Annie Yang, M.D.
NPI 1396001228 · Rheumatology Physician · Fredericksburg, VA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Annie Yang, M.D. is a Rheumatology Physician provider in Fredericksburg, VA (NPI 1396001228).
Provider details
- NPI number
- 1396001228
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 263092 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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 tenure25% of score
14 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
99 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 High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 34 | $131 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 31 | $167 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 21 | $95 |
| 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 | 13 | $16 |
Typical Medicare-allowed amounts for these services range $16–$167 (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 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Methotrexate Sodiumbrand: Methotrexate | 202 | 62 |
| Hydroxychloroquine Sulfate | 105 | 32 |
| Prednisone | 92 | 54 |
| Celecoxib | 89 | 41 |
| Leucovorin Calcium | 45 | 15 |
| Allopurinol | 35 | — |
| Adalimumabbrand: Humira(cf) Pen | 34 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$678 across 20 records (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)
- 550 First AvenueNew York, NY 10016-1001Phone: (212) 263-2868
Registry dates
- Enumerated
- 2012-04-04
- Last updated
- 2026-03-25
- Certified
- 2026-03-25
Frequently asked questions
- What is Annie Yang's NPI number?
- Annie Yang's National Provider Identifier (NPI) is 1396001228, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Annie Yang's specialty?
- Annie Yang is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Annie Yang located?
- Annie Yang's practice location on file with NPPES is 10432 Patriot Hwy, Fredericksburg, VA 22408-2628.
- What is Annie Yang's phone number?
- The practice phone number listed in the NPPES registry for Annie Yang is (540) 707-7074.
- Does Annie Yang accept Medicare?
- Annie Yang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Annie Yang's NPI active?
- Yes — Annie Yang's NPI (1396001228) is active in the NPPES registry as of the last update on 2026-03-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.