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Dr. Sara D. Mark, MD
NPI1417035924PAC ID1355343989
- Part D claims, 2024
- 432
- Publications
- 1
- Hospital affiliations
- 1
- Medical group
- 1
- Insurance carriers
- 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. Mark's professional email, personal email and mobile number
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Dr. Sara D. Mark is an OB-GYN in Richmond, California
Dr. Mark practices at Richmond Medical Center in Richmond, California.
Dr. Mark's NPI, 1417035924, was assigned on November 1, 2006. Dr. Mark graduated from UC Davis School of Medicine in 2002. Dr. Mark holds California license A83976.
NPI and contact details
- NPI
- 1417035924NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1355343989
- NPI enumeration date
- November 1, 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
- Female
- Estimated age
- 50
- Medical school graduation
- 2002
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Sara D. Mark practices at Richmond Medical Center in Richmond, California
Dr. Mark'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. Sara D. Mark is affiliated with 2 sites of care and 1 medical group
Dr. Mark's primary practice is Richmond Medical Center in Richmond, California. Dr. Mark is also affiliated with Walnut Creek Medical Center. The medical group on file is The Permanente Medical Group, Inc.
Richmond Medical CenterPrimary
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. Sara D. Mark's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Mark 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. Sara D. Mark is one of 4,642 OB-GYNs in California
Obstetrics and gynecology is Dr. Mark's primary specialty in the NPI Registry, under taxonomy code 207V00000X. Dr. Mark is board certified in obstetrics & gynecology by the American Board of Obstetrics and Gynecology. Dr. Mark is licensed in California.
Specialties and state licenses
- Obstetrics and gynecology, CaliforniaPrimary
Clinical focus
Dmand AI lists menopause among the conditions Dr. Mark treats.
OB-GYNs near Dr. Mark
Counts of OB-GYNs 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. Sara D. Mark's patients have a median age of 38
Across all payers, Dmand AI patient panel data puts Dr. Mark's median patient age at 38, with 99% women.
Dr. Mark's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 38
Patient panel by sex, all payers
- Women99%
- Men0%
Source: Dmand AI Patient Panel Data
Dr. Sara D. Mark wrote 432 Medicare Part D claims in 2024
In 2024, Dr. Mark wrote 432 Medicare Part D claims for 163 patients. 81% of them were for generic drugs. CMS names the drug for 363 of them, across 11 drugs with 11 or more claims each, at $49,716 in total drug cost. In 2023, CMS named 308 claims across 9 drugs.
Part D claims, 2024432
Drugs named by CMS11
Total drug cost$49,716
Part D patients163
Dr. Mark's Part D claims by kind of drug, 2024
- Generic351 claims81%
- Brand-name81 claims19%
Dr. Mark'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. Mark's Part D claims, 2024
- Antibiotics6%26 of 432 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: 3082024: 36318%
Drugs named by CMS: 11 in 2024, 9 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. Sara D. Mark takes part in Medicare
Dr. Mark 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. Sara D. Mark has 1 publication on record
Dmand AI links 1 paper to Dr. Mark in 2007. Dr. Mark's most frequent co-authors are Amin Antonios Milki, MD and Lynn Westphal, MD.
Papers1
Dr. Mark's most frequent co-authors
Recent publications by Dr. Mark
See who Dr. Mark researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Mark works with, so you can find a warm path to the right OB-GYNs.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Sara D. Mark has 2 awards and honors on record
Dmand AI lists 2 awards for Dr. Mark, most recently ACOG Fellow in 2011.
Awards and honors for Dr. Mark
- 2011
- ACOG Fellow
- Undated
- CMS Stage 1 2012
Source: Dmand AI Professional Profile Data
Dr. Sara D. Mark graduated from UC Davis School of Medicine
Dr. Mark graduated from UC Davis School of Medicine in 2002. Dr. Mark is a member of American College of Obstetricians and Gynecologists.
- Medical school
- Board certified in obstetrics & gynecology
Source: Dmand AI Professional Profile Data
Dr. Sara D. Mark accepts plans from 1 insurance carrier
Dr. Mark is in network with 1 carrier, including Kaiser Permanente. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Kaiser Permanente
Plan types Dr. Mark accepts, by number of carriers
- EPO1
- HMO1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Sara D. Mark'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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Sara D. Mark
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. Sara D. Mark's NPI number?
Dr. Sara D. Mark's NPI number is 1417035924. It was assigned on November 1, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Sara D. Mark?
Dr. Sara D. Mark is an OB-GYN in Richmond, California. The primary specialty in the NPI Registry is Obstetrics & Gynecology Physician (taxonomy code 207V00000X).
Where does Dr. Sara D. Mark practice?
Dr. Mark practices at 901 Nevin Ave, Richmond, CA 94801. Dr. Mark's primary practice is Richmond Medical Center in Richmond, California.
What is Dr. Sara D. Mark's office phone number?
The practice phone on file for Dr. Mark is (510) 307-1555.
What is Dr. Sara D. Mark's medical license number?
Dr. Mark holds California license A83976.
Which hospitals is Dr. Sara D. Mark affiliated with?
Dr. Mark is affiliated with Walnut Creek Medical Center.
What medical group is Dr. Sara D. Mark part of?
Dr. Mark is linked to The Permanente Medical Group, Inc.
Does Dr. Sara D. Mark accept Medicare?
Yes. CMS lists Dr. Mark as accepting Medicare assignment.
Is Dr. Sara D. Mark board certified?
Yes. Dr. Mark is board certified in obstetrics & gynecology by the American Board of Obstetrics and Gynecology.
Where did Dr. Sara D. Mark go to medical school?
Dr. Mark graduated from UC Davis School of Medicine in 2002.
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What drugs does Dr. Sara D. Mark prescribe most?
In 2024 Medicare Part D data, Dr. Mark's most prescribed drugs by claims were Estradiol, Estring and Yuvafem.
How long has Dr. Sara D. Mark been practicing?
Dr. Mark graduated from medical school in 2002, 24 years ago.
Does Dr. Sara D. Mark do research?
Dmand AI links 1 publication to Dr. Mark.
Who does Dr. Sara D. Mark publish with?
Dr. Mark's most frequent co-authors are Amin Antonios Milki, MD (1 shared paper) and Lynn Westphal, MD (1 shared paper).
What insurance does Dr. Sara D. Mark accept?
Dr. Mark is in network with 1 carrier, including Kaiser Permanente. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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