Ritu Mukerji-Metzger, MD
NPI 1023156023 · Internal Medicine Physician · Novato, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ritu Mukerji-Metzger, MD is a Internal Medicine Physician provider in Novato, CA (NPI 1023156023).
Provider details
- NPI number
- 1023156023
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A85339 (CA)
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
- 2007-02-02
- Last updated
- 2021-12-09
Frequently asked questions
- What is Ritu Mukerji-Metzger's NPI number?
- Ritu Mukerji-Metzger's National Provider Identifier (NPI) is 1023156023, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ritu Mukerji-Metzger's specialty?
- Ritu Mukerji-Metzger is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ritu Mukerji-Metzger located?
- Ritu Mukerji-Metzger's practice location on file with NPPES is 97 San Marin Dr, Novato, CA 94945-1100.
- What is Ritu Mukerji-Metzger's phone number?
- The practice phone number listed in the NPPES registry for Ritu Mukerji-Metzger is (415) 899-7400.
- Does Ritu Mukerji-Metzger accept Medicare?
- Ritu Mukerji-Metzger is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ritu Mukerji-Metzger's NPI active?
- Yes — Ritu Mukerji-Metzger's NPI (1023156023) is active in the NPPES registry as of the last update on 2021-12-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.