Dr. Mark Zyman, MD
- Medicare services, 2024
- 14
- Medicare patients, 2024
- 24
- Part D claims, 2024
- 111
- MIPS score, 2024
- 89
- Hospital affiliations
- 1
- Practice address
- 5651 Copley Dr, San Diego, CA 92111
- Practice phone
- Call (858) 262-6666
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Sharp Rees-Stealy Medical Group, Inc
San Diego, California
Find Dr. Zyman'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. Mark Zyman is an OB-GYN in San Diego, California
Dr. Zyman practices at Sharp Rees-Stealy Medical Group, Inc in San Diego, California.
Dr. Zyman's NPI, 1285989350, was assigned on July 16, 2012. Dr. Zyman graduated from Lewis Katz School of Medicine in 2012. Dr. Zyman holds California license A128815.
- NPI
- 1285989350NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5597052662
- NPI enumeration date
- July 16, 2012
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (858) 262-6666
- 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; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mark Zyman practices at Sharp Rees-Stealy Medical Group, Inc in San Diego, California
Dr. Zyman's primary practice is Sharp Rees-Stealy Medical Group, Inc, at 5651 Copley Dr, San Diego, CA 92111 in San Diego County. The practice phone is (858) 262-6666.
- Sharp Rees-Stealy Medical Group, Inc5651 Copley Dr, San Diego, CA 92111 · San Diego CountyPhone(858) 262-6666
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Mark Zyman is affiliated with 3 sites of care and 1 medical group
Dr. Zyman's primary practice is Sharp Rees-Stealy Medical Group, Inc in San Diego, California. Dr. Zyman is also affiliated with Sharp Memorial Hospital. The medical group on file is Sharp Rees-Stealy Medical Group. Dmand AI also links Dr. Zyman to 1 more group practice or clinic, named with a free account.
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. Mark Zyman's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Zyman practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Sharp Rees-Stealy Medical Group, Inc | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mark Zyman is one of 4,642 OB-GYNs in California
Obstetrics and gynecology is Dr. Zyman's primary specialty in the NPI Registry, under taxonomy code 207V00000X. Dr. Zyman is board certified in obstetrics & gynecology by the American Board of Obstetrics and Gynecology. Dmand AI has Dr. Zyman's licenses on file in 2 states: California and Nevada.
Specialties and state licenses
- Obstetrics and gynecology, CaliforniaPrimary
- Nevada license
Clinical focus
Dmand AI lists menopause, vaginal infection and vaginal prolapse repair among the conditions Dr. Zyman treats.
OB-GYNs near Dr. Zyman
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. Mark Zyman billed Medicare for 14 services in 2024
CMS data shows 14 Medicare services from Dr. Zyman across 1 procedure code in 2024, all of them office visits, for 24 Medicare patients. Medicare paid $954 for them. Every service was in an office.
Dr. Zyman's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 132024: 148%
Dr. Zyman compared with the California median for OB-GYNs, 2024
- Dr. Zyman
- California median
- Medicare services
- 14vs 5876% below
- Medicare patients
- 24vs 5254% below
- Part D claims
- 42vs 3520% above
Medians across 3,823 OB-GYNs in California with Dmand AI profiles that report each measure.
Dr. Zyman's most billed Medicare procedure codes, 2024
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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Zyman and other OB-GYNs in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mark Zyman treated 24 Medicare patients in 2024, average age 70
CMS counts 24 Medicare patients who saw Dr. Zyman in 2024. The largest group is 65 to 74, with 13 patients. 50% of them have high cholesterol. Their average risk score is 0.85, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Zyman's median patient age at 39, with 99% women.
Dr. Zyman's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Zyman's Medicare patients, 2024
- High cholesterol50%
Share of Medicare patients with each condition. A patient can have several.
Dr. Zyman's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 39
Patient panel by sex, all payers
- Women99%
- Men0%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Mark Zyman wrote 111 Medicare Part D claims in 2024
In 2024, Dr. Zyman wrote 111 Medicare Part D claims for 42 patients. 92% of them were for generic drugs. CMS names the drug for 42 of them, across 1 drug with 11 or more claims each, at $5,905 in total drug cost. In 2023, CMS named 16 claims across 1 drug.
