Fred Shahan, MD
NPI 1811913221 · Dermatology Physician · San Diego, CA
Enrolled with Medicare as Practitioner - Dermatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Fred Shahan, MD is a Dermatology Physician provider in San Diego, CA (NPI 1811913221).
Provider details
- NPI number
- 1811913221
- Entity type
- Individual
- Primary specialty
- Dermatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G83901 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 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
10,565 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 | 2,539 | $7 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 1,336 | $91 |
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 1,026 | $35 |
| Destruction of Precancer Skin Growth, 1 Growth17000 | 694 | $64 |
| Removal and Microscopic Exam of Growth of Head, Neck, Hands, Feet, Or Genitals, Each Additional Stage, 1-5 Tissue Blocks17312 | 684 | $426 |
| Biopsy of Related Skin Growth, First Growth |
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 |
|---|---|---|
| Ketoconazole | 226 | 105 |
| Clobetasol Propionate | 196 | 105 |
| Triamcinolone Acetonide | 189 | 142 |
| Fluocinonide | 114 | 68 |
| Cephalexin | 110 | 92 |
| Gentamicin Sulfate | 94 | 76 |
| Mupirocin | 92 | 77 |
| Doxycycline Monohydrate | 81 | 33 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$3,598 across 80 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
- 2006-07-15
- Last updated
- 2010-12-27
Frequently asked questions
- What is Fred Shahan's NPI number?
- Fred Shahan's National Provider Identifier (NPI) is 1811913221, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Fred Shahan's specialty?
- Fred Shahan is listed in the NPPES registry with a primary specialty of Dermatology Physician (Allopathic & Osteopathic Physicians).
- Where is Fred Shahan located?
- Fred Shahan's practice location on file with NPPES is 6367 Alvarado Ct, San Diego, CA 92120-4904.
- What is Fred Shahan's phone number?
- The practice phone number listed in the NPPES registry for Fred Shahan is (619) 287-1882.
- Does Fred Shahan accept Medicare?
- Fred Shahan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Fred Shahan's NPI active?
- Yes — Fred Shahan's NPI (1811913221) is active in the NPPES registry as of the last update on 2010-12-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.