Dr. Stephen B. Martinez, MD
- Part D claims, 2024
- 478
- Hospital affiliations
- 1
- Medical group
- 1
- Insurance carriers
- 2
- State license
- 1
- Practice address
- 901 Nevin Ave, Richmond, CA 94801
- Practice phone
- Call (510) 307-1555
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Richmond Medical Center
Richmond, California
Find Dr. Martinez'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 B. Martinez is a dermatologist in Richmond, California
Dr. Martinez practices at Richmond Medical Center in Richmond, California.
Dr. Martinez's NPI, 1386729044, was assigned on October 25, 2006. Dr. Martinez graduated from UC Davis School of Medicine in 1996. Dr. Martinez's California license number on file is A64598.
- NPI
- 1386729044NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0547446445
- NPI enumeration date
- October 25, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (510) 307-1555
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 56
- Medical school graduation
- 1996
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Stephen B. Martinez practices at Richmond Medical Center in Richmond, California
Dr. Martinez's primary practice is Richmond Medical Center, at 901 Nevin Ave, Richmond, CA 94801 in Contra Costa County. The practice phone is (510) 307-1555.
- Richmond Medical Center901 Nevin Ave, Richmond, CA 94801 · Contra Costa CountyPhone(510) 307-1555
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Stephen B. Martinez is affiliated with 2 sites of care and 1 medical group
Dr. Martinez's primary practice is Richmond Medical Center in Richmond, California. Dr. Martinez is also affiliated with Fremont Medical Center. The medical group on file is The Permanente Medical Group, Inc.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Stephen B. Martinez's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Martinez practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Richmond Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Stephen B. Martinez is one of 1,910 dermatologists in California
Dermatology is Dr. Martinez's primary specialty in the NPI Registry, under taxonomy code 207N00000X. Dr. Martinez is board certified in dermatology by the American Board of Dermatology. Dr. Martinez has a license on file in California.
Specialties and state licenses
- Dermatology, CaliforniaPrimary
Dermatologists near Dr. Martinez
Counts of dermatologists 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 B. Martinez's patients have a median age of 50
Across all payers, Dmand AI patient panel data puts Dr. Martinez's median patient age at 50, with 57% women.
Dr. Martinez's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 50
Patient panel by sex, all payers
- Women57%
- Men43%
Source: Dmand AI Patient Panel Data
Dr. Stephen B. Martinez wrote 478 Medicare Part D claims in 2024
In 2024, Dr. Martinez wrote 478 Medicare Part D claims for 200 patients. 70% of them were for generic drugs. CMS names the drug for 375 of them, across 16 drugs with 11 or more claims each, at $149,826 in total drug cost. In 2023, CMS named 75 claims across 5 drugs.
Dr. Martinez's Part D claims by kind of drug, 2024
- Generic336 claims70%
- Brand-name142 claims30%
Dr. Martinez'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: 752024: 375400%
Drugs named by CMS: 16 in 2024, 5 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. Stephen B. Martinez takes part in Medicare
Dr. Martinez 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)
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Dr. Stephen B. Martinez has 2 awards and honors on record
Dmand AI lists 2 awards for Dr. Martinez, most recently CMS Stage 1 2012 in 2011.
Awards and honors for Dr. Martinez
- 2011
- CMS Stage 1 2012
- Undated
- AAD Fellow
Source: Dmand AI Professional Profile Data
Dr. Stephen B. Martinez graduated from UC Davis School of Medicine
Dr. Martinez graduated from UC Davis School of Medicine in 1996. Dr. Martinez is a member of AAD.
- Medical school
- Board certified in dermatology
Source: Dmand AI Professional Profile Data
Dr. Stephen B. Martinez accepts plans from 2 insurance carriers
Dr. Martinez is in network with 2 carriers, including CMS Medicare and Kaiser Permanente. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- CMS Medicare
- Kaiser Permanente
Plan types Dr. Martinez accepts, by number of carriers
- EPO1
- Medicare1
Source: Dmand AI Insurance Network Data
Sources for Dr. Stephen B. Martinez'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 Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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. Stephen B. Martinez
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 B. Martinez's NPI number?
Dr. Stephen B. Martinez's NPI number is 1386729044. It was assigned on October 25, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Stephen B. Martinez?
Dr. Stephen B. Martinez is a dermatologist in Richmond, California. The primary specialty in the NPI Registry is Dermatology Physician (taxonomy code 207N00000X).
Where does Dr. Stephen B. Martinez practice?
Dr. Martinez practices at 901 Nevin Ave, Richmond, CA 94801. Dr. Martinez's primary practice is Richmond Medical Center in Richmond, California.
What is Dr. Stephen B. Martinez's office phone number?
The practice phone on file for Dr. Martinez is (510) 307-1555.
What is Dr. Stephen B. Martinez's medical license number?
Dr. Martinez's California license number on file is A64598.
Which hospitals is Dr. Stephen B. Martinez affiliated with?
Dr. Martinez is affiliated with Fremont Medical Center.
What medical group is Dr. Stephen B. Martinez part of?
Dr. Martinez is linked to The Permanente Medical Group, Inc.
Does Dr. Stephen B. Martinez accept Medicare?
Yes. CMS lists Dr. Martinez as accepting Medicare assignment.
Is Dr. Stephen B. Martinez board certified?
Yes. Dr. Martinez is board certified in dermatology by the American Board of Dermatology.
Where did Dr. Stephen B. Martinez go to medical school?
Dr. Martinez graduated from UC Davis School of Medicine in 1996.
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What drugs does Dr. Stephen B. Martinez prescribe most?
In 2024 Medicare Part D data, Dr. Martinez's most prescribed drugs by claims were Triamcinolone Acetonide, Fluorouracil and Calcipotriene.
How long has Dr. Stephen B. Martinez been practicing?
Dr. Martinez graduated from medical school in 1996, 30 years ago.
What insurance does Dr. Stephen B. Martinez accept?
Dr. Martinez is in network with 2 carriers, including CMS Medicare and Kaiser Permanente. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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