For Providers
Manage This ProfileSpecialty
Gastroenterologists
Coverage
Medicare (Case by Case) + 8 Networks
Telehealth
Not Available
About Dr. Michael E. Blam
Background and practice information
Dr. Michael E. Blam is a gastroenterologist with over 31 years of clinical experience serving patients in the Downey, CA area. He completed his medical training at Washington University School Of Medicine and has been in practice since 1995. He currently practices at Gastro-digestive Medical Group.
Dr. Michael E. Blam's clinical practice focuses on treating patients with acid reflux and stomach ulcers, irritable bowel syndrome, heartburn and acid reflux, as well as performing upper GI endoscopy, colonoscopy procedures for colorectal screening and diagnosis. In addition to gastroenterology, he also specializes in internal medicine.
Dr. Michael E. Blam is in-network with 8 insurance providers, including Aetna, Blue Shield of California, Cigna, and 5 more. Patients are encouraged to verify coverage with his office before scheduling an appointment.
Additional specialties: Internal Medicine
At a Glance
Education
Are you Dr. Blam?
Update your photo, bio, contact info, and accepting-new-patients status. Earn the “Verified” badge.
Claim this profilePractice Locations
1 location
Gastro-Digestive Medical Group
Primary11480 Brookshire Ave
Downey, CA 90241
(562) 862-3656
Treatment & Experience
Clinical practice and procedure experience for Dr. Michael E. Blam
Dr. Michael Blam is an experienced gastroenterologist in Downey, CA with a demonstrated track record in upper GI endoscopy. Based on verified procedure data reported to the Centers for Medicare & Medicaid Services (CMS), Dr. Blam has significant surgical experience across multiple procedures.
Upper gastrointestinal (GI) endoscopy for acid reflux
Dr. Blam has performed 189 upper GI endoscopy (EGD) procedures for acid reflux and digestive evaluation, placing among the top 11% of surgeons nationwide for this procedure. This very high volume of experience is a meaningful indicator when choosing a gastroenterologist in Downey, CA, as medical research has consistently linked higher procedure volumes with improved patient outcomes and lower complication rates.
Colonoscopy
Dr. Blam has performed 68 colonoscopy procedures for colorectal screening and diagnosis, placing among the top 24% of surgeons nationwide for this procedure. This very high volume of experience is a meaningful indicator when choosing a colonoscopy doctor in Downey, CA, as medical research has consistently linked higher procedure volumes with improved patient outcomes and lower complication rates.
Services & Procedures
Dr. Michael E. Blam's clinical practice encompasses office visits, hospital care, surgical procedures, and 1 other areas of care. Based on Medicare utilization data, Dr. Michael E. Blam has provided a substantial volume of services, reflecting an active and established practice in gastroenterology.
Office Visits
55 servicesDr. Michael E. Blam 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 60% below the billed amount.
Hospital Care
1,031 servicesDr. Michael E. Blam 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 66% below the billed amount.
Surgical Procedures
130 servicesDr. Michael E. Blam performs surgical procedures, including biopsy of large bowel using a flexible endoscope and biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope. Medicare patients typically pay significantly less than the standard charge for these services, with Medicare-approved rates averaging 87% below the billed amount.
Endoscopy
79 servicesDr. Michael E. Blam performs endoscopic procedures for diagnosis and treatment, including diagnostic exam of large bowel using a flexible endoscope and diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope and insertion of stomach tube using a flexible endoscope. Medicare patients typically pay significantly less than the standard charge for these services, with Medicare-approved rates averaging 85% below the billed amount.
Treatment Approach
Dr. Michael E. Blam's treatment approach includes prescribing Peg3350/sod Sulf,bicarb,cl/kcl (Gavilyte-g), Sodium, Potassium,mag Sulfates (Sod Sulf-potass Sulf-mag Sulf), Pantoprazole Sodium for his patients. These medications are commonly used for treating acid reflux and stomach ulcers, irritable bowel syndrome. He prescribing profile reflects experience across a wide range of treatments, addressing multiple aspects of patient care within his specialty. Dr. Michael E. Blam has treated a significant number of Medicare patients, demonstrating an established practice in this area.
