Michael Heffernan, MD
NPI 1518923432 · Dermatology Physician · San Luis Obispo, CA
Enrolled with Medicare as Practitioner - Dermatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Heffernan, MD is a Dermatology Physician provider in San Luis Obispo, CA (NPI 1518923432).
Provider details
- NPI number
- 1518923432
- Entity type
- Individual
- Primary specialty
- Dermatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 35074557 (OH)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
33,021 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 | 19,104 | $7 |
| Destruction of Precancer Skin Growth, 1 Growth17000 | 2,940 | $50 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 2,637 | $136 |
| Destruction of Skin Growth, 1-14 Growths17110 | 1,965 | $120 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 1,356 | $97 |
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 32 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ketoconazole | 420 | 214 |
| Fluorouracil | 418 | 353 |
| Triamcinolone Acetonide | 276 | 175 |
| Hydrocortisone | 186 | 154 |
| Doxycycline Hyclate | 186 | 131 |
| Betamethasone/Propylene Glycbrand: Betamethasone Diprop Augmented | 168 | 98 |
| Clobetasol Propionate | 147 | 70 |
| Mupirocin |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$13,213 across 69 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-04-21
- Last updated
- 2014-10-13
Frequently asked questions
- What is Michael Heffernan's NPI number?
- Michael Heffernan's National Provider Identifier (NPI) is 1518923432, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Heffernan's specialty?
- Michael Heffernan is listed in the NPPES registry with a primary specialty of Dermatology Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Heffernan located?
- Michael Heffernan's practice location on file with NPPES is 15 Santa Rosa St, San Luis Obispo, CA 93405-1811.
- What is Michael Heffernan's phone number?
- The practice phone number listed in the NPPES registry for Michael Heffernan is (805) 541-2650.
- Does Michael Heffernan accept Medicare?
- Michael Heffernan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Heffernan's NPI active?
- Yes — Michael Heffernan's NPI (1518923432) is active in the NPPES registry as of the last update on 2014-10-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.