Joanna Harp, M.D.
NPI 1780919746 · Dermatology Physician · San Francisco, CA
Enrolled with Medicare as Practitioner - Dermatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joanna Harp, M.D. is a Dermatology Physician provider in San Francisco, CA (NPI 1780919746).
Provider details
- NPI number
- 1780919746
- Entity type
- Individual
- Primary specialty
- Dermatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- A111420 (CA)
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
16 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
2,554 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) |
|---|---|---|
| Destruction of Precancer Skin Growth, 2-14 Growths17003 | 517 | $8 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 489 | $107 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 474 | $150 |
| Destruction of Precancer Skin Growth, 1 Growth17000 | 248 | $67 |
| Destruction of Skin Growth, 1-14 Growths17110 | 151 | $136 |
| Injection Into Skin Growth, 1-7 Growths11900 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 28 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Clobetasol Propionate | 149 | 88 |
| Triamcinolone Acetonide | 141 | 79 |
| Ketoconazole | 112 | 64 |
| Prednisone | 76 | 18 |
| Fluocinonide | 76 | 42 |
| Mupirocin | 66 | 28 |
| Minoxidil | 65 | 23 |
| Gabapentin | 54 |
Practice location
Mailing address
Additional practice locations (1)
- 425 East 61st Street4th FloorNew York, NY 10065Phone: (646) 962-3376
Registry dates
- Enumerated
- 2009-10-08
- Last updated
- 2025-09-08
- Certified
- 2025-09-08
Frequently asked questions
- What is Joanna Harp's NPI number?
- Joanna Harp's National Provider Identifier (NPI) is 1780919746, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joanna Harp's specialty?
- Joanna Harp is listed in the NPPES registry with a primary specialty of Dermatology Physician (Allopathic & Osteopathic Physicians).
- Where is Joanna Harp located?
- Joanna Harp's practice location on file with NPPES is 1701 Divisadero St, San Francisco, CA 94115-3011.
- What is Joanna Harp's phone number?
- The practice phone number listed in the NPPES registry for Joanna Harp is (415) 353-7800.
- Does Joanna Harp accept Medicare?
- Joanna Harp is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joanna Harp's NPI active?
- Yes — Joanna Harp's NPI (1780919746) is active in the NPPES registry as of the last update on 2025-09-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.