Dr. Stephen Vincent Dimarzo, MD
- Medicare services, 2023
- 133
- Part D claims, 2024
- 57
- Hospital affiliations
- 1
- Industry payments
- $3,233
- Medical groups
- 3
- Practice address
- 9888 Genesee Avenue, La Jolla, CA 92037
- Practice phone
- Call (858) 626-4123
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Dimarzo'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 Vincent Dimarzo is an OB-GYN in La Jolla, California
Dr. Dimarzo practices at Scripps Memorial Hospital La Jolla in La Jolla, California, part of Scripps Health.
Dr. Dimarzo's NPI, 1366479461, was assigned on June 26, 2006. Dr. Dimarzo graduated from University of Rochester Medical Center in 1980. Dr. Dimarzo holds California license G45838.
- NPI
- 1366479461NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8628072105
- NPI enumeration date
- June 26, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (858) 626-4123
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 72
- Medical school graduation
- 1980
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Stephen Vincent Dimarzo practices at Scripps Memorial Hospital La Jolla in La Jolla, California
Dr. Dimarzo's primary practice is Scripps Memorial Hospital La Jolla, at 9888 Genesee Avenue, La Jolla, CA 92037 in San Diego County. The practice phone is (858) 626-4123.
- Scripps Memorial Hospital La Jolla9888 Genesee Avenue, La Jolla, CA 92037 · San Diego CountyPhone(858) 626-4123
Source: Dmand AI Affiliation Data
Dr. Stephen Vincent Dimarzo is affiliated with 4 sites of care and 3 medical groups
Dr. Dimarzo's primary practice is Scripps Memorial Hospital La Jolla in La Jolla, California, part of Scripps Health. The medical group on file is Scripps Clinic Medical Group. Dmand AI also links Dr. Dimarzo to 3 more group practices and clinics and 2 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 Vincent Dimarzo's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Dimarzo practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Scripps Memorial Hospital La Jolla | Available with a free account |
| +3 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. Stephen Vincent Dimarzo is one of 4,642 OB-GYNs in California
Obstetrics and gynecology is Dr. Dimarzo's primary specialty in the NPI Registry, under taxonomy code 207V00000X. Dr. Dimarzo is board certified in obstetrics & gynecology by the American Board of Obstetrics and Gynecology. Dr. Dimarzo is licensed in California.
Specialties and state licenses
- Obstetrics and gynecology, CaliforniaPrimary
Clinical focus
Dmand AI lists menopause, ovarian cyst, pelvic prolapse, UTI and vaginal infection among the conditions Dr. Dimarzo treats.
OB-GYNs near Dr. Dimarzo
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. Stephen Vincent Dimarzo billed Medicare for 133 services in 2023
CMS data shows 133 Medicare services from Dr. Dimarzo across 6 procedure codes in 2023. Medicare paid $8,143 for them. Every service was in an office.
Dr. Dimarzo's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Office and hospital visits
- 2022: 732023: 5722%
- Imaging
- 2022: 332023: 4330%
- Other services
- 2022: 382023: 3313%
Dr. Dimarzo compared with the California median for OB-GYNs, 2023
- Dr. Dimarzo
- California median
- Medicare services
- 133vs 582.3 times
- Part D claims
- 14vs 3560% below
Medians across 3,823 OB-GYNs in California with Dmand AI profiles that report each measure.
Dr. Dimarzo's most billed Medicare procedure codes, 2023
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Dimarzo?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Dimarzo and other OB-GYNs in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Stephen Vincent Dimarzo's patients have a median age of 47
Across all payers, Dmand AI patient panel data puts Dr. Dimarzo's median patient age at 47, with 98% women.
Dr. Dimarzo's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 47
Patient panel by sex, all payers
- Women98%
- Men0%
Source: Dmand AI Patient Panel Data
Dr. Stephen Vincent Dimarzo wrote 57 Medicare Part D claims in 2024
In 2024, Dr. Dimarzo wrote 57 Medicare Part D claims for 23 patients. 75% of them were for generic drugs. CMS names the drug for 14 of them, across 1 drug with 11 or more claims each, at $806 in total drug cost. In 2023, CMS named 105 claims across 4 drugs.
Dr. Dimarzo's Part D claims by kind of drug, 2024
- Generic43 claims75%
- Brand-name14 claims25%
Dr. Dimarzo'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: 1052024: 1487%
Drugs named by CMS: 1 in 2024, 4 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 Vincent Dimarzo takes part in Medicare
Dr. Dimarzo accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Removal of the uterus: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Stephen Vincent Dimarzo received $3,233 in industry payments from 2016 to 2024
CMS Open Payments shows 166 general payments to Dr. Dimarzo from 35 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 89% of the total. Organon LLC paid the most, $358.
