Marc Hammerman, MD
NPI 1982622676 · Nephrology Physician · Saint Louis, MO
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marc Hammerman, MD is a Nephrology Physician provider in Saint Louis, MO (NPI 1982622676).
Provider details
- NPI number
- 1982622676
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- R7960 (MO)
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
19 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
- 2006-07-18
- Last updated
- 2015-10-22
Frequently asked questions
- What is Marc Hammerman's NPI number?
- Marc Hammerman's National Provider Identifier (NPI) is 1982622676, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marc Hammerman's specialty?
- Marc Hammerman is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Marc Hammerman located?
- Marc Hammerman's practice location on file with NPPES is 4570 Childrens Pl, Saint Louis, MO 63110-1020.
- What is Marc Hammerman's phone number?
- The practice phone number listed in the NPPES registry for Marc Hammerman is (314) 362-7601.
- Does Marc Hammerman accept Medicare?
- Marc Hammerman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marc Hammerman's NPI active?
- Yes — Marc Hammerman's NPI (1982622676) is active in the NPPES registry as of the last update on 2015-10-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.