Margrit Wiesendanger, M.D., PH.D.
NPI 1922200245 · Rheumatology Physician · New York, NY
Enrolled with Medicare as Practitioner - Rheumatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Margrit Wiesendanger, M.D., PH.D. is a Rheumatology Physician provider in New York, NY (NPI 1922200245).
Provider details
- NPI number
- 1922200245
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D., PH.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 222037 (NY)
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
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
257 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 207 | $105 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 50 | $144 |
Typical Medicare-allowed amounts for these services range $105–$144 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 45 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Methotrexate Sodiumbrand: Methotrexate | 235 | 47 |
| Prednisone | 228 | 58 |
| Hydroxychloroquine Sulfate | 218 | 51 |
| Gabapentin | 116 | 40 |
| Pregabalin | 93 | 20 |
| Colchicine | 84 | 23 |
| Diclofenac Sodium | 74 | 25 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$35 across 1 record (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
Additional practice locations (1)
- 234 E 85th StNew York, NY 10028-3001Phone: (212) 241-1671
Registry dates
- Enumerated
- 2007-05-31
- Last updated
- 2019-03-11
Frequently asked questions
- What is Margrit Wiesendanger's NPI number?
- Margrit Wiesendanger's National Provider Identifier (NPI) is 1922200245, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margrit Wiesendanger's specialty?
- Margrit Wiesendanger is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Margrit Wiesendanger located?
- Margrit Wiesendanger's practice location on file with NPPES is 5 E 98th St, New York, NY 10029-6501.
- What is Margrit Wiesendanger's phone number?
- The practice phone number listed in the NPPES registry for Margrit Wiesendanger is (212) 241-1671.
- Does Margrit Wiesendanger accept Medicare?
- Margrit Wiesendanger is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Margrit Wiesendanger's NPI active?
- Yes — Margrit Wiesendanger's NPI (1922200245) is active in the NPPES registry as of the last update on 2019-03-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.