John Baer, M.D.
NPI 1013984848 · Ophthalmology Physician · Baltimore, MD
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Baer, M.D. is a Ophthalmology Physician provider in Baltimore, MD (NPI 1013984848).
Provider details
- NPI number
- 1013984848
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD418865 (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
85 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Complete Exam of Visual System92014 | 34 | $118 |
| Photography of the Retina92250 | 32 | $35 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 19 | $121 |
Typical Medicare-allowed amounts for these services range $35–$121 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 241 | 108 |
| Bimatoprostbrand: Lumigan | 66 | 24 |
| Dorzolamide Hcl | 64 | 30 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 60 | 30 |
| Timolol Maleate | 53 | 22 |
| Travoprost | 47 | 20 |
| Brimonidine Tartrate | 30 | — |
| Prednisolone Acetate |
Practice location
Mailing address
Additional practice locations (1)
- 250 E Walnut StHanover, PA 17331-2534Phone: (717) 632-6063Fax: (717) 632-8337
Registry dates
- Enumerated
- 2006-03-01
- Last updated
- 2024-12-12
- Certified
- 2024-12-12
Frequently asked questions
- What is John Baer's NPI number?
- John Baer's National Provider Identifier (NPI) is 1013984848, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Baer's specialty?
- John Baer is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is John Baer located?
- John Baer's practice location on file with NPPES is 600 N Wolfe St, Baltimore, MD 21287-0005.
- What is John Baer's phone number?
- The practice phone number listed in the NPPES registry for John Baer is (410) 955-5000.
- Does John Baer accept Medicare?
- John Baer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Baer's NPI active?
- Yes — John Baer's NPI (1013984848) is active in the NPPES registry as of the last update on 2024-12-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.