OB-GYNs in Modesto, CA

  • Obstetrics and gynecology
  • Modesto, California
OB-GYNs
48
Linked to a hospital or group
42
Hospitals with an OB-GYN
12
Medical groups with an OB-GYN
24
Practice at a hospital
29

There are 48 OB-GYNs in Modesto. Greater Modesto Medical Surgical Associates has the most, 12, and Doctors Medical Center Modesto has the most affiliated OB-GYNs, 11. 53% finished medical school 30 or more years ago.

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Modesto OB-GYNs, listed A to Z by last name

Each OB-GYN on the list has obstetrics and gynecology as their primary specialty and a Modesto practice address. The list shows the NPI, and how many hospitals and medical groups each one practices with. A free account names every hospital and group, with validated contacts.

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Sort and filter all 48 Modesto OB-GYNs by hospital, medical group, the EHR they use and Medicare volume in Dmand AI.

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Modesto OB-GYNs, A to Z
OB-GYNHospitalsMedical groupsEmail and phone
Rocio Acera Pozzi, MDNPI 16193107371 hospital2 groupsContacts
Robert J. Altman, MDNPI 14472008601 hospital1 groupContacts
Brian R. Bigelow, MDNPI 1033297940-1 groupContacts
Noel G. Del Mundo, MDNPI 12453198051 hospital2 groupsContacts
Hanh-Nguyen Do, MDNPI 10039073382 hospitals5 groupsContacts
Larry L. Erickson, MDNPI 1437195674-1 groupContacts
Fredric Warren Feist Jr., MDNPI 15280317051 hospital-Contacts
Aisha Sabeerau Golaub, MDNPI 11347481891 hospital2 groupsContacts
Christopher M. Grover, MDNPI 10331922321 hospital4 groupsContacts
Nicholas Holt Hopkins, MDNPI 1528414133-1 groupContacts
Sabrina Jabeen Hussain, MDNPI 16290839021 hospital6 groupsContacts
Mark Matthew Jacobs, MDNPI 1679533186--Contacts
Nickey Jafari, MD, MPHNPI 11044891372 hospitals1 groupContacts
Eduardo Malvin Bueno Lacuna Jr., MDNPI 12252163932 hospitals3 groupsContacts
Lloyd James Lee Sr., MDNPI 13361343032 hospitals4 groupsContacts
Larry J. Lo, MDNPI 12058508642 hospitals1 groupContacts
Joseph Sami Mansour, MDNPI 16796684201 hospital6 groupsContacts
Mykenzie Lauren Mattheis, DONPI 19922664641 hospital2 groupsContacts
Roopa Meda, MDNPI 15686602562 hospitals1 groupContacts
Bhagya Nakka, MDNPI 16997804941 hospital2 groupsContacts
Nneoma Nwachuku Ojiaku, MDNPI 18113352351 hospital2 groupsContacts
John Charles Pfeffer, MDNPI 1851456602-1 groupContacts
Susan Rose Podolsky, MDNPI 10139748151 hospital1 groupContacts
Jon E. Pont, MDNPI 19129572592 hospitals1 groupContacts
Kaylee Grace Potter, DONPI 17206644691 hospital1 groupContacts
Casey Elizabeth RichardsonNPI 11244188351 hospital2 groupsContacts
Kevin E. Rine, FACOG, MDNPI 18412566331 hospital4 groupsContacts
Carson Daniel Rodeffer, MDNPI 1679923387-2 groupsContacts
Wilson Saif Sawa, MDNPI 12159723772 hospitals2 groupsContacts
Sam T. Scaling, MDNPI 1720159155-1 groupContacts
Fadel Shammout, MDNPI 11242055393 hospitals2 groupsContacts
Catherine Sook Song, MDNPI 1548255888-2 groupsContacts
Robert Charles Southmayd, DONPI 1982700969-2 groupsContacts
Preeti J. Srivatsa, MDNPI 1659326775-3 groupsContacts
Matthew Laurence Tilstra, MDNPI 12355766382 hospitals2 groupsContacts
Esther June Tow-Der, MDNPI 14270080281 hospital1 groupContacts
Rachna Vanjani, MDNPI 1508165754-4 groupsContacts
Shamsi M. Vatannia, MDNPI 1790863280-6 groupsContacts
Samantha Kay Wagner, MDNPI 16195572042 hospitals2 groupsContacts
Ronald Gene Weakley, MDNPI 1730136011-1 groupContacts
Michael S. Weiner, MDNPI 1629169230-1 groupContacts
Randy Donnell Winter, MDNPI 14776182211 hospital-Contacts
James Yuen Kuen Yip, MDNPI 1619929429-1 groupContacts

The list shows the 43 OB-GYNs with a public profile. The other 5 are counted in the total and searchable with a free account.

Sources: NPPES NPI Registry (CMS) and Dmand AI Affiliation Data

For health IT teams

Find Modesto OB-GYNs by the EHR they use

Dmand AI has the EHR for 39 of 48 Modesto OB-GYNs, at their hospital and their practice. Filter by Epic, Oracle Health, MEDITECH, athenahealth and more, then reach them with validated work emails and mobile numbers.

