Michael Van Williams
NPI 1164153516 · Family Nurse Practitioner · Saratoga Springs, NY
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Van Williams is a Family Nurse Practitioner provider in Saratoga Springs, NY (NPI 1164153516).
Provider details
- NPI number
- 1164153516
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Male
- Sole proprietor
- Yes
- License
- RN57571 (RI)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
4 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
407 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 | 152 | $78 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 99 | $100 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 44 | $112 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 33 | $97 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 25 | $145 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rosuvastatin Calcium | 34 | 16 |
| Atorvastatin Calcium | 33 | 19 |
| Trazodone Hcl | 25 | 16 |
| Amlodipine Besylate | 16 | — |
| Lisinopril | 16 | — |
| Furosemide | 15 | — |
| Levothyroxine Sodium | 14 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$88 across 4 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 (1)
- 90 Ter Heun DrFalmouth, MA 02540-2533Phone: (508) 495-8300Fax: (508) 495-8315
Registry dates
- Enumerated
- 2022-06-17
- Last updated
- 2025-02-24
- Certified
- 2025-02-24
Frequently asked questions
- What is Michael Van Williams's NPI number?
- Michael Van Williams's National Provider Identifier (NPI) is 1164153516, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Van Williams's specialty?
- Michael Van Williams is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Michael Van Williams located?
- Michael Van Williams's practice location on file with NPPES is 211 Church St, Saratoga Springs, NY 12866-1090.
- What is Michael Van Williams's phone number?
- The practice phone number listed in the NPPES registry for Michael Van Williams is (518) 587-3222.
- Does Michael Van Williams accept Medicare?
- Michael Van Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Van Williams's NPI active?
- Yes — Michael Van Williams's NPI (1164153516) is active in the NPPES registry as of the last update on 2025-02-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.