Physician Profile
Unclaimed ProfileAbout ARMSTRONG
Grayson Wilkes Armstrong, M.D., MPH is a healthcare provider in Boston, MA specializing in ophthalmology. According to Medicare claims data, Grayson cared for 425 Medicare patients across 472 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) 523-7900
- Email not available
Practice Locations
243 CHARLES ST
Boston, MA 02114
Procedures Most Often Billed to Medicare
472 services · 425 patients · 15 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Complex removal of cataract with insertion of prosthetic lens | Procedure | 66982 |
20 |
| Injection of drug into eye | Procedure | 67028 |
18 |
| Imaging of retina | Treatment | 92134 |
77 |
| Imaging of retina | Treatment | 92134 |
66 |
| Established patient complete exam of visual system | Treatment | 92014 |
34 |
| Measurement of corneal curvature and depth of eye | Treatment | 92136 |
31 |
| Ct scan of cornea | Treatment | 92025 |
30 |
| Established patient complete exam of visual system | Treatment | 92014 |
30 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
46 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
31 |
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.
Other ophthalmology specialists at this location 8
Same specialty, same street address — most likely the same department or group.
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.
More connections — 29 related providers in 4 groups
Other ophthalmology specialists in Boston 5
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2015 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Complex removal of cataract with insertion of prosthetic lens 8
Providers in MA who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Armstrong?
Dr. Armstrong is an ophthalmology in Boston, MA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “OPHTHALMOLOGY”.
NPI registry
What is Dr. Armstrong's address?
Dr. Armstrong is listed at 243 CHARLES ST, Boston, MA 02114. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Armstrong?
The number on file is (617) 523-7900. 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 1205213972. 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 train?
Dr. Armstrong attended Other, graduating in 2015. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Armstrong been practicing?
Dr. Armstrong has 11 years experience. Calculated from a graduation year of 2015, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Armstrong perform?
According to Medicare billing data, Dr. Armstrong performs procedures including complex removal of cataract with insertion of prosthetic lens and injection of drug into eye; provides treatments such as imaging of retina and established patient complete exam of visual system, alongside routine visits and testing. 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.