Dr. William E. Probst, MD
- Part D claims, 2024
- 72
- Affiliated sites
- 1
- Medical group
- 1
- Insurance carriers
- 2
- State license
- 1
- Practice address
- 7373 West Ln, Stockton, CA 95210
- Practice phone
- Call (209) 476-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Permanente Medical Group Inc
Stockton, California
Find Dr. Probst'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. William E. Probst is an OB-GYN in Stockton, California
Dr. Probst practices at Permanente Medical Group Inc in Stockton, California.
Dr. Probst's NPI, 1407934391, was assigned on November 1, 2006. Dr. Probst graduated from UMKC School of Medicine in 1989. Dr. Probst holds California license G75094.
- NPI
- 1407934391NPI Registry (opens in a new tab)
- NPI enumeration date
- November 1, 2006
- NPI status
- Active
- Practice phone
- (209) 476-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 63
- Medical school graduation
- 1989
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. William E. Probst practices at Permanente Medical Group Inc in Stockton, California
Dr. Probst's primary practice is Permanente Medical Group Inc, at 7373 West Ln, Stockton, CA 95210 in San Joaquin County. The practice phone is (209) 476-2000.
- Permanente Medical Group Inc7373 West Ln, Stockton, CA 95210 · San Joaquin CountyPhone(209) 476-2000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. William E. Probst is affiliated with 2 sites of care and 1 medical group
Dr. Probst's primary practice is Permanente Medical Group Inc in Stockton, California. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Dr. Probst to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. William E. Probst's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Probst practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Permanente Medical Group Inc | 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. William E. Probst is one of 4,642 OB-GYNs in California
Obstetrics and gynecology is Dr. Probst's primary specialty in the NPI Registry, under taxonomy code 207V00000X. Dr. Probst is board certified in obstetrics & gynecology by the American Board of Obstetrics and Gynecology. Dr. Probst is licensed in California.
Specialties and state licenses
- Obstetrics and gynecology, CaliforniaPrimary
OB-GYNs near Dr. Probst
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. William E. Probst's patients have a median age of 31
Across all payers, Dmand AI patient panel data puts Dr. Probst's median patient age at 31, with 100% women.
Dr. Probst's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 31
Patient panel by sex, all payers
- Women100%
- Men0%
Source: Dmand AI Patient Panel Data
Dr. William E. Probst wrote 72 Medicare Part D claims in 2024
In 2024, Dr. Probst wrote 72 Medicare Part D claims for 49 patients. 82% of them were for generic drugs. CMS names the drug for 21 of them, across 1 drug with 11 or more claims each, at $922 in total drug cost. In 2023, CMS named 36 claims across 2 drugs.
Dr. Probst's Part D claims by kind of drug, 2024
- Generic59 claims82%
- Brand-name13 claims18%
Dr. Probst'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: 362024: 2142%
Drugs named by CMS: 1 in 2024, 2 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
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Dr. William E. Probst graduated from UMKC School of Medicine
Dr. Probst graduated from UMKC School of Medicine in 1989.
- Medical school
- Board certified in obstetrics & gynecology
Source: Dmand AI Professional Profile Data
Dr. William E. Probst accepts plans from 2 insurance carriers
Dr. Probst is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Kaiser Permanente
- CMS Medicare
Plan types Dr. Probst accepts, by number of carriers
- EPO1
- HMO1
- Medicare1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. William E. Probst'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 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) |
| 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. William E. Probst
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. William E. Probst's NPI number?
Dr. William E. Probst's NPI number is 1407934391. It was assigned on November 1, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. William E. Probst?
Dr. William E. Probst is an OB-GYN in Stockton, California. The primary specialty in the NPI Registry is Obstetrics & Gynecology Physician (taxonomy code 207V00000X).
Where does Dr. William E. Probst practice?
Dr. Probst practices at 7373 West Ln, Stockton, CA 95210. Dr. Probst's primary practice is Permanente Medical Group Inc in Stockton, California. Dmand AI also links Dr. Probst to 1 group practice or clinic.
What is Dr. William E. Probst's office phone number?
The practice phone on file for Dr. Probst is (209) 476-2000.
What is Dr. William E. Probst's medical license number?
Dr. Probst holds California license G75094.
What medical group is Dr. William E. Probst part of?
Dr. Probst is linked to The Permanente Medical Group, Inc.
Is Dr. William E. Probst board certified?
Yes. Dr. Probst is board certified in obstetrics & gynecology by the American Board of Obstetrics and Gynecology.
Where did Dr. William E. Probst go to medical school?
Dr. Probst graduated from UMKC School of Medicine in 1989.
What drugs does Dr. William E. Probst prescribe most?
In 2024 Medicare Part D data, Dr. Probst's most prescribed drugs by claims were Estradiol.
How long has Dr. William E. Probst been practicing?
Dr. Probst graduated from medical school in 1989, 37 years ago.
What insurance does Dr. William E. Probst accept?
Dr. Probst is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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