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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

DR. GREGG KENT MULLENS PHARM.D.; D.D.S.
NPI 1003812538
Pharmacist in Greenfield, MA

Active since June 21, 2005PECOS Enrolled
40 SCHOOL ST, STE 6, GREENFIELD, MA 01301(413) 773-7766(413) 773-3050 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 13, 2026, Sep 11, 2025 (2 updates tracked since 2025).

About Dr. Gregg Kent Mullens Pharm.d.; D.d.s. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. GREGG KENT MULLENS PHARM.D.; D.D.S. (NPI 1003812538) is an individual pharmacist in Greenfield, Massachusetts, licensed in Massachusetts (19437) and active in the NPI registry since June 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1003812538
Entity TypeIndividualMale
Primary Taxonomy183500000X
Provider Legal NameDR. GREGG KENT MULLENSCredential: PHARM.D.; D.D.S.
Location Address40 SCHOOL ST, STE 6Greenfield, MA 01301-2436
Mailing Address40 School St, Ste 6Greenfield, MA 01301-2436 · (413) 773-7766 · Fax (413) 773-3050
Phone(413) 773-7766
Fax(413) 773-3050
Sole ProprietorNo
Enumeration DateJune 21, 2005
Last NPPES UpdateJuly 13, 20262 updates tracked since enumeration
✔ NPI 1003812538 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPharmacistPharmacy Service Providers
Taxonomy Code183500000X
License✔ Licensed in MA · 19437
Definition
An individual licensed by the appropriate state regulatory agency to engage in the practice of pharmacy. The practice of pharmacy includes, but is not limited to, assessment, interpretation, evaluation, and implementation, initiation, monitoring or modification of medication and or medical orders; the compounding or dispensing of medication and or medical orders; participation in drug and device procurement, storage, and selection; drug administration; drug regimen reviews; drug or drug-related research; provision of patient education and the provision of those acts or services necessary to provide medication therapy management services in all areas of patient care.
Also ListedDentist · General PracticeTaxonomy 1223G0001X · License 15868 (MA), 5233 (NE)
40 SCHOOL ST, Greenfield, MA 01301
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Other Identifiers 1

OtherXO8195MA · Blue Cross/blue Shield Id

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma, Blue Cross and Blue Shield of Texas.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Gregg Kent Mullens Pharm.d.; D.d.s. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Gregg Mullens's NPI number?

The NPI number for Gregg Mullens is 1003812538. It was assigned to this individual provider in the NPPES registry on June 21, 2005.

Where is Gregg Mullens located?

Gregg Mullens practices at 40 School St Ste 6, Greenfield, MA 01301. The listed phone number is (413) 773-7766.

What is Gregg Mullens's specialty?

The primary specialty registered for this NPI is Pharmacist with taxonomy code 183500000X.

Is Gregg Mullens enrolled in Medicare?

Yes. Gregg Mullens is registered in the Medicare PECOS enrollment system.

What insurance does Gregg Mullens accept?

Health plans from Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma and Blue Cross and Blue Shield of Texas list Gregg Mullens as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Gregg Mullens was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.