Donica Baker, MD, FACR
NPI 1356751176 · Rheumatology Physician · Chesterfield, MO
Enrolled with Medicare as Practitioner - Rheumatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Donica Baker, MD, FACR is a Rheumatology Physician provider in Chesterfield, MO (NPI 1356751176).
Provider details
- NPI number
- 1356751176
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, FACR
- Sex
- Female
- Sole proprietor
- Yes
- License
- 2019001299 (MO)
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
12 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,109 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) |
|---|---|---|
| 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 | 475 | $16 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 464 | $123 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 71 | $161 |
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 58 | $68 |
| Telephone Medical Discussion With Physician, 21-30 Minutes99443 | 41 | $123 |
Typical Medicare-allowed amounts for these services range $16–$161 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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 · 24 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydroxychloroquine Sulfate | 430 | 156 |
| Methotrexate Sodiumbrand: Methotrexate | 270 | 79 |
| Prednisone | 259 | 81 |
| Allopurinol | 177 | 44 |
| Leflunomide | 153 | 49 |
| Folic Acid | 78 | 28 |
| Mycophenolate Mofetil | 74 | 23 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,968 across 88 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
Registry dates
- Enumerated
- 2014-05-01
- Last updated
- 2023-06-06
- Certified
- 2023-06-06
Frequently asked questions
- What is Donica Baker's NPI number?
- Donica Baker's National Provider Identifier (NPI) is 1356751176, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Donica Baker's specialty?
- Donica Baker is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Donica Baker located?
- Donica Baker's practice location on file with NPPES is 222 S Woods Mill Rd Ste 750, Chesterfield, MO 63017-3625.
- What is Donica Baker's phone number?
- The practice phone number listed in the NPPES registry for Donica Baker is (314) 205-6600.
- Does Donica Baker accept Medicare?
- Donica Baker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Donica Baker's NPI active?
- Yes — Donica Baker's NPI (1356751176) is active in the NPPES registry as of the last update on 2023-06-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.