Dr Marc Allen Medical PC
NPI 1003869850 · Neurology Physician · Commack, NY
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Dr Marc Allen Medical PC is a Neurology Physician organization in Commack, NY (NPI 1003869850).
Provider details
- NPI number
- 1003869850
- Entity type
- Organization
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Marc Allen, Owner President(631) 543-8844
- License
- 2238341 (NY)
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
20 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
- 2006-05-19
- Last updated
- 2025-09-11
Frequently asked questions
- What is Dr Marc Allen Medical PC's NPI number?
- Dr Marc Allen Medical PC's National Provider Identifier (NPI) is 1003869850, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Dr Marc Allen Medical PC?
- Dr Marc Allen Medical PC is classified in the NPPES registry as Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is Dr Marc Allen Medical PC located?
- Dr Marc Allen Medical PC's practice location on file with NPPES is 358 Veterans Memorial Hwy, Commack, NY 11725.
- What is Dr Marc Allen Medical PC's phone number?
- The practice phone number listed in the NPPES registry for Dr Marc Allen Medical PC is (631) 543-8844.
- Does Dr Marc Allen Medical PC accept Medicare?
- Dr Marc Allen Medical PC 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 Dr Marc Allen Medical PC?
- The authorized official listed on Dr Marc Allen Medical PC's NPPES record is Marc Allen, Owner President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Dr Marc Allen Medical PC's NPI active?
- Yes — Dr Marc Allen Medical PC's NPI (1003869850) 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.