Meghan Greenfield, M.D.
NPI 1841581576 · Rheumatology Physician · Seattle, WA
Enrolled with Medicare as Practitioner - Rheumatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Meghan Greenfield, M.D. is a Rheumatology Physician provider in Seattle, WA (NPI 1841581576).
Provider details
- NPI number
- 1841581576
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- MD60497788 (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
15 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
879 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) |
|---|---|---|
| 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 | 332 | $17 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 304 | $138 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 69 | $197 |
| Complete Ultrasound Scan of Joint76881 | 52 | $55 |
| Online Digital Evaluation and Management Service for an Established Patient for Up to 7 Days, Total Time 5-10 Minutes99421 | 50 | $16 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 23 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Methotrexate Sodiumbrand: Methotrexate | 590 | 110 |
| Prednisone | 433 | 121 |
| Hydroxychloroquine Sulfate | 364 | 87 |
| Alendronate Sodium | 81 | 29 |
| Allopurinol | 77 | 15 |
| Folic Acid | 75 | 26 |
| Sulfasalazine | 51 | 15 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2011-04-28
- Last updated
- 2021-05-25
- Certified
- 2021-05-25
Frequently asked questions
- What is Meghan Greenfield's NPI number?
- Meghan Greenfield's National Provider Identifier (NPI) is 1841581576, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Meghan Greenfield's specialty?
- Meghan Greenfield is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Meghan Greenfield located?
- Meghan Greenfield's practice location on file with NPPES is 515 Minor Ave, Seattle, WA 98104-2120.
- What is Meghan Greenfield's phone number?
- The practice phone number listed in the NPPES registry for Meghan Greenfield is (206) 386-9500.
- Does Meghan Greenfield accept Medicare?
- Meghan Greenfield is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Meghan Greenfield's NPI active?
- Yes — Meghan Greenfield's NPI (1841581576) is active in the NPPES registry as of the last update on 2021-05-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.