Zachary Williams, M.D.
NPI 1134372584 · Internal Medicine Physician · Rochester, NY
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Zachary Williams, M.D. is a Internal Medicine Physician provider in Rochester, NY (NPI 1134372584).
Provider details
- NPI number
- 1134372584
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 258290 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
17 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
5,477 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) |
|---|---|---|
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 969 | $65 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 600 | $8 |
| Evaluation of Single, Dual, Multiple Lead Or Leadless Pacemaker System Or Implantable Defibrillator System, Remote Up to 90 Days93296 | 424 | $20 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 419 | $122 |
| Evaluation of Single, Dual, Multiple Lead Or Leadless Pacemaker System, Remote Up to 90 Days93294 | 416 | $28 |
| Evaluation of Cardiac Rhythm Monitor System, Remote Up to 30 Days |
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 |
|---|---|---|
| Apixabanbrand: Eliquis | 196 | 63 |
| Metoprolol Succinate | 165 | 57 |
| Atorvastatin Calcium | 152 | 59 |
| Amlodipine Besylate | 151 | 62 |
| Carvedilol | 127 | 57 |
| Losartan Potassium | 95 | 45 |
| Metoprolol Tartrate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$286 across 7 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 (2)
- 7700 E Florentine Rd Ste 206Prescott Valley, AZ 86314-2245Phone: (928) 442-8117Fax: (928) 772-8947
- 4600 Memorial Dr Ste W1Belleville, IL 62226-5359Phone: (618) 233-3066Fax: (618) 233-3180
Registry dates
- Enumerated
- 2008-10-29
- Last updated
- 2026-04-02
- Certified
- 2026-04-02
Frequently asked questions
- What is Zachary Williams's NPI number?
- Zachary Williams's National Provider Identifier (NPI) is 1134372584, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Zachary Williams's specialty?
- Zachary Williams is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Zachary Williams located?
- Zachary Williams's practice location on file with NPPES is 310 Exchange Blvd Apt 330, Rochester, NY 14608-2780.
- What is Zachary Williams's phone number?
- The practice phone number listed in the NPPES registry for Zachary Williams is (801) 455-4581.
- Does Zachary Williams accept Medicare?
- Zachary Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Zachary Williams's NPI active?
- Yes — Zachary Williams's NPI (1134372584) is active in the NPPES registry as of the last update on 2026-04-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.