Greg Nelson, M.D.
NPI 1558496950 · Specialist · Van Nuys, CA
Enrolled with Medicare as Practitioner - Dermatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Greg Nelson, M.D. is a Specialist provider in Van Nuys, CA (NPI 1558496950).
Provider details
- NPI number
- 1558496950
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G67260 (CA)
Specialties & taxonomies
Other Service Providers
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
3,300 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) |
|---|---|---|
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 952 | $24 |
| Destruction of Precancer Skin Growth, 2-14 Growths17003 | 635 | $8 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 485 | $99 |
| Biopsy of Related Skin Growth, First Growth11102 | 251 | $108 |
| Destruction of Precancer Skin Growth, 1 Growth17000 | 236 | $64 |
| Biopsy of Related Skin Growth, Each Additional Growth11103 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 18 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ketoconazole | 216 | 86 |
| Mometasone Furoate | 80 | 55 |
| Clobetasol Propionate | 58 | 24 |
| Clindamycin Phosphate | 56 | 20 |
| Fluocinonide | 52 | 26 |
| Mupirocin | 39 | 24 |
| Triamcinolone Acetonide | 33 | 22 |
| Betamethasone Dipropionate | 32 | 18 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$245 across 7 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
- 2007-02-23
- Last updated
- 2007-07-09
Frequently asked questions
- What is Greg Nelson's NPI number?
- Greg Nelson's National Provider Identifier (NPI) is 1558496950, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Greg Nelson's specialty?
- Greg Nelson is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is Greg Nelson located?
- Greg Nelson's practice location on file with NPPES is 15243 Vanowen St, Van Nuys, CA 91405-3605.
- What is Greg Nelson's phone number?
- The practice phone number listed in the NPPES registry for Greg Nelson is (818) 785-8707.
- Does Greg Nelson accept Medicare?
- Greg Nelson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Greg Nelson's NPI active?
- Yes — Greg Nelson's NPI (1558496950) is active in the NPPES registry as of the last update on 2007-07-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.