Physician Profile
Unclaimed ProfileAbout Dr. Cohen
Based in Harrisburg, PA, Mark B Cohen, O.D. is listed in the NPI registry under optometry. Mark graduated from New England College of Optometry in 1981. Mark is also listed as specializing in optometrist. According to Medicare claims data, Mark cared for 50 Medicare patients across 50 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
- (717) 657-3682
- Email not available
Practice Locations
4854 LONDONDERRY RD
Harrisburg, PA 17109
Procedures Most Often Billed to Medicare
50 services · 50 patients · 2 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
37 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
13 |
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 optometry specialists at this location 3
Same specialty, same street address — most likely the same department or group.
Also at this address 1
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other optometry specialists in Harrisburg 8
Same specialty, same city.
More connections — 16 related providers in 2 groups
Trained at New England College of Optometry 8
Other providers in the same specialty who trained at the same institution.
Class of 1981 at New England College of Optometry 8
Providers who graduated from the same medical school in the same year.
Common questions
What is Dr. Cohen's specialty?
Dr. Cohen is an optometry in Harrisburg, PA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “OPTOMETRY”.
NPI registry
Where can I find Dr. Cohen?
Dr. Cohen is listed at 4854 LONDONDERRY RD, Harrisburg, PA 17109. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Cohen?
The number on file is (717) 657-3682. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Cohen's NPI number?
Dr. Cohen's National Provider Identifier is 1649266602. 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
What is Dr. Cohen's medical education?
Dr. Cohen attended New England College of Optometry, graduating in 1981. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Cohen been practicing?
Dr. Cohen has 45 years experience. Calculated from a graduation year of 1981, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Cohen known for?
According to Medicare billing data, Dr. Cohen 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. Cohen confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Cohen. 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.