Dr. Stephen A. Merjavy, MD
- Medicare services, 2022
- 97
- Part D claims, 2024
- 148
- Hospital affiliations
- 1
- Industry payments
- $87
- Medical groups
- 3
- Practice address
- 3260 Kerner Boulevard , Suite A, San Rafael, CA 94901
- Practice phone
- Call (415) 755-2510
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Marin Community Clinics - San Rafael Campus Clinic
FQHC - Main Site · San Rafael, California
Find Dr. Merjavy'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. Stephen A. Merjavy is a family medicine physician in San Rafael, California
Dr. Merjavy practices at Marin Community Clinics - San Rafael Campus Clinic in San Rafael, California.
Dr. Merjavy's NPI, 1326477993, was assigned on November 5, 2013. Dr. Merjavy graduated from Icahn School Of Medicine At Mount Sinai in 2012. Dr. Merjavy's California license number on file is 127852.
- NPI
- 1326477993NPI Registry (opens in a new tab)
- NPI enumeration date
- November 5, 2013
- NPI status
- Active
- Practice phone
- (415) 755-2510
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 40
- Medical school graduation
- 2012
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Stephen A. Merjavy practices at Marin Community Clinics - San Rafael Campus Clinic in San Rafael, California
Dr. Merjavy's primary practice is Marin Community Clinics - San Rafael Campus Clinic, at 3260 Kerner Boulevard , Suite A, San Rafael, CA 94901 in Marin County. The practice phone is (415) 755-2510.
- Marin Community Clinics - San Rafael Campus Clinic3260 Kerner Boulevard , Suite A, San Rafael, CA 94901 · Marin CountyPhone(415) 755-2510
Source: Dmand AI Affiliation Data
Dr. Stephen A. Merjavy is affiliated with 2 sites of care and 3 medical groups
Dr. Merjavy's primary practice is Marin Community Clinics - San Rafael Campus Clinic in San Rafael, California. Dr. Merjavy is also affiliated with Contra Costa Regional Medical Center. The medical group on file is Marin Community Clinics. Dmand AI also links Dr. Merjavy to 2 more medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Stephen A. Merjavy's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Merjavy practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Marin Community Clinics - San Rafael Campus Clinic | Available with a free account |
| +1 more site and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Stephen A. Merjavy is one of 15,680 family medicine physicians in California
Family medicine is Dr. Merjavy's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Merjavy is board certified in family medicine by the American Board of Family Medicine. Dr. Merjavy has a license on file in California.
Specialties and state licenses
- Family medicine, CaliforniaPrimary
Clinical focus
Dmand AI lists acute diabetes, hiv/aids and sepsis among the conditions Dr. Merjavy treats.
Family medicine physicians near Dr. Merjavy
Counts of family medicine physicians 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. Stephen A. Merjavy billed Medicare for 97 services in 2022
CMS data shows 97 Medicare services from Dr. Merjavy across 2 procedure codes in 2022, all of them office visits. Medicare paid $11,605 for them. Every service was in an office.
Dr. Merjavy's Medicare services by type, 2021 to 2022
- 2021
- 2022
- Office and hospital visits
- 2021: 2202022: 9756%
Dr. Merjavy compared with the California median for family medicine physicians, 2022
- Dr. Merjavy
- California median
- Medicare services
- 97vs 24661% below
- Part D claims
- 67vs 83392% below
Medians across 15,349 family medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Merjavy's most billed Medicare procedure codes, 2022
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Stephen A. Merjavy's patients have a median age of 66
Across all payers, Dmand AI patient panel data puts Dr. Merjavy's median patient age at 66, with 29% women.
Dr. Merjavy's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women29%
- Men67%
Source: Dmand AI Patient Panel Data
Dr. Stephen A. Merjavy wrote 148 Medicare Part D claims in 2024
In 2024, Dr. Merjavy wrote 148 Medicare Part D claims for 23 patients. 52% of them were for generic drugs. CMS names the drug for 67 of them, across 4 drugs with 11 or more claims each, at $93,957 in total drug cost. In 2023, CMS named 190 claims across 12 drugs.