Greater Modesto Medical Surgical Associates has the most OB-GYNs in Modesto, with 12

Doctors Medical Center Modesto has the most affiliated OB-GYNs in Modesto, with 11

Memorial Medical Center is second with 9, and Central Valley Specialty Hospital third with 7. Modesto OB-GYNs are affiliated with 12 hospitals in all.

Hospitals with the most OB-GYNs in Modesto
#HospitalHealth systemOB-GYNs
1Doctors Medical Center ModestoModestoTenet Healthcare11
2Memorial Medical CenterModestoSutter Health9
3Central Valley Specialty HospitalModestoCentral Valley Specialty Hospital7
4Sutter Tracy Community HospitalTracySutter Health2
5Adventist Health Lodi MemorialLodiAdventist Health2
6Dignity Health - St. Joseph's Medical CenterStocktonCommonSpirit Health1
7San Joaquin General HospitalFrench CampCounty of San Joaquin1
8John Muir Medical Center, Walnut CreekWalnut CreekJohn Muir Health1
9Washington HealthFremontWashington Health1
10Adventist Health BakersfieldBakersfieldAdventist Health1

Top 10 of 12 Modesto hospitals with an affiliated OB-GYNAll 5 Modesto hospitals

See every hospital and group for each Modesto OB-GYN

Each public profile names one place an OB-GYN practices. A free account shows all of them, with the employer, the EHR and validated contacts.

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Source: Dmand AI Affiliation Data

Group practices and clinics are the most common site of care for Modesto OB-GYNs, with 29

29 also practice at hospitals, and 5 at an ambulatory surgery center. An OB-GYN can practice at several kinds of site, so the shares overlap.

Modesto OB-GYNs by site of care

  1. Medical group practices29
  2. Hospitals29
  3. Ambulatory surgery centers5
  4. FQHCs3

Sources: Dmand AI Affiliation Data and Dmand AI Practice Data

53% of Modesto OB-GYNs finished medical school 30 or more years ago

20 of the 38 Modesto OB-GYNs with a graduation year on file. 5 graduated in the last 10 years, fewer than graduated 40 or more years ago.

Physicians by years since medical school

  1. Under 10 years ago5
  2. 10 to 19 years ago7
  3. 20 to 29 years ago6
  4. 30 to 39 years ago11
  5. 40 or more years ago9

Source: Dmand AI Professional Profile Data

Every Modesto OB-GYN profile shows current hospitals and groups, Medicare activity and NPI details

  • Primary practiceThe main place they practice, with its type and cityOn every profile
  • Every site of careEach hospital, clinic and group where they practice nowWith a free account
  • EmployerThe organization they work for, when one is on fileWith a free account
  • Medicare servicesServices and procedure codes billed to Medicare, from CMSOn every profile
  • Medicare Part D prescribingClaims and drug costs from Part D, from CMSOn every profile
  • Industry paymentsPayments from drug and device makers, from CMS Open PaymentsOn every profile
  • Publications and clinical trialsResearch papers and trials linked to the NPI, when on fileOn every profile
  • Licenses and graduation yearState license numbers and medical school graduation yearOn every profile
  • NPI detailsNPI, enumeration date, primary taxonomy and practice addressOn every profile
  • Work email and mobile numberFound on request through healthcare waterfall enrichment, then validatedWith a free account
  • EHR in useThe EHR at each site where they practiceWith a free account
  • Colleagues at each siteThe clinicians they work with at each hospital and groupWith a free account

Free account: 30 days free, self-serve, no credit card.

Sources: NPPES NPI Registry (CMS), Medicare Physician & Other Practitioners (CMS), Open Payments (CMS) and Dmand AI Affiliation Data

Sources for the Modesto OB-GYN directory

Sources for the data on this page
Data on this pageSource
HCPs, types and specialtiesNPPES NPI Registry (CMS) and Dmand AI Professional Profile Data
Sites of care, hospitals and medical groupsDmand AI Affiliation Data
Medical school graduation yearDmand AI Professional Profile Data

Data last refreshed October 2026Report an inaccuracyRemove my information

OB-GYNs are HCPs whose primary specialty is obstetrics and gynecology (taxonomy code 207V00000X), with an active NPI and a Modesto practice address.

FAQ

Frequently asked questions about OB-GYNs in Modesto

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

How many OB-GYNs are in Modesto?

48 OB-GYNs have an active NPI, a Modesto practice address and obstetrics and gynecology (taxonomy code 207V00000X) as their primary specialty. 42 of them are linked to a hospital or medical group.

Which Modesto medical groups have the most OB-GYNs?

Greater Modesto Medical Surgical Associates, with 12, followed by Golden Valley Health Centers with 9 and Hera OB-GYN Medical Group with 9.

Which Modesto hospitals have the most OB-GYNs?

Doctors Medical Center Modesto, with 11 affiliated OB-GYNs, followed by Memorial Medical Center with 9 and Central Valley Specialty Hospital with 7.

What share of Modesto OB-GYNs practice at a hospital?

29 of the 41 Modesto OB-GYNs with a mapped site of care, or 71%, have a current hospital affiliation.

What is the taxonomy code for obstetrics and gynecology?

207V00000X is the NPPES taxonomy code for obstetrics and gynecology. Sub-specialties with their own code are counted on their own lists.

Dmand AI

Find the right contacts among Modesto OB-GYNs

Search 48 Modesto OB-GYNs by hospital, medical group and the EHR they use, with validated work emails and mobile numbers.

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