Dr. Charles E. Metzger, MD
- Part D claims, 2024
- 6,491
- Hospital affiliations
- 1
- Medical group
- 1
- Insurance carriers
- 2
- State license
- 1
- Practice address
- 99 Montecillo Rd, San Rafael, CA 94903
- Practice phone
- Call (415) 444-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. 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. Charles E. Metzger is an internist in San Rafael, California
Dr. Metzger practices at San Rafael Medical Center in San Rafael, California, part of Kaiser Permanente.
Dr. Metzger's NPI, 1881778959, was assigned on October 25, 2006. Dr. Metzger graduated from David Geffen School of Medicine at UCLA in 1997. Dr. Metzger holds California license A68121.
- NPI
- 1881778959NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8022203215
- NPI enumeration date
- October 25, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (415) 444-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 55
- Medical school graduation
- 1997
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Charles E. Metzger practices at San Rafael Medical Center in San Rafael, California
Dr. Metzger's primary practice is San Rafael Medical Center, at 99 Montecillo Rd, San Rafael, CA 94903 in Marin County. The practice phone is (415) 444-2000.
- San Rafael Medical Center99 Montecillo Rd, San Rafael, CA 94903 · Marin CountyPhone(415) 444-2000
Source: Dmand AI Affiliation Data
Dr. Charles E. Metzger is affiliated with 2 sites of care and 1 medical group
Dr. Metzger's primary practice is San Rafael Medical Center in San Rafael, California, part of Kaiser Permanente. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Dr. Metzger to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Charles E. Metzger's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Metzger practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| San Rafael Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Kaiser Permanente and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Charles E. Metzger is one of 16,751 internists in California
Internal medicine is Dr. Metzger's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Metzger is board certified in internal medicine by the American Board of Internal Medicine. Dr. Metzger is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Clinical focus
Dmand AI lists chronic hypertension, lower back pain and rotator cuff injury among the conditions Dr. Metzger treats.
Internists near Dr. 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. Charles E. Metzger's patients have a median age of 59
Across all payers, Dmand AI patient panel data puts Dr. Metzger's median patient age at 59, with 48% women.
Dr. 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 59
Patient panel by sex, all payers
- Women48%
- Men52%
Source: Dmand AI Patient Panel Data
Dr. Charles E. Metzger wrote 6,491 Medicare Part D claims in 2024
In 2024, Dr. Metzger wrote 6,491 Medicare Part D claims for 662 patients. 94% of them were for generic drugs. CMS names the drug for 5,996 of them, across 100 drugs with 11 or more claims each, at $148,768 in total drug cost. In 2023, CMS named 5,469 claims across 96 drugs.
Dr. Metzger's Part D claims by kind of drug, 2024
- Generic6,083 claims94%
- Brand-name394 claims6%
- Other14 claims0%
Dr. Metzger's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Metzger's Part D claims, 2024
- Opioids4%249 of 6,491 claims
- Antibiotics2%146 of 6,491 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 5,4692024: 5,99610%
Drugs named by CMS: 100 in 2024, 96 in 2023.
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
How Dr. Charles E. Metzger takes part in Medicare
Dr. Metzger accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Charles E. Metzger has 1 award and honors on record
Dmand AI lists 1 award for Dr. Metzger, most recently CMS Stage 1 2012 in 2011.
Awards and honors for Dr. Metzger
- 2011
- CMS Stage 1 2012
Source: Dmand AI Professional Profile Data
Dr. Charles E. Metzger graduated from David Geffen School of Medicine at UCLA
Dr. Metzger graduated from David Geffen School of Medicine at UCLA in 1997.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Charles E. Metzger accepts plans from 2 insurance carriers
Dr. Metzger is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Kaiser Permanente
- CMS Medicare
Plan types Dr. Metzger accepts, by number of carriers
- EPO1
- HMO1
- Medicare1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Charles E. 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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Charles E. 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. Charles E. Metzger's NPI number?
Dr. Charles E. Metzger's NPI number is 1881778959. It was assigned on October 25, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Charles E. Metzger?
Dr. Charles E. 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. Charles E. Metzger practice?
Dr. Metzger practices at 99 Montecillo Rd, San Rafael, CA 94903. Dr. Metzger's primary practice is San Rafael Medical Center in San Rafael, California, part of Kaiser Permanente. Dmand AI also links Dr. Metzger to 1 group practice or clinic.
What is Dr. Charles E. Metzger's office phone number?
The practice phone on file for Dr. Metzger is (415) 444-2000.
What is Dr. Charles E. Metzger's medical license number?
Dr. Metzger holds California license A68121.
Which hospitals is Dr. Charles E. Metzger affiliated with?
Dr. Metzger practices at San Rafael Medical Center in San Rafael, California.
What medical group is Dr. Charles E. Metzger part of?
Dr. Metzger is linked to The Permanente Medical Group, Inc.
Does Dr. Charles E. Metzger accept Medicare?
Yes. CMS lists Dr. Metzger as accepting Medicare assignment.
Is Dr. Charles E. Metzger board certified?
Yes. Dr. Metzger is board certified in internal medicine by the American Board of Internal Medicine.
Where did Dr. Charles E. Metzger go to medical school?
Dr. Metzger graduated from David Geffen School of Medicine at UCLA in 1997.
Show 3 more questionsShow fewer questions
What drugs does Dr. Charles E. Metzger prescribe most?
In 2024 Medicare Part D data, Dr. Metzger's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Tamsulosin HCl.
How long has Dr. Charles E. Metzger been practicing?
Dr. Metzger graduated from medical school in 1997, 29 years ago.
What insurance does Dr. Charles E. Metzger accept?
Dr. Metzger is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
Selling to internal medicine practices?
See internists in California by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card