Chuck Yadmark, MD
NPI 1891803029 · Internal Medicine Physician · Livonia, MI
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Chuck Yadmark, MD is a Internal Medicine Physician provider in Livonia, MI (NPI 1891803029).
Provider details
- NPI number
- 1891803029
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- CY063359 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 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
305 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 185 | $89 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 38 | $111 |
| Detection Test By Immunoassay Technique for Severe Acute Respiratory Syndrome Coronavirus and Influenza87428 | 32 | $67 |
| Automated Urinalysis Test81003 | 27 | $2 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 23 | $128 |
Typical Medicare-allowed amounts for these services range $2–$128 (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 · 38 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 101 | 97 |
| Azithromycin | 80 | 73 |
| Cephalexin | 55 | 54 |
| Zolpidem Tartrate | 40 | — |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 38 | 36 |
| Amlodipine Besylate | 32 | 11 |
| Atorvastatin Calcium | 30 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-28
- Last updated
- 2023-10-17
- Certified
- 2023-10-12
Frequently asked questions
- What is Chuck Yadmark's NPI number?
- Chuck Yadmark's National Provider Identifier (NPI) is 1891803029, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Chuck Yadmark's specialty?
- Chuck Yadmark is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Chuck Yadmark located?
- Chuck Yadmark's practice location on file with NPPES is 31610 Plymouth Rd, Livonia, MI 48150-1930.
- What is Chuck Yadmark's phone number?
- The practice phone number listed in the NPPES registry for Chuck Yadmark is (734) 421-2840.
- Does Chuck Yadmark accept Medicare?
- Chuck Yadmark is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Chuck Yadmark's NPI active?
- Yes — Chuck Yadmark's NPI (1891803029) is active in the NPPES registry as of the last update on 2023-10-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.