Dr. Ritu Mukerji-Metzger, MD
- Part D claims, 2024
- 11
- Industry payments
- $20
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Practice address
- 97 San Marin Dr, Novato, CA 94945-1100
- Practice phone
- Call (415) 899-7525
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Permanente Medical Group - Novato (San Marin Dr)
Multi-specialty group site · Novato, California
Find Dr. Mukerji-Metzger's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Ritu Mukerji-Metzger is an internist in San Rafael, California
Dr. Mukerji-Metzger practices at Permanente Medical Group - Novato (San Marin Dr) in Novato, California.
Dr. Mukerji-Metzger's NPI, 1023156023, was assigned on February 2, 2007. Dr. Mukerji-Metzger graduated from Sidney Kimmel Medical College in 2002. Dr. Mukerji-Metzger's California license number on file is A85339.
- NPI
- 1023156023NPI Registry (opens in a new tab)
- NPI enumeration date
- February 2, 2007
- NPI status
- Active
- Practice phone
- (415) 899-7525
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 50
- Medical school graduation
- 2002
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ritu Mukerji-Metzger practices in Novato and San Rafael
Dr. Mukerji-Metzger's primary practice is Permanente Medical Group - Novato (San Marin Dr), at 97 San Marin Dr, Novato, CA 94945-1100. The practice phone is (415) 899-7525. The NPI Registry lists Dr. Mukerji-Metzger's practice address as 99 Montecillo Rd, San Rafael, CA 94903.
- Permanente Medical Group - Novato (San Marin Dr)Primary97 San Marin Dr, Novato, CA 94945-1100Phone(415) 899-7525
- NPI Registry address99 Montecillo Rd, San Rafael, CA 94903 · Marin CountyPhone(415) 899-7400
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Dr. Ritu Mukerji-Metzger is affiliated with 1 site of care and 1 medical group
Dr. Mukerji-Metzger's primary practice is Permanente Medical Group - Novato (San Marin Dr) in Novato, California. The medical group on file is The Permanente Medical Group, Inc.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. Ritu Mukerji-Metzger's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Mukerji-Metzger practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Permanente Medical Group - Novato (San Marin Dr) | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ritu Mukerji-Metzger is one of 16,751 internists in California
Internal medicine is Dr. Mukerji-Metzger's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Mukerji-Metzger has a license on file in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Internists near Dr. Mukerji-Metzger
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Ritu Mukerji-Metzger's patients have a median age of 62
Across all payers, Dmand AI patient panel data puts Dr. Mukerji-Metzger's median patient age at 62, with 55% women.
Dr. Mukerji-Metzger's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women55%
- Men45%
Source: Dmand AI Patient Panel Data
Dr. Ritu Mukerji-Metzger wrote 11 Medicare Part D claims in 2024
In 2024, Dr. Mukerji-Metzger wrote 11 Medicare Part D claims. Every claim was for a generic drug. They cover 5 drugs, with $1,090 in total drug cost. In 2022, CMS named 1,853 claims across 45 drugs.
Dr. Mukerji-Metzger's most prescribed drugs by claims, 2023
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 1,8532023: 7696%
Drugs named by CMS: 5 in 2023, 45 in 2022.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Dr. Ritu Mukerji-Metzger received $20 in industry payments in 2025
CMS Open Payments shows 1 general payment to Dr. Mukerji-Metzger from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Puma Biotechnology, Inc. paid the most, $20.
Companies that paid Dr. Mukerji-Metzger the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Ritu Mukerji-Metzger graduated from Sidney Kimmel Medical College
Dr. Mukerji-Metzger graduated from Sidney Kimmel Medical College in 2002.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Ritu Mukerji-Metzger's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Ritu Mukerji-Metzger
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Ritu Mukerji-Metzger's NPI number?
Dr. Ritu Mukerji-Metzger's NPI number is 1023156023. It was assigned on February 2, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Ritu Mukerji-Metzger?
Dr. Ritu Mukerji-Metzger is an internist in San Rafael, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Ritu Mukerji-Metzger practice?
Dr. Mukerji-Metzger practices at 97 San Marin Dr, Novato, CA 94945-1100. Dr. Mukerji-Metzger also practices at 99 Montecillo Rd, San Rafael, CA 94903. Dr. Mukerji-Metzger's primary practice is Permanente Medical Group - Novato (San Marin Dr) in Novato, California.
What is Dr. Ritu Mukerji-Metzger's office phone number?
The practice phone on file for Dr. Mukerji-Metzger is (415) 899-7525.
What is Dr. Ritu Mukerji-Metzger's medical license number?
Dr. Mukerji-Metzger's California license number on file is A85339.
What medical group is Dr. Ritu Mukerji-Metzger part of?
Dr. Mukerji-Metzger is linked to The Permanente Medical Group, Inc.
Where did Dr. Ritu Mukerji-Metzger go to medical school?
Dr. Mukerji-Metzger graduated from Sidney Kimmel Medical College in 2002.
What drugs does Dr. Ritu Mukerji-Metzger prescribe most?
In 2023 Medicare Part D data, Dr. Mukerji-Metzger's most prescribed drugs by claims were Atorvastatin Calcium, Lisinopril and Levothyroxine Sodium.
Has Dr. Ritu Mukerji-Metzger received payments from drug or device companies?
CMS Open Payments shows $20 in general payments to Dr. Mukerji-Metzger from 1 company from 2025 to 2025. The largest total came from Puma Biotechnology, Inc.
How long has Dr. Ritu Mukerji-Metzger been practicing?
Dr. Mukerji-Metzger graduated from medical school in 2002, 24 years ago.
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