Physician Profile
James S. Gammie, M.D.
Unclaimed ProfileAbout Dr. Gammie
Listed in the NPI registry as a specialist, James S. Gammie, M.D. practices in Baltimore, MD. James graduated from University of Massachusetts Medical School in 1990. Medicare claims data shows James provided 214 services to 212 patients. The services billed most often include new patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more, repair of mitral valve with artificial valve on heart-lung machine, and established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (410) 328-5842
- Email not available
Practice Locations
110 S. PACA STREET 7TH FLOOR
Baltimore, MD 21201
Procedures Most Often Billed to Medicare
214 services · 212 patients · 7 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Repair of mitral valve with artificial valve on heart-lung machine | Procedure | 33426 |
28 | Too few peers to compare |
| Repair of tricuspid valve with ring insertion | Procedure | 33464 |
22 | Too few peers to compare |
| Replacement of mitral valve on heart-lung machine | Procedure | 33430 |
22 | Too few peers to compare |
| Radical reconstruction of mitral valve on heart-lung machine | Procedure | 33427 |
18 | Too few peers to compare |
| Extensive destruction and reconstruction of right upper heart chamber on heart-lung machine | Procedure | 33259 |
13 | Too few peers to compare |
| New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more | Office visit | 99205 |
85 | More often than most peers in Specialist |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
26 | Less often than most peers in Specialist |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other specialists in Baltimore 8
Same specialty, same city.
Trained at University of Massachusetts Medical School 8
Other providers in the same specialty who trained at the same institution.
More connections — 8 related providers in 1 group
Class of 1990 at University of Massachusetts Medical School 8
Providers who graduated from the same medical school in the same year.
Common questions
What does James S. Gammie specialize in?
James S. Gammie is a specialist in Baltimore, MD. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is James S. Gammie located?
James S. Gammie is listed at 110 S. Paca Street 7Th Floor, Baltimore, MD 21201. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is James S. Gammie's phone number?
The number on file is (410) 328-5842. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for James S. Gammie?
James S. Gammie's National Provider Identifier is 1699705483. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did James S. Gammie train?
James S. Gammie attended University of Massachusetts Medical School, graduating in 1990. This comes from the CMS National Downloadable File.
CMS public data
How much experience does James S. Gammie have?
James S. Gammie has 36 years experience. Calculated from a graduation year of 1990, reported in the CMS National Downloadable File.
CMS public data
What does James S. Gammie do most often?
According to Medicare billing data, James S. Gammie performs procedures including repair of mitral valve with artificial valve on heart-lung machine, repair of tricuspid valve with ring insertion and replacement of mitral valve on heart-lung machine, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is James S. Gammie's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by James S. Gammie. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.