Blake Williams, M.D., CAQSM
NPI 1164764684 · Family Medicine Physician · Great Barrington, MA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Blake Williams, M.D., CAQSM is a Family Medicine Physician provider in Great Barrington, MA (NPI 1164764684).
Provider details
- NPI number
- 1164764684
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D., CAQSM
- Sex
- Male
- Sole proprietor
- Yes
- License
- 272651 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
13 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 102 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 553 | 174 |
| Amlodipine Besylate | 256 | 83 |
| Levothyroxine Sodium | 253 | 75 |
| Rosuvastatin Calcium | 190 | 61 |
| Gabapentin | 170 | 55 |
| Losartan Potassium | 163 | 48 |
| Metoprolol Succinate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2013-03-22
- Last updated
- 2018-05-14
Frequently asked questions
- What is Blake Williams's NPI number?
- Blake Williams's National Provider Identifier (NPI) is 1164764684, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Blake Williams's specialty?
- Blake Williams is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Blake Williams located?
- Blake Williams's practice location on file with NPPES is 780 Main St Ste 102, Great Barrington, MA 01230.
- What is Blake Williams's phone number?
- The practice phone number listed in the NPPES registry for Blake Williams is (413) 528-8643.
- Does Blake Williams accept Medicare?
- Blake Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Blake Williams's NPI active?
- Yes — Blake Williams's NPI (1164764684) is active in the NPPES registry as of the last update on 2018-05-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.