Physician Profile
Unclaimed ProfileAbout ARMSTRONG
James M. Armstrong, P.A. is a physician assistant based in Boston, MA. James is a 1992 graduate of Yale University School of Medicine. James is also listed as specializing in physician assistant — medical. According to Medicare claims data, James cared for 323 Medicare patients across 389 services.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (617) 562-7868
- Email not available
Practice Locations
736 CAMBRIDGE STREET DIVISION OF CARDIOVASCULAR MEDICINE
Boston, MA 02135
Procedures Most Often Billed to Medicare
389 services · 323 patients · 4 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
283 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
64 |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
24 |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
18 |
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.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
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 physician assistants in Boston 8
Same specialty, same city.
More connections — 16 related providers in 2 groups
Trained at Yale University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1992 at Yale University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Common questions
What does Dr. Armstrong specialize in?
Dr. Armstrong is a physician assistant in Boston, MA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “PHYSICIAN ASSISTANT”.
NPI registry
Where is Dr. Armstrong located?
Dr. Armstrong is listed at 736 CAMBRIDGE STREET DIVISION OF CARDIOVASCULAR MEDICINE, Boston, MA 02135. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Armstrong's phone number?
The number on file is (617) 562-7868. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Armstrong's NPI number?
Dr. Armstrong's National Provider Identifier is 1568645182. 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 Dr. Armstrong go to medical school?
Dr. Armstrong attended Yale University School of Medicine, graduating in 1992. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Armstrong been practicing?
Dr. Armstrong has 34 years experience. Calculated from a graduation year of 1992, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Armstrong do most often?
According to Medicare billing data, Dr. Armstrong the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Armstrong confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Armstrong. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.