Dr. Zyman's Part D claims by kind of drug, 2024
- Generic102 claims92%
- Brand-name and other9 claims8%
Dr. Zyman'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: 162024: 42163%
Drugs named by CMS: 1 in 2024, 1 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
Dr. Mark Zyman scored 89 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 89 out of 100 for Dr. Zyman for performance year 2024, reported as part of a group. Dr. Zyman accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Zyman as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Zyman's MIPS scores, performance year 2024
- 89of 100Final score
- 81of 100Quality
- 99of 100Promoting Interoperability
- 40of 100Improvement Activities
- 82of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Removal of the uterus: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Mark Zyman received $535 in industry payments from 2016 to 2024
CMS Open Payments shows 12 general payments to Dr. Zyman from 6 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. Boston Scientific Corporation paid the most, $225.
General payments to Dr. Zyman by program year, 2016 to 2024
Companies that paid Dr. Zyman the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Mark Zyman graduated from Lewis Katz School of Medicine
Dr. Zyman graduated from Lewis Katz School of Medicine in 2012.
- Medical school
- Board certified in obstetrics & gynecology
Source: Dmand AI Professional Profile Data
Dr. Mark Zyman accepts plans from 7 insurance carriers
Dr. Zyman is in network with 7 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. HMO plans come from the most carriers, 4. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Blue Cross and Blue Shield of Kansas City
- Cigna
- CMS Medicare
Plan types Dr. Zyman accepts, by number of carriers
- HMO4
- POS4
- PPO4
- EPO3
- Medicare3
Source: Dmand AI Insurance Network Data
Sources for Dr. Mark Zyman'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 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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| 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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (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. Mark Zyman
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. Mark Zyman's NPI number?
Dr. Mark Zyman's NPI number is 1285989350. It was assigned on July 16, 2012, and it is active in the NPI Registry.
What kind of doctor is Dr. Mark Zyman?
Dr. Mark Zyman is an OB-GYN in San Diego, California. The primary specialty in the NPI Registry is Obstetrics & Gynecology Physician (taxonomy code 207V00000X).
Where does Dr. Mark Zyman practice?
Dr. Zyman practices at 5651 Copley Dr, San Diego, CA 92111. Dr. Zyman's primary practice is Sharp Rees-Stealy Medical Group, Inc in San Diego, California. Dmand AI also links Dr. Zyman to 1 group practice or clinic.
What is Dr. Mark Zyman's office phone number?
The practice phone on file for Dr. Zyman is (858) 262-6666.
What is Dr. Mark Zyman's medical license number?
Dr. Zyman holds California license A128815, one of the licenses on file in 2 states.
Which states has Dr. Mark Zyman been licensed in?
Dmand AI has state licenses on file for Dr. Zyman in California (2014 to 2027) and Nevada (2015).
Which hospitals is Dr. Mark Zyman affiliated with?
Dr. Zyman is affiliated with Sharp Memorial Hospital.
What medical group is Dr. Mark Zyman part of?
Dr. Zyman is linked to Sharp Rees-Stealy Medical Group.
Does Dr. Mark Zyman accept Medicare?
Yes. CMS data shows Dr. Zyman billed Medicare for 14 services in 2024, and Dr. Zyman accepts Medicare assignment.
Does Dr. Mark Zyman offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Zyman as offering telehealth services.
Show 9 more questionsShow fewer questions
What is Dr. Mark Zyman's MIPS score?
Dr. Zyman's MIPS final score for performance year 2024 is 89 out of 100, reported as part of a group.
How many Medicare patients does Dr. Mark Zyman see?
CMS counts 24 Medicare patients who saw Dr. Zyman in 2024, with an average age of 70.
Is Dr. Mark Zyman board certified?
Yes. Dr. Zyman is board certified in obstetrics & gynecology by the American Board of Obstetrics and Gynecology.
What services does Dr. Mark Zyman bill to Medicare?
In 2024, Dr. Zyman's most billed Medicare services were office visit, established patient (99213).
Where did Dr. Mark Zyman go to medical school?
Dr. Zyman graduated from Lewis Katz School of Medicine in 2012.
What drugs does Dr. Mark Zyman prescribe most?
In 2024 Medicare Part D data, Dr. Zyman's most prescribed drugs by claims were Estradiol.
Has Dr. Mark Zyman received payments from drug or device companies?
CMS Open Payments shows $535 in general payments to Dr. Zyman from 6 companies from 2016 to 2024. The largest total came from Boston Scientific Corporation.
How long has Dr. Mark Zyman been practicing?
Dr. Zyman graduated from medical school in 2012, 14 years ago.
What insurance does Dr. Mark Zyman accept?
Dr. Zyman is in network with 7 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. HMO plans come from the most carriers, 4. Check the plan with the practice before a visit.
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