Holly Dahlman, M.D.
NPI 1962464552 · Internal Medicine Physician · Lutherville, MD
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Holly Dahlman, M.D. is a Internal Medicine Physician provider in Lutherville, MD (NPI 1962464552).
Provider details
- NPI number
- 1962464552
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- D0054653 (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
20 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
2,791 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 Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 918 | $95 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 377 | $9 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 306 | $135 |
| Admn Sarscov2 Vacc 1 Dose90480 | 289 | $45 |
| Administration of Influenza Virus VaccineG0008 | 235 | $34 |
| Telephone Medical Discussion With Physician, 11-20 Minutes99442 | 117 | $80 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 82 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 542 | 145 |
| Rosuvastatin Calcium | 391 | 107 |
| Amlodipine Besylate | 296 | 92 |
| Lisinopril | 196 | 54 |
| Metoprolol Succinate | 145 | 39 |
| Valsartan | 134 | 38 |
| Levothyroxine Sodium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-04-06
- Last updated
- 2008-04-15
Frequently asked questions
- What is Holly Dahlman's NPI number?
- Holly Dahlman's National Provider Identifier (NPI) is 1962464552, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Holly Dahlman's specialty?
- Holly Dahlman is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Holly Dahlman located?
- Holly Dahlman's practice location on file with NPPES is 2360 W Joppa Rd, Lutherville, MD 21093-4624.
- What is Holly Dahlman's phone number?
- The practice phone number listed in the NPPES registry for Holly Dahlman is (410) 583-2890.
- Does Holly Dahlman accept Medicare?
- Holly Dahlman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Holly Dahlman's NPI active?
- Yes — Holly Dahlman's NPI (1962464552) is active in the NPPES registry as of the last update on 2008-04-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.