Gregg Mullens, PHARM.D.; D.D.S.
NPI 1003812538 · Pharmacist · Greenfield, MA
Enrolled with Medicare as Order and Referring Only - Oral Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregg Mullens, PHARM.D.; D.D.S. is a Pharmacist provider in Greenfield, MA (NPI 1003812538).
Provider details
- NPI number
- 1003812538
- Entity type
- Individual
- Primary specialty
- PharmacistPharmacy Service Providers
- Credential
- PHARM.D.; D.D.S.
- Sex
- Male
- License
- 15868 (MA)
Specialties & taxonomies
Pharmacy Service Providers
Dental Providers
Dental Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
21 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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-06-21
- Last updated
- 2025-09-11
Frequently asked questions
- What is Gregg Mullens's NPI number?
- Gregg Mullens's National Provider Identifier (NPI) is 1003812538, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregg Mullens's specialty?
- Gregg Mullens is listed in the NPPES registry with a primary specialty of Pharmacist (Pharmacy Service Providers).
- Where is Gregg Mullens located?
- Gregg Mullens's practice location on file with NPPES is 40 School St, Greenfield, MA 01301-2436.
- What is Gregg Mullens's phone number?
- The practice phone number listed in the NPPES registry for Gregg Mullens is (413) 773-7766.
- Does Gregg Mullens accept Medicare?
- Gregg Mullens is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregg Mullens's NPI active?
- Yes — Gregg Mullens's NPI (1003812538) is active in the NPPES registry as of the last update on 2025-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.