Karmela Chan, M.D.
NPI 1407053572 · Rheumatology Physician · New York, NY
Enrolled with Medicare as Practitioner - Rheumatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karmela Chan, M.D. is a Rheumatology Physician provider in New York, NY (NPI 1407053572).
Provider details
- NPI number
- 1407053572
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 232929 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
18 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
366 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 148 | $140 |
| 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 | 120 | $18 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 38 | $101 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 25 | $194 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 24 | $245 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydroxychloroquine Sulfate | 210 | 51 |
| Prednisone | 151 | 42 |
| Methotrexate Sodiumbrand: Methotrexate | 132 | 34 |
| Etanerceptbrand: Enbrel Sureclick | 40 | — |
| Allopurinol | 33 | — |
| Gabapentin | 28 | — |
| Leflunomide | 21 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-07-02
- Last updated
- 2021-01-25
- Certified
- 2021-01-25
Frequently asked questions
- What is Karmela Chan's NPI number?
- Karmela Chan's National Provider Identifier (NPI) is 1407053572, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karmela Chan's specialty?
- Karmela Chan is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Karmela Chan located?
- Karmela Chan's practice location on file with NPPES is 535 E 70th St, New York, NY 10021-4823.
- What is Karmela Chan's phone number?
- The practice phone number listed in the NPPES registry for Karmela Chan is (203) 705-0715.
- Does Karmela Chan accept Medicare?
- Karmela Chan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karmela Chan's NPI active?
- Yes — Karmela Chan's NPI (1407053572) is active in the NPPES registry as of the last update on 2021-01-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.