William Acker, MD
NPI 1487947362 · Orthopaedic Surgery Physician · Southfield, MI
Enrolled with Medicare as Practitioner - Orthopedic Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Provider details
- NPI number
- 1487947362
- Entity type
- Individual
- Primary specialty
- Orthopaedic Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 4301098266 (MI)
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
15 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
11 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
326 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) |
|---|---|---|
| X-Ray of Shoulder, Minimum of 2 Views73030 | 85 | $34 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 71 | $91 |
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 70 | $73 |
| X-Ray of Knee, 4 Or More Views73564 | 39 | $45 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 31 | $128 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 |
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 |
|---|---|---|
| Meloxicam | 122 | 67 |
| Celecoxib | 93 | 39 |
| Methocarbamol | 59 | 32 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 35 | 29 |
| Ondansetron Hcl | 28 | 26 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 27 | 18 |
| Cephalexin | 26 | 21 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$3,916 across 37 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 (10)
- 17877 W 14 Mile RdBeverly Hills, MI 48025-3127Phone: (248) 644-3920Fax: (844) 598-9632
- 24255 W 13 Mile Rd Ste 100Bingham Farms, MI 48025-4345Phone: (248) 988-8085Fax: (844) 598-9635
- 26750 Providence Pkwy Ste 220Novi, MI 48374-1212Phone: (248) 596-0412Fax: (833) 471-5849
- 30575 Woodward AveRoyal Oak, MI 48073-0980Phone: (248) 280-8550Fax: (844) 266-0093
- 45816 Schoenherr RdShelby Twp, MI 48315-6028Phone: (248) 596-0412Fax: (833) 471-5849
- 10000 Telegraph Rd Ste 100Taylor, MI 48180-3330Phone: (313) 887-6000Fax: (313) 887-6005
- 1350 Kirts Blvd Ste 160Troy, MI 48084-4852Phone: (248) 244-9426Fax: (844) 607-0511
- 4550 Investment Dr Ste 100Troy, MI 48098-6334
Registry dates
- Enumerated
- 2011-05-25
- Last updated
- 2026-04-21
- Certified
- 2026-04-21
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.