Dr. Merjavy's Part D claims by kind of drug, 2024
- Generic77 claims52%
- Brand-name71 claims48%
Dr. Merjavy'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1902024: 6765%
Drugs named by CMS: 4 in 2024, 12 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
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Dr. Stephen A. Merjavy received $87 in industry payments from 2019 to 2022
CMS Open Payments shows 2 general payments to Dr. Merjavy from 2 drug and device companies from 2019 to 2022. Food and beverage make up the largest share, 100% of the total. Gilead Sciences, Inc. paid the most, $75.
General payments to Dr. Merjavy by program year, 2019 to 2022
Companies that paid Dr. Merjavy the most, 2019 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Stephen A. Merjavy graduated from Icahn School Of Medicine At Mount Sinai
Dr. Merjavy graduated from Icahn School Of Medicine At Mount Sinai in 2012.
- Medical school
- Board certified in family medicine
Source: Dmand AI Professional Profile Data
Dr. Stephen A. Merjavy accepts plans from 4 insurance carriers
Dr. Merjavy is in network with 4 carriers, including Blue Cross Blue Shield of Michigan, Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 4. Check the plan with the practice before a visit.
- Blue Cross Blue Shield of Michigan
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Regence Health Plans
Plan types Dr. Merjavy accepts, by number of carriers
- Medicare4
- PPO4
- HMO1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Stephen A. Merjavy'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 services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| 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 |
| 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. Stephen A. Merjavy
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. Stephen A. Merjavy's NPI number?
Dr. Stephen A. Merjavy's NPI number is 1326477993. It was assigned on November 5, 2013, and it is active in the NPI Registry.
What kind of doctor is Dr. Stephen A. Merjavy?
Dr. Stephen A. Merjavy is a family medicine physician in San Rafael, California. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Stephen A. Merjavy practice?
Dr. Merjavy practices at 3260 Kerner Boulevard , Suite A, San Rafael, CA 94901. Dr. Merjavy's primary practice is Marin Community Clinics - San Rafael Campus Clinic in San Rafael, California. Dmand AI also links Dr. Merjavy to 2 medical groups.
What is Dr. Stephen A. Merjavy's office phone number?
The practice phone on file for Dr. Merjavy is (415) 755-2510.
What is Dr. Stephen A. Merjavy's medical license number?
Dr. Merjavy's California license number on file is 127852.
Which hospitals is Dr. Stephen A. Merjavy affiliated with?
Dr. Merjavy is affiliated with Contra Costa Regional Medical Center.
What medical group is Dr. Stephen A. Merjavy part of?
Dr. Merjavy is linked to Marin Community Clinics. Dmand AI links Dr. Merjavy to 2 more medical groups.
Does Dr. Stephen A. Merjavy accept Medicare?
Yes. CMS data shows Dr. Merjavy billed Medicare for 97 services in 2022.
Is Dr. Stephen A. Merjavy board certified?
Yes. Dr. Merjavy is board certified in family medicine by the American Board of Family Medicine.
What services does Dr. Stephen A. Merjavy bill to Medicare?
In 2022, Dr. Merjavy's most billed Medicare services were office visit, established patient (99214) and office visit, established patient (99215).
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Where did Dr. Stephen A. Merjavy go to medical school?
Dr. Merjavy graduated from Icahn School Of Medicine At Mount Sinai in 2012.
What drugs does Dr. Stephen A. Merjavy prescribe most?
In 2024 Medicare Part D data, Dr. Merjavy's most prescribed drugs by claims were Atorvastatin Calcium, Juluca and Emtricitabine.
Has Dr. Stephen A. Merjavy received payments from drug or device companies?
CMS Open Payments shows $87 in general payments to Dr. Merjavy from 2 companies from 2019 to 2022. The largest total came from Gilead Sciences, Inc.
How long has Dr. Stephen A. Merjavy been practicing?
Dr. Merjavy graduated from medical school in 2012, 14 years ago.
What insurance does Dr. Stephen A. Merjavy accept?
Dr. Merjavy is in network with 4 carriers, including Blue Cross Blue Shield of Michigan, Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 4. Check the plan with the practice before a visit.
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