Diane Abel Williams, PA C
NPI 1245208230 · Physician Assistant · Milford, MI
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Diane Abel Williams, PA C is a Physician Assistant provider in Milford, MI (NPI 1245208230).
Provider details
- NPI number
- 1245208230
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA C
- Sex
- Female
- Sole proprietor
- No
- License
- 5601002254 (MI)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
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
326 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 | 142 | $82 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 70 | $56 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 52 | $110 |
| 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 | 45 | $14 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 17 | $123 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 30 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rosuvastatin Calcium | 81 | 39 |
| Atorvastatin Calcium | 71 | 33 |
| Lisinopril | 69 | 31 |
| Amlodipine Besylate | 65 | 33 |
| Levothyroxine Sodium | 63 | 31 |
| Methylprednisolone | 58 | 55 |
| Losartan Potassium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-03-08
- Last updated
- 2010-03-08
Frequently asked questions
- What is Diane Abel Williams's NPI number?
- Diane Abel Williams's National Provider Identifier (NPI) is 1245208230, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diane Abel Williams's specialty?
- Diane Abel Williams is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Diane Abel Williams located?
- Diane Abel Williams's practice location on file with NPPES is 1265 N Milford Rd, Milford, MI 48381.
- What is Diane Abel Williams's phone number?
- The practice phone number listed in the NPPES registry for Diane Abel Williams is (248) 685-3600.
- Does Diane Abel Williams accept Medicare?
- Diane Abel Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Diane Abel Williams's NPI active?
- Yes — Diane Abel Williams's NPI (1245208230) is active in the NPPES registry as of the last update on 2010-03-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.