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Dr. Stephanie D. Martinez Hawthorne

MD·Gastroenterology

5301 E GRANT RD, Tucson, AZ 85712

Medicare Accepted
28+ Years Experience

Contact Dr. Martinez Hawthorne

(520) 324-4230Get Directions

5301 E GRANT RD, Tucson, AZ 85712

For Providers

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Specialty

Gastroenterologists

Coverage

Medicare + 7 Networks

Telehealth

Not Available

About Dr. Stephanie D. Martinez Hawthorne

Background and practice information

Dr. Stephanie D. Martinez Hawthorne is a gastroenterologist with over 28 years of clinical experience serving patients in the Tucson, AZ area. She completed her medical training at University Of Colorado School Of Medicine, Denver and has been in practice since 1998. She currently practices at Tmc Medical Network.

Dr. Stephanie D. Martinez Hawthorne's clinical practice focuses on treating patients with acid reflux and stomach ulcers, as well as performing upper GI endoscopy, colonoscopy procedures for colorectal screening and diagnosis. In addition to gastroenterology, she also specializes in internal medicine.

Dr. Stephanie D. Martinez Hawthorne has received a strong quality rating of 87.8 out of 100 from Medicare's quality assessment program, reflecting a commitment to evidence-based care. Dr. Stephanie D. Martinez Hawthorne is in-network with 7 insurance providers, including Aetna, Cigna, Humana, and 4 more. Patients are encouraged to verify coverage with her office before scheduling an appointment.

Additional specialties: Internal Medicine

At a Glance

GenderFemale
Experience28+ years
MedicareAccepted
TelehealthNot available

Education

Medical SchoolUniversity Of Colorado School Of Medicine, Denver
Graduated1998

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Practice Locations

2 locations

Tmc Medical Network

Primary

5301 E Grant Rd

Tucson, AZ 85712

(520) 324-4230

Banner Physician Specialists Arizona Llc

7701 W Aspera Blvd

Glendale, AZ 85308

(623) 248-2100

Treatment & Experience

Clinical practice and procedure experience for Dr. Stephanie D. Martinez Hawthorne

Dr. Stephanie Martinez Hawthorne is an experienced gastroenterologist in Tucson, AZ with a demonstrated track record in upper GI endoscopy. Based on verified procedure data reported to the Centers for Medicare & Medicaid Services (CMS), Dr. Martinez Hawthorne has significant surgical experience across multiple procedures.

Upper gastrointestinal (GI) endoscopy for acid reflux

212Top 9%

Dr. Martinez Hawthorne has performed 212 upper GI endoscopy (EGD) procedures for acid reflux and digestive evaluation, placing among the top 9% of surgeons nationwide for this procedure. This exceptionally high volume of experience is a meaningful indicator when choosing a gastroenterologist in Tucson, AZ, as medical research has consistently linked higher procedure volumes with improved patient outcomes and lower complication rates.

Colonoscopy

40Top 37%

Dr. Martinez Hawthorne has performed 40 colonoscopy procedures for colorectal screening and diagnosis. This procedure volume places Dr. Martinez Hawthorne above average among providers performing this surgery.

Services & Procedures

Dr. Stephanie D. Martinez Hawthorne's clinical practice encompasses office visits, hospital care, diagnostic imaging, and 2 other areas of care.

Office Visits

84 services

Dr. Stephanie D. Martinez Hawthorne provides patient consultations ranging from routine follow-ups to comprehensive evaluations, including new patient visit and follow-up visit. Medicare patients typically pay significantly less than the standard charge for these services, with Medicare-approved rates averaging 73% below the billed amount.

Hospital Care

182 services

Dr. Stephanie D. Martinez Hawthorne manages inpatient hospital care including admissions, daily rounds, critical care, and discharge coordination, including daily hospital rounds and hospital admission. Medicare patients typically pay significantly less than the standard charge for these services, with Medicare-approved rates averaging 72% below the billed amount.

Diagnostic Imaging

13 services

Dr. Stephanie D. Martinez Hawthorne utilizes diagnostic imaging to evaluate and monitor patient conditions, with ultrasound guided needle aspiration or biopsy of esophagus using a flexible endoscope being a key part of her practice. Medicare patients typically pay significantly less than the standard charge for these services, with Medicare-approved rates averaging 73% below the billed amount.

Surgical Procedures

77 services

Dr. Stephanie D. Martinez Hawthorne performs surgical procedures, including biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope, removal of stone or debris from bile or pancreatic duct using a flexible endoscope, and other related services. Medicare patients typically pay significantly less than the standard charge for these services, with Medicare-approved rates averaging 84% below the billed amount.

Endoscopy

94 services

Dr. Stephanie D. Martinez Hawthorne performs endoscopic procedures for diagnosis and treatment, including diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope, review by radiologist of image from tube placement into bile duct using an endoscope, and other related services. Medicare patients typically pay significantly less than the standard charge for these services, with Medicare-approved rates averaging 72% below the billed amount.

Treatment Approach

Dr. Stephanie D. Martinez Hawthorne's treatment approach includes prescribing Pantoprazole Sodium, Peg3350/sod Sulf,bicarb,cl/kcl (Gavilyte-g), Omeprazole for her patients. These medications are commonly used for treating acid reflux and stomach ulcers.

Pantoprazole Sodium— for acid reflux and stomach ulcers
Omeprazole— for acid reflux and stomach ulcers

Source: CMS Medicare Provider Utilization and Payment Data, 2023.

Insurance Networks

Accepted insurance plans and networks

Dr. Stephanie D. Martinez Hawthorne accepts 55 plans from 7 insurers, including Cigna, Aetna, UnitedHealthcare.

