Tanya Greywal, MD
NPI 1043664600 · Dermatology Physician · Seattle, WA
Enrolled with Medicare as Practitioner - Dermatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tanya Greywal, MD is a Dermatology Physician provider in Seattle, WA (NPI 1043664600).
Provider details
- NPI number
- 1043664600
- Entity type
- Individual
- Primary specialty
- Dermatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- MD61170622 (WA)
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
10 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
1,092 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 | 331 | $4 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 157 | $80 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 134 | $119 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 118 | $18 |
| Destruction of Precancer Skin Growth, 1 Growth17000 | 112 | $57 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ketoconazole | 159 | 75 |
| Clindamycin Phosphate | 38 | 16 |
| Triamcinolone Acetonide | 35 | 24 |
| Metronidazole | 28 | 17 |
| Mupirocin | 26 | 19 |
| Tacrolimus | 26 | 13 |
| Fluocinonide | 22 | 14 |
| Hydrocortisone | 20 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2016-04-20
- Last updated
- 2021-10-27
- Certified
- 2021-10-27
Frequently asked questions
- What is Tanya Greywal's NPI number?
- Tanya Greywal's National Provider Identifier (NPI) is 1043664600, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tanya Greywal's specialty?
- Tanya Greywal is listed in the NPPES registry with a primary specialty of Dermatology Physician (Allopathic & Osteopathic Physicians).
- Where is Tanya Greywal located?
- Tanya Greywal's practice location on file with NPPES is 1959 Ne Pacific St., Seattle, WA 98195-0001.
- What is Tanya Greywal's phone number?
- The practice phone number listed in the NPPES registry for Tanya Greywal is (206) 520-5000.
- Does Tanya Greywal accept Medicare?
- Tanya Greywal is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tanya Greywal's NPI active?
- Yes — Tanya Greywal's NPI (1043664600) is active in the NPPES registry as of the last update on 2021-10-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.