MR. JAMES S. GAMMIE M.D.
NPI 1699705483
Specialist in Baltimore, MD
About Mr. James S. Gammie M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. JAMES S. GAMMIE M.D. (NPI 1699705483) is an individual specialist in Baltimore, Maryland, licensed in Maryland (D0058455) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Johns Hopkins Hospital, The, and is a graduate of University Of Massachusetts Medical School (1990).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Mr. James S. Gammie M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show James Gammie reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Baltimore, MD 21201
- Reassigned Medicare billing, District of Columbia and Maryland enrollments
- 65 clinicians in this Medicare group
Baltimore, MD 21287
- Reassigned Medicare billing, Maryland enrollment
- 4,483 clinicians in this Medicare group
Baltimore, MD 21287
- Reassigned Medicare billing, District of Columbia enrollment
- 19 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.
Areas of Expertise CMS Part B claims 7
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Johns Hopkins Hospital, The
Acute Care Hospitals · Baltimore, MDUniversity Of MD St Joseph Medical Center
Acute Care Hospitals · Towson, MDOther Providers at the Same Location NPPES 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BALTIMORE, MD 21201
BALTIMORE, MD 21201
BALTIMORE, MD 21201
BALTIMORE, MD 21201
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 James Gammie's NPI number?
The NPI number for James Gammie is 1699705483. It was assigned to this individual provider in the NPPES registry on July 4, 2006.
Where is James Gammie located?
James Gammie practices at 110 S. Paca Street 7th Floor, Baltimore, MD 21201. The listed phone number is (410) 328-5842.
What is James Gammie's specialty?
The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.
Is James Gammie enrolled in Medicare?
Yes. James Gammie is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for James Gammie's services?
According to the CMS Revalidation Reassignment List (October 2026 release), James Gammie reassigns Medicare benefits to 3 organizations: University Of Maryland Surgical Associates, PA (Baltimore, MD), Johns Hopkins University (Baltimore, MD) and Johns Hopkins University (Baltimore, 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 James Gammie's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is James Gammie affiliated with any hospitals?
According to CMS data, James Gammie is affiliated with Johns Hopkins Hospital, The and University Of MD St Joseph Medical Center.
When was this NPI record last updated?
The NPPES record for James Gammie was last updated on November 7, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.
# Mr. James S. Gammie, M.D. · NPI 1699705483
Specialist provider in Baltimore, Maryland. Individual provider, active in the CMS NPPES registry since July 4, 2006.
## Identity
- **NPI:** 1699705483 (Entity type: Individual)
- **Enumerated:** July 4, 2006
- **Primary specialty:** Specialist · taxonomy 174400000X
- **State license:** D0058455 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 110 S. PACA STREET, 7TH FLOOR, Baltimore, MD 21201
- **Phone:** (410) 328-5842 · **Fax:** (410) 328-2750
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): University Of Maryland Surgical Associates, PA (NPI 1962417634, Baltimore, MD); Johns Hopkins University (NPI 1295731966, Baltimore, MD); Johns Hopkins University (NPI 1780665315, Baltimore, MD) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Massachusetts Medical School, class of 1990
## Record status
- **NPPES last updated:** November 7, 2013
- **Other identifiers:** Medicare UPIN G96585 (MD)
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Source: [NPI Profile](https://npiprofile.com/npi/1699705483) · Data from the CMS NPPES public registry.