Az Localflex Excl Ebh And Pathwell
Az Localflex Incl Ebh And Pathwell
Az Localflex Incl Ebh Excl Pathwell
Healthpartners Qualified Network
Localplus
Localplus Exclude Ebh With Pathwell
Localplus Sar
Localplus With Ebh Plus Pathwell
Mvp Mohawk Valley Physicians
National OapOAP
National PpoPPO
National Ppo Sar 1PPO
National Ppo Sar IiPPO
Oap Shared Admin RepricingOAP
Pathwell OapOAP
Pathwell PpoPPO
Phoenix Az Connect
Priority Health Alliance

Source: CMS Transparency in Coverage filings (March 2026). Network participation may change — verify with the provider's office before scheduling.

Quality & Safety

CMS quality performance and patient safety measures

88

High Performing

CMS Quality Score · Out of 100

Dr. Martinez Hawthorne received a quality score of 87.8 out of 100 from the Centers for Medicare & Medicaid Services (CMS), which evaluates gastroenterologists on clinical quality, patient safety, and use of health information technology. A score above 75 is considered high-performing by CMS standards. This score reflects Dr. Martinez Hawthorne's commitment to maintaining strong standards of care for patients in Tucson, AZ.

61.2

Cost Efficiency

61.2/100

Evaluates how efficiently healthcare resources are used while maintaining quality

99.0

Health IT Adoption

99.0/100

Measures adoption of electronic health records and patient access to health information

40.0

Care Improvement

40.0/40

Reflects participation in activities that improve clinical practice and patient engagement

Source: CMS Merit-based Incentive Payment System

Financial Transparency

Industry payment disclosures

Pharmaceutical and medical device companies disclosed $22 in payments to Dr. Stephanie D. Martinez Hawthorne in 2024, primarily from Olympus America Inc. for food and beverage. These disclosures are required by federal law under the Physician Payments Sunshine Act.

Top Paying Companies

Olympus America Inc.$22
Food and Beverage: $22

Source: CMS Open Payments, 2024.

Patient Reviews

Reviews and ratings from patients

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About Gastroenterology

Specialty overview and common conditions

A gastroenterologist is a physician who specializes in diagnosing, treating, and preventing diseases of the gastrointestinal (GI) tract and liver. These medical experts have extensive training in managing conditions affecting the esophagus, stomach, small intestine, colon, rectum, pancreas, gallblad...

Common conditions treated by gastroenterology specialists:

  • Gastroesophageal Reflux Disease (GERD)
  • Irritable Bowel Syndrome (IBS)
  • Crohn's Disease
  • Ulcerative Colitis
Learn more about gastroenterology specialists

Frequently Asked Questions

Common questions about Stephanie D. Martinez Hawthorne

Does Dr. Martinez Hawthorne accept Medicare?

Yes, Dr. Martinez Hawthorne accepts Medicare assignment. Patients with Medicare coverage can see Dr. Martinez Hawthorne and typically pay less out of pocket when using a provider who accepts Medicare assignment.

What insurance does Dr. Martinez Hawthorne accept?

Dr. Martinez Hawthorne is in-network with 7 insurance providers, including Aetna, Cigna, Humana, Medicare, Oxford Health Plans (UHC), and 2 more. Insurance networks can change, so patients should verify their specific plan coverage directly with Dr. Martinez Hawthorne's office before scheduling.

Does Dr. Martinez Hawthorne offer telehealth or virtual appointments?

Dr. Martinez Hawthorne does not currently list telehealth services. For virtual care options, contact the office directly or consider other gastroenterology providers in Tucson who offer telehealth.

What conditions does Dr. Martinez Hawthorne treat?

As a gastroenterology specialist, Dr. Martinez Hawthorne commonly treats conditions including gastroesophageal reflux disease (gerd), irritable bowel syndrome (ibs), crohn's disease, ulcerative colitis, colon polyps and colorectal cancer screening, and other related health concerns. Contact the office to discuss your specific healthcare needs.

What medications does Dr. Martinez Hawthorne commonly prescribe?

Based on Medicare prescribing data, Dr. Martinez Hawthorne commonly prescribes medications including Pantoprazole Sodium, Peg3350/Sod Sulf,bicarb,cl/Kcl, Omeprazole. The specific medications prescribed depend on each patient's individual diagnosis and health needs. Patients should discuss treatment options directly with Dr. Martinez Hawthorne during their consultation.

What is Dr. Martinez Hawthorne's quality rating?

Dr. Martinez Hawthorne has received a strong quality score of 87.8 out of 100 from the Centers for Medicare & Medicaid Services (CMS) through the Merit-based Incentive Payment System (MIPS). This score reflects performance across quality measures, promoting interoperability, improvement activities, and cost efficiency.

Where did Dr. Martinez Hawthorne go to medical school?

Dr. Martinez Hawthorne completed medical training at University Of Colorado School Of Medicine, Denver and has been practicing since 1998, bringing over 28 years of clinical experience.

Where is Dr. Martinez Hawthorne's office located?

Dr. Martinez Hawthorne practices at 5301 E GRANT RD, Tucson, AZ 85712 at TMC MEDICAL NETWORK. You can reach the office by calling (520) 324-4230.

How do I make an appointment with Dr. Martinez Hawthorne?

To schedule an appointment with Dr. Martinez Hawthorne, call the office at (520) 324-4230. New patients should have their insurance information and medical records ready when calling.

Data source: CMS National Provider Registry ·

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Medical Disclaimer: This content is for informational purposes only and is not a substitute for professional medical advice. Learn more about our editorial standards

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