Gregory Heifler, MD, PA
NPI 1437357944 · Family Medicine Physician · Montclair, NJ
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Heifler, MD, PA is a Family Medicine Physician organization in Montclair, NJ (NPI 1437357944).
Provider details
- NPI number
- 1437357944
- Entity type
- Organization
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Gregory Heifler, Owner(973) 275-1860
- License
- MA064696 (NJ)
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
18 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
- 2007-07-05
- Last updated
- 2020-08-22
Frequently asked questions
- What is Gregory Heifler, MD, PA's NPI number?
- Gregory Heifler, MD, PA's National Provider Identifier (NPI) is 1437357944, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Gregory Heifler, MD, PA?
- Gregory Heifler, MD, PA is classified in the NPPES registry as Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Heifler, MD, PA located?
- Gregory Heifler, MD, PA's practice location on file with NPPES is 103 Park St, Montclair, NJ 07042-5913.
- What is Gregory Heifler, MD, PA's phone number?
- The practice phone number listed in the NPPES registry for Gregory Heifler, MD, PA is (973) 275-1860.
- Does Gregory Heifler, MD, PA accept Medicare?
- Gregory Heifler, MD, PA is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Gregory Heifler, MD, PA?
- The authorized official listed on Gregory Heifler, MD, PA's NPPES record is Gregory Heifler, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Gregory Heifler, MD, PA's NPI active?
- Yes — Gregory Heifler, MD, PA's NPI (1437357944) is active in the NPPES registry as of the last update on 2020-08-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.