Source: CMS Medicare Provider Utilization and Payment Data, 2023.
Insurance Networks
Accepted insurance plans and networks
Dr. Michael E. Blam accepts 47 plans from 8 insurers, including Cigna, UnitedHealthcare, Aetna.
Source: CMS Transparency in Coverage filings (March 2026). Network participation may change — verify with the provider's office before scheduling.
Financial Transparency
Industry payment disclosures
Pharmaceutical and medical device companies disclosed $99 in payments to Dr. Michael E. Blam in 2024, primarily from Merck Sharp & Dohme LLC for food and beverage. These disclosures are required by federal law under the Physician Payments Sunshine Act.
Top Paying Companies
Source: CMS Open Payments, 2024.
Patient Reviews
Reviews and ratings from patients
Loading reviews...
Is This Your Practice?
This profile appears in 8 insurance networks
- Update your photo, bio, and contact info
- Mark whether you’re accepting new patients
- Earn the “Verified” badge
Starter $29 one-time. Professional from $59/mo unlocks review responses, office hours, photo gallery, and more.
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
Frequently Asked Questions
Common questions about Michael E. Blam
Does Dr. Blam accept Medicare?
Dr. Blam may accept Medicare assignment on a case-by-case basis. This means Medicare coverage may apply for some services. Patients should contact the office directly to confirm Medicare acceptance for their specific visit.
What insurance does Dr. Blam accept?
Dr. Blam is in-network with 8 insurance providers, including Aetna, Blue Shield of California, Cigna, L.A. Care Health Plan, Medicare, and 3 more. Insurance networks can change, so patients should verify their specific plan coverage directly with Dr. Blam's office before scheduling.
Does Dr. Blam offer telehealth or virtual appointments?
Dr. Blam does not currently list telehealth services. For virtual care options, contact the office directly or consider other gastroenterology providers in Downey who offer telehealth.
What conditions does Dr. Blam treat?
As a gastroenterology specialist, Dr. Blam 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. Blam commonly prescribe?
Based on Medicare prescribing data, Dr. Blam commonly prescribes medications including Peg3350/Sod Sulf,bicarb,cl/Kcl, Sodium, Potassium,mag Sulfates, Pantoprazole Sodium. The specific medications prescribed depend on each patient's individual diagnosis and health needs. Patients should discuss treatment options directly with Dr. Blam during their consultation.
Where did Dr. Blam go to medical school?
Dr. Blam completed medical training at Washington University School Of Medicine and has been practicing since 1995, bringing over 31 years of clinical experience.
Where is Dr. Blam's office located?
Dr. Blam practices at 11480 BROOKSHIRE AVE, Downey, CA 90241 at GASTRO-DIGESTIVE MEDICAL GROUP. You can reach the office by calling (562) 862-3656.
How do I make an appointment with Dr. Blam?
To schedule an appointment with Dr. Blam, call the office at (562) 862-3656. New patients should have their insurance information and medical records ready when calling.
Data source: CMS National Provider Registry ·
Other Gastroenterologists Nearby
Explore more providers in Downey, CA
Dr. Hemant Pande, MD
Gastroenterology · < 1 mi away
11480 Brookshire Ave, Downey, CA
(562) 862-3656
Dr. Kevin Dholaria, MD
Gastroenterology · < 1 mi away
11500 Brookshire Ave, Downey, CA
(562) 904-5000
Dr. Amol Koldhekar, MD
Gastroenterology · < 1 mi away
11500 Brookshire Ave, Downey, CA
(562) 904-5000
Dr. Sushil Ojha, MD
Gastroenterology · < 1 mi away
11480 Brookshire Ave, Downey, CA
(562) 862-3656
Dr. Ashwin Ashok, MD
Gastroenterology · < 1 mi away
11500 Brookshire Ave, Downey, CA
(562) 904-5000
Dr. Harold Sussewell, MD
Gastroenterology · 1 mi away
9333 Imperial Hwy, Downey, CA
(800) 923-4040
Find Gastroenterologists in Nearby Cities
Browse gastroenterologists providers in surrounding areas
Medical Disclaimer: This content is for informational purposes only and is not a substitute for professional medical advice. Learn more about our editorial standards