ERNEST MARSHALL GRAHAM M.D.
NPI 1144272907
Obstetrics & Gynecology in Baltimore, MD
About Ernest Marshall Graham M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ERNEST MARSHALL GRAHAM M.D. (NPI 1144272907) is an individual obstetrics & gynecology provider in Baltimore, Maryland, licensed in Maryland (D54187) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with Johns Hopkins Hospital, The, and is a graduate of University Of Mississippi School Of Medicine (1987).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Ernest Marshall Graham M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
5Medicare enrollment records show Ernest Graham reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Baltimore, MD 21287
- Reassigned Medicare billing, Maryland enrollment
- 4,483 clinicians in this Medicare group
Baltimore, MD 21215
- Reassigned Medicare billing, Maryland enrollment
- 664 clinicians in this Medicare group
Baltimore, MD 21224
- Reassigned Medicare billing, Maryland enrollment
- Medicare enrollment name: Baltimore Medical System, Inc.
- 243 clinicians in this Medicare group
Towson, MD 21204
- Reassigned Medicare billing, Maryland enrollment
- 501 clinicians in this Medicare group
Perryville, MD 21903
- Reassigned Medicare billing, Maryland enrollment
- 512 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Johns Hopkins Hospital, The
Acute Care Hospitals · Baltimore, MDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 21287 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BALTIMORE, MD 21287
BALTIMORE, MD 21287
BALTIMORE, MD 21287
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Ernest Graham's NPI number?
The NPI number for Ernest Graham is 1144272907. It was assigned to this individual provider in the NPPES registry on May 17, 2006.
Where is Ernest Graham located?
Ernest Graham practices at 601 N Caroline St, Baltimore, MD 21287. The listed phone number is (410) 955-6700.
What is Ernest Graham's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Ernest Graham enrolled in Medicare?
Yes. Ernest Graham is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Ernest Graham's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ernest Graham reassigns Medicare benefits to 5 organizations: Johns Hopkins University (Baltimore, MD), Sinai Hospital Of Baltimore Inc (Baltimore, MD), Baltimore Medical Systems, Inc. (Baltimore, MD), University Of Maryland St. Joseph Medical Group, LLC (Towson, MD) and Union Hospital Of Cecil County, Inc (Perryville, MD). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Ernest Graham's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ernest Graham accept?
Health plans from Highmark Blue Cross Blue Shield Delaware list Ernest Graham as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Ernest Graham affiliated with any hospitals?
According to CMS data, Ernest Graham is affiliated with Johns Hopkins Hospital, The.
When was this NPI record last updated?
The NPPES record for Ernest Graham was last updated on February 3, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Ernest Marshall Graham, M.D. · NPI 1144272907
Obstetrics & Gynecology physician in Baltimore, Maryland. Individual provider, active in the CMS NPPES registry since May 17, 2006.
## Identity
- **NPI:** 1144272907 (Entity type: Individual)
- **Enumerated:** May 17, 2006
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** D54187 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 601 N CAROLINE ST, Baltimore, MD 21287-0006
- **Phone:** (410) 955-6700
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 5 organizations under Medicare reassignment (form CMS-855R): Johns Hopkins University (NPI 1295731966, Baltimore, MD); Sinai Hospital Of Baltimore Inc (NPI 1437174059, Baltimore, MD); Baltimore Medical Systems, Inc. (NPI 1164138152, Baltimore, MD); University Of Maryland St. Joseph Medical Group, LLC (NPI 1053816074, Towson, MD); Union Hospital Of Cecil County, Inc (NPI 1639920648, Perryville, MD) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Mississippi School Of Medicine, class of 1987
## Record status
- **NPPES last updated:** February 3, 2012
- **Other identifiers:** Medicare ID-Type Unspecified H775469X (MD); Medicare UPIN E81208 (MD); Medicaid 300109100 (MD)
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Source: [NPI Profile](https://npiprofile.com/npi/1144272907) · Data from the CMS NPPES public registry.