# Gregory L Walker, MD

Source: https://ourhealthnetwork.com/doctor/gregory-walker-md-1366508301
NPI: 1366508301
Data source: CMS NPI Registry (DAC), refreshed monthly

## Quick facts

Gregory L Walker, MD is a internal medicine based in Baltimore, MD with NPI 1366508301.

## Profile

- Primary specialty: Internal Medicine
- Credential: MD
- Gender: Male
- Medical school: UNIVERSITY OF MARYLAND SCHOOL OF MEDICINE
- Graduation year: 1978
- NPI: 1366508301 ([NPPES record](https://npiregistry.cms.hhs.gov/provider-view/1366508301))

## Practice and contact

- Address: 3300 N Calvert St, Suite 540, Baltimore, MD, 212182820
- Phone: (410) 235-8852

## Insurance accepted (7 networks)

This provider is in network with the following insurance carriers, based on federal Transparency in Coverage filings and FHIR provider directories:

- [Cigna](https://ourhealthnetwork.com/insurance/cigna) — 17 plans
- [Highmark BCBS Delaware](https://ourhealthnetwork.com/insurance/highmark-bcbs-delaware) — 11 plans
- [Aetna](https://ourhealthnetwork.com/insurance/aetna) — 7 plans
- [Highmark BCBS WV](https://ourhealthnetwork.com/insurance/highmark-bcbs-wv) — 6 plans
- [CareFirst BCBS](https://ourhealthnetwork.com/insurance/carefirst-bcbs) — 4 plans
- [Highmark BCBS Pennsylvania](https://ourhealthnetwork.com/insurance/highmark-bcbs-pennsylvania) — 1 plan
- [Medicare](https://ourhealthnetwork.com/insurance/medicare) — 1 plan

To verify a specific plan covers Gregory L Walker, use the [OurHealthNetwork Insurance Matcher](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1366508301).

## Industry payments disclosure (CMS Open Payments)

Per CMS Open Payments data (most recent year 2024), this provider has received 92 disclosed payments from medical industry sources totaling approximately $2,528.

Largest disclosed payer: AstraZeneca Pharmaceuticals LP ($663 cumulative).

Source: CMS Open Payments program (federal financial-transparency dataset). Industry payment disclosures do not imply any wrongdoing; many are legitimate consulting fees, research support, or speaker honoraria.

## Related on OurHealthNetwork

- [More Internal Medicine doctors in BALTIMORE, MD](https://ourhealthnetwork.com/internal-medicine/md/baltimore)
- [Find insurance plans that cover this doctor](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1366508301)
- [Browse all 5.5M US healthcare providers](https://ourhealthnetwork.com/find-doctors)
- [About our data and methodology](https://ourhealthnetwork.com/methodology)