Hilary Don, MD
NPI 1255499273 · Internal Medicine Physician · Baltimore, MD
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Hilary Don, MD is a Internal Medicine Physician provider in Baltimore, MD (NPI 1255499273).
Provider details
- NPI number
- 1255499273
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- D0035102 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
2,235 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) |
|---|---|---|
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 445 | $104 |
| Residence Visit for Established Patient With High Level of Medical Decision Making, Per Day, If Using Time, at Least 60 Minutes99350 | 410 | $176 |
| Residence Visit for Established Patient With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99349 | 357 | $122 |
| Complex Chronic Care Management Services for Two Or More Chronic Conditions, First 60 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99487 | 287 | $131 |
| Physician Or Allowed Practitioner Re-Certification for Medicare-Covered Home Health Services Under a Home Health Plan of Care (patient Not Present), Including Contacts With Home Health Agency and Review of Reports of Patient Status Required By Physicians aG0179 | 136 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 144 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 407 | 90 |
| Amlodipine Besylate | 405 | 89 |
| Furosemide | 253 | 58 |
| Apixabanbrand: Eliquis | 229 | 48 |
| Gabapentin | 190 | 43 |
| Metformin Hcl | 190 | 35 |
| Levothyroxine Sodium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-12-04
- Last updated
- 2014-08-18
Frequently asked questions
- What is Hilary Don's NPI number?
- Hilary Don's National Provider Identifier (NPI) is 1255499273, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hilary Don's specialty?
- Hilary Don is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Hilary Don located?
- Hilary Don's practice location on file with NPPES is 201 East University Parkway, Baltimore, MD 21218.
- What is Hilary Don's phone number?
- The practice phone number listed in the NPPES registry for Hilary Don is (410) 464-6238.
- Does Hilary Don accept Medicare?
- Hilary Don is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Hilary Don's NPI active?
- Yes — Hilary Don's NPI (1255499273) is active in the NPPES registry as of the last update on 2014-08-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.