Donna Williams, D.O.
NPI 1447321849 · Family Medicine Physician · Orland Park, IL
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Donna Williams, D.O. is a Family Medicine Physician provider in Orland Park, IL (NPI 1447321849).
Provider details
- NPI number
- 1447321849
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Female
- Sole proprietor
- No
- License
- 036116955 (IL)
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
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
406 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 | 187 | $129 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 99 | $9 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 58 | $131 |
| Administration of Influenza Virus VaccineG0008 | 20 | $34 |
| Hemoglobin A1c Level83036 | 15 | $10 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 14 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 97 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 406 | 117 |
| Amlodipine Besylate | 326 | 95 |
| Losartan Potassium | 226 | 66 |
| Levothyroxine Sodium | 199 | 48 |
| Metformin Hcl | 140 | 46 |
| Gabapentin | 127 | 36 |
| Metoprolol Succinate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$18 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
Registry dates
- Enumerated
- 2006-11-10
- Last updated
- 2021-12-21
- Certified
- 2021-12-21
Frequently asked questions
- What is Donna Williams's NPI number?
- Donna Williams's National Provider Identifier (NPI) is 1447321849, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Donna Williams's specialty?
- Donna Williams is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Donna Williams located?
- Donna Williams's practice location on file with NPPES is 9550 W 167th St, Orland Park, IL 60467-5561.
- What is Donna Williams's phone number?
- The practice phone number listed in the NPPES registry for Donna Williams is (708) 870-2620.
- Does Donna Williams accept Medicare?
- Donna Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Donna Williams's NPI active?
- Yes — Donna Williams's NPI (1447321849) is active in the NPPES registry as of the last update on 2021-12-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.