Christine Matijasic, D.O.
NPI 1164485868 · Rheumatology Physician · New York, NY
Enrolled with Medicare as Practitioner - Rheumatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christine Matijasic, D.O. is a Rheumatology Physician provider in New York, NY (NPI 1164485868).
Provider details
- NPI number
- 1164485868
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Female
- Sole proprietor
- No
- License
- 235273 (NY)
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
20 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
111 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 43 | $63 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 38 | $91 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 19 | $133 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 11 | $79 |
Typical Medicare-allowed amounts for these services range $63–$133 (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 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 156 | 59 |
| Methotrexate Sodiumbrand: Methotrexate | 145 | 50 |
| Adalimumabbrand: Humira(cf) Pen | 76 | 11 |
| Hydroxychloroquine Sulfate | 73 | 31 |
| Etanerceptbrand: Enbrel Sureclick | 45 | — |
| Secukinumabbrand: Cosentyx Sensoready Pen | 35 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-04-11
- Last updated
- 2011-10-11
Frequently asked questions
- What is Christine Matijasic's NPI number?
- Christine Matijasic's National Provider Identifier (NPI) is 1164485868, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christine Matijasic's specialty?
- Christine Matijasic is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Christine Matijasic located?
- Christine Matijasic's practice location on file with NPPES is 800 2nd Ave, New York, NY 10017-4709.
- What is Christine Matijasic's phone number?
- The practice phone number listed in the NPPES registry for Christine Matijasic is (212) 475-7766.
- Does Christine Matijasic accept Medicare?
- Christine Matijasic is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Christine Matijasic's NPI active?
- Yes — Christine Matijasic's NPI (1164485868) is active in the NPPES registry as of the last update on 2011-10-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.