William Sulaka, MD
NPI 1639309131 · Internal Medicine Physician · Troy, MI
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Sulaka, MD is a Internal Medicine Physician provider in Troy, MI (NPI 1639309131).
Provider details
- NPI number
- 1639309131
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 4301095182 (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
16 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
1,307 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 430 | $91 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 292 | $129 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 278 | $130 |
| Administration of Influenza Virus VaccineG0008 | 90 | $29 |
| Admn Sarscov2 Vacc 1 Dose90480 | 51 | $44 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 149 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 816 | 218 |
| Amlodipine Besylate | 500 | 131 |
| Rosuvastatin Calcium | 419 | 121 |
| Losartan Potassium | 385 | 99 |
| Levothyroxine Sodium | 333 | 93 |
| Omeprazole | 329 | 102 |
| Alprazolam |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$216 across 13 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
- 2009-07-17
- Last updated
- 2026-01-27
- Certified
- 2026-01-27
Frequently asked questions
- What is William Sulaka's NPI number?
- William Sulaka's National Provider Identifier (NPI) is 1639309131, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Sulaka's specialty?
- William Sulaka is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Sulaka located?
- William Sulaka's practice location on file with NPPES is 3290 W Big Beaver Rd Ste 420, Troy, MI 48084-2931.
- What is William Sulaka's phone number?
- The practice phone number listed in the NPPES registry for William Sulaka is (248) 649-9700.
- Does William Sulaka accept Medicare?
- William Sulaka is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Sulaka's NPI active?
- Yes — William Sulaka's NPI (1639309131) is active in the NPPES registry as of the last update on 2026-01-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.