M Marcus, M.D.
NPI 1427057397 · Otolaryngic Allergy Physician · Inverness, FL
Enrolled with Medicare as Practitioner - Otolaryngology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
M Marcus, M.D. is a Otolaryngic Allergy Physician provider in Inverness, FL (NPI 1427057397).
Provider details
- NPI number
- 1427057397
- Entity type
- Individual
- Primary specialty
- Otolaryngic Allergy PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- ME20810 (FL)
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
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
- 2005-07-21
- Last updated
- 2021-06-29
- Certified
- 2021-06-29
Frequently asked questions
- What is M Marcus's NPI number?
- M Marcus's National Provider Identifier (NPI) is 1427057397, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is M Marcus's specialty?
- M Marcus is listed in the NPPES registry with a primary specialty of Otolaryngic Allergy Physician (Allopathic & Osteopathic Physicians).
- Where is M Marcus located?
- M Marcus's practice location on file with NPPES is 821 Medical Ct E, Inverness, FL 34452-4623.
- What is M Marcus's phone number?
- The practice phone number listed in the NPPES registry for M Marcus is (352) 726-3131.
- Does M Marcus accept Medicare?
- M Marcus is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is M Marcus's NPI active?
- Yes — M Marcus's NPI (1427057397) is active in the NPPES registry as of the last update on 2021-06-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.