Zachary Bay
NPI 1568801397 · Family Medicine Physician · Worcester, MA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Zachary Bay is a Family Medicine Physician provider in Worcester, MA (NPI 1568801397).
Provider details
- NPI number
- 1568801397
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- 270700 (MA)
Specialties & taxonomies
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
4 documented practice locations
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 · 90 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 293 | 60 |
| Lisinopril | 234 | 39 |
| Amlodipine Besylate | 187 | 36 |
| Gabapentin | 178 | 29 |
| Bictegrav/Emtricit/Tenofov Alabrand: Biktarvy | 148 | 15 |
| Losartan Potassium | 148 | 26 |
| Omeprazole |
Practice location
Mailing address
Additional practice locations (3)
- 354 Waverley StFramingham, MA 01702-7079Phone: (508) 532-7318Fax: (508) 595-1190
- 1 General StLawrence, MA 01841-2961Phone: (978) 683-4000
- 42 Cape RdMilford, MA 01757-3292Phone: (800) 853-2288Fax: (508) 634-3747
Registry dates
- Enumerated
- 2013-06-14
- Last updated
- 2022-07-21
Frequently asked questions
- What is Zachary Bay's NPI number?
- Zachary Bay's National Provider Identifier (NPI) is 1568801397, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Zachary Bay's specialty?
- Zachary Bay is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Zachary Bay located?
- Zachary Bay's practice location on file with NPPES is 19 Tacoma St, Worcester, MA 01605-3516.
- What is Zachary Bay's phone number?
- The practice phone number listed in the NPPES registry for Zachary Bay is (508) 852-1805.
- Does Zachary Bay accept Medicare?
- Zachary Bay is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Zachary Bay's NPI active?
- Yes — Zachary Bay's NPI (1568801397) is active in the NPPES registry as of the last update on 2022-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.