General payments to Dr. Dimarzo by program year, 2016 to 2024
General payments to Dr. Dimarzo by kind, 2016 to 2024
- Food and beverage$2,89089%
- Education$34411%
Companies that paid Dr. Dimarzo 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. Stephen Vincent Dimarzo has 1 award and honors on record
Dmand AI lists 1 award for Dr. Dimarzo.
Awards and honors for Dr. Dimarzo
- Undated
- ACOG Fellow
Source: Dmand AI Professional Profile Data
Dr. Stephen Vincent Dimarzo graduated from University of Rochester Medical Center
Dr. Dimarzo graduated from University of Rochester Medical Center in 1980.
- Medical school
- Board certified in obstetrics & gynecology
Source: Dmand AI Professional Profile Data
Dr. Stephen Vincent Dimarzo accepts plans from 6 insurance carriers
Dr. Dimarzo is in network with 6 carriers, including Blue Cross Blue Shield of Michigan, United Healthcare and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Regence Health Plans
- Blue Cross and Blue Shield of Kansas City
Plan types Dr. Dimarzo accepts, by number of carriers
- Medicare5
- PPO5
- HMO2
- POS2
- EPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Stephen Vincent Dimarzo'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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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) |
| 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 Vincent Dimarzo
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 Vincent Dimarzo's NPI number?
Dr. Stephen Vincent Dimarzo's NPI number is 1366479461. It was assigned on June 26, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Stephen Vincent Dimarzo?
Dr. Stephen Vincent Dimarzo is an OB-GYN in La Jolla, California. The primary specialty in the NPI Registry is Obstetrics & Gynecology Physician (taxonomy code 207V00000X).
Where does Dr. Stephen Vincent Dimarzo practice?
Dr. Dimarzo practices at 9888 Genesee Avenue, La Jolla, CA 92037. Dr. Dimarzo's primary practice is Scripps Memorial Hospital La Jolla in La Jolla, California, part of Scripps Health. Dmand AI also links Dr. Dimarzo to 3 group practices and clinics and 2 medical groups.
What is Dr. Stephen Vincent Dimarzo's office phone number?
The practice phone on file for Dr. Dimarzo is (858) 626-4123.
What is Dr. Stephen Vincent Dimarzo's medical license number?
Dr. Dimarzo holds California license G45838.
Which hospitals is Dr. Stephen Vincent Dimarzo affiliated with?
Dr. Dimarzo practices at Scripps Memorial Hospital La Jolla in La Jolla, California.
What medical group is Dr. Stephen Vincent Dimarzo part of?
Dr. Dimarzo is linked to Scripps Clinic Medical Group. Dmand AI links Dr. Dimarzo to 2 more medical groups.
Does Dr. Stephen Vincent Dimarzo accept Medicare?
Yes. CMS data shows Dr. Dimarzo billed Medicare for 133 services in 2023, and Dr. Dimarzo accepts Medicare assignment.
Is Dr. Stephen Vincent Dimarzo board certified?
Yes. Dr. Dimarzo is board certified in obstetrics & gynecology by the American Board of Obstetrics and Gynecology.
What services does Dr. Stephen Vincent Dimarzo bill to Medicare?
In 2023, Dr. Dimarzo's most billed Medicare services were medicare service (G0101), ultrasound (76856) and office visit, established patient (99212).
Show 5 more questionsShow fewer questions
Where did Dr. Stephen Vincent Dimarzo go to medical school?
Dr. Dimarzo graduated from University of Rochester Medical Center in 1980.
What drugs does Dr. Stephen Vincent Dimarzo prescribe most?
In 2024 Medicare Part D data, Dr. Dimarzo's most prescribed drugs by claims were Estradiol.
Has Dr. Stephen Vincent Dimarzo received payments from drug or device companies?
CMS Open Payments shows $3,233 in general payments to Dr. Dimarzo from 35 companies from 2016 to 2024. The largest total came from Organon LLC.
How long has Dr. Stephen Vincent Dimarzo been practicing?
Dr. Dimarzo graduated from medical school in 1980, 46 years ago.
What insurance does Dr. Stephen Vincent Dimarzo accept?
Dr. Dimarzo is in network with 6 carriers, including Blue Cross Blue Shield of Michigan, United Healthcare and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.
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