IndividualActive
Harold Marsh, M.D.
NPI 1649214669 · Anesthesiology Physician · Pontiac, MI
Harold Marsh, M.D. is a Anesthesiology Physician provider in Pontiac, MI (NPI 1649214669).
Provider details
- NPI number
- 1649214669
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 4301055297 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
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
44405 Woodward Ave
Pontiac, MI 48341-5031
Phone: (248) 858-3051
Fax: (248) 858-3022
Street-level locationGet directions
Mailing address
44555 Woodward Ave
Pontiac, MI 48341-5031
Registry dates
- Enumerated
- 2006-06-16
- Last updated
- 2014-04-11
Frequently asked questions
- What is Harold Marsh's NPI number?
- Harold Marsh's National Provider Identifier (NPI) is 1649214669, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Harold Marsh's specialty?
- Harold Marsh is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Harold Marsh located?
- Harold Marsh's practice location on file with NPPES is 44405 Woodward Ave, Pontiac, MI 48341-5031.
- What is Harold Marsh's phone number?
- The practice phone number listed in the NPPES registry for Harold Marsh is (248) 858-3051.
- Is Harold Marsh's NPI active?
- Yes — Harold Marsh's NPI (1649214669) is active in the NPPES registry as of the last update on 2014-04-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.