Dr. John A. Keegan, DO

  • Stockton, CA
  • OB-GYN
NPI1932281763
Medicare services, 2017
12
Part D claims, 2024
49
Hospital affiliations
1
Industry payments
$205
Medical groups
3
Practice address
7373 West Ln, Stockton, CA 95210
Practice phone
Call (209) 476-2000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Permanente Medical Group Inc

Stockton, California

See all 7 affiliations

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Dr. John A. Keegan is an OB-GYN in Stockton, California

Dr. Keegan practices at Permanente Medical Group Inc in Stockton, California.

Dr. Keegan's NPI, 1932281763, was assigned on October 20, 2006. Dr. Keegan holds Minnesota license 60476.

NPI and contact details
NPI enumeration date
October 20, 2006
NPI status
Active
Practice phone
(209) 476-2000
Professional email
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Personal email
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Mobile number
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Sex
Male

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data

Dr. John A. Keegan practices at Permanente Medical Group Inc in Stockton, California

Dr. Keegan'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 Inc
    7373 West Ln, Stockton, CA 95210 · San Joaquin CountyPhone(209) 476-2000

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

Dr. John A. Keegan is affiliated with 4 sites of care and 3 medical groups

Dr. Keegan's primary practice is Permanente Medical Group Inc in Stockton, California. Dr. Keegan is also affiliated with Aspirus Stevens Point Hospital. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Dr. Keegan to 2 more group practices and clinics and 2 medical groups, each named with a free account.

See all 7 affiliations for Dr. Keegan

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

Dmand AI tracks the EHR system at Dr. John A. Keegan's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Keegan practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Permanente Medical Group IncAvailable with a free account
+3 more sites and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. John A. Keegan is one of 4,642 OB-GYNs in California

Obstetrics and gynecology is Dr. Keegan's primary specialty in the NPI Registry, under taxonomy code 207V00000X. Dmand AI has Dr. Keegan's licenses on file in 2 states: Minnesota and Wisconsin.

Specialties and state licenses

  • Obstetrics and gynecology, MinnesotaPrimaryLicense 60476 · taxonomy 207V00000X
  • Wisconsin licenseLicense 40890

OB-GYNs near Dr. Keegan

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. John A. Keegan billed Medicare for 12 services in 2017

CMS data shows 12 Medicare services from Dr. Keegan across 1 procedure code in 2017, all of them office visits. Medicare paid $861 for them. Every service was in an office.

Medicare services, 201712
Paid by Medicare$861
Procedure codes1

Dr. Keegan compared with the California median for OB-GYNs, 2017

  • Dr. Keegan
  • California median
Medicare services
12vs 5879% below
Part D claims
22vs 3537% below

Medians across 3,823 OB-GYNs in California with Dmand AI profiles that report each measure.

Dr. Keegan's most billed Medicare procedure codes, 2017

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Keegan

Need commercial claims for Dr. Keegan?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Keegan and other OB-GYNs in California.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. John A. Keegan's patients have a median age of 34

Across all payers, Dmand AI patient panel data puts Dr. Keegan's median patient age at 34, with 100% women.

Dr. Keegan's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 34

Patient panel by sex, all payers

  • Women100%
  • Men0%

Source: Dmand AI Patient Panel Data

Dr. John A. Keegan wrote 49 Medicare Part D claims in 2024

In 2024, Dr. Keegan wrote 49 Medicare Part D claims for 26 patients. 98% of them were for generic drugs. CMS names the drug for 22 of them, across 1 drug with 11 or more claims each, at $183 in total drug cost.

Part D claims, 202449
Drugs named by CMS1
Total drug cost$183
Part D patients26

Dr. Keegan's Part D claims by kind of drug, 2024

  • Generic48 claims98%
  • Brand-name and other1 claims2%

Dr. Keegan'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.

See all prescribing by Dr. Keegan

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. John A. Keegan received $205 in industry payments from 2016 to 2017

CMS Open Payments shows 6 general payments to Dr. Keegan from 4 drug and device companies from 2016 to 2017. Food and beverage make up the largest share, 100% of the total. Hologic Inc paid the most, $83.

General payments to Dr. Keegan by program year, 2016 to 2017

Companies that paid Dr. Keegan the most, 2016 to 2017

Share is of all general payments to this clinician.

See all payments to Dr. Keegan

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Dr. John A. Keegan's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare 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)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. John A. Keegan

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. John A. Keegan's NPI number?

Dr. John A. Keegan's NPI number is 1932281763. It was assigned on October 20, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. John A. Keegan?

Dr. John A. Keegan is an OB-GYN in Stockton, California. The primary specialty in the NPI Registry is Obstetrics & Gynecology Physician (taxonomy code 207V00000X).

Where does Dr. John A. Keegan practice?

Dr. Keegan practices at 7373 West Ln, Stockton, CA 95210. Dr. Keegan's primary practice is Permanente Medical Group Inc in Stockton, California. Dmand AI also links Dr. Keegan to 2 group practices and clinics and 2 medical groups.

What is Dr. John A. Keegan's office phone number?

The practice phone on file for Dr. Keegan is (209) 476-2000.

What is Dr. John A. Keegan's medical license number?

Dr. Keegan holds Minnesota license 60476, one of the licenses on file in 2 states.

Which states has Dr. John A. Keegan been licensed in?

Dmand AI has state licenses on file for Dr. Keegan in Minnesota and Wisconsin.

Which hospitals is Dr. John A. Keegan affiliated with?

Dr. Keegan is affiliated with Aspirus Stevens Point Hospital.

What medical group is Dr. John A. Keegan part of?

Dr. Keegan is linked to The Permanente Medical Group, Inc. Dmand AI links Dr. Keegan to 2 more medical groups.

Does Dr. John A. Keegan accept Medicare?

Yes. CMS data shows Dr. Keegan billed Medicare for 12 services in 2017.

What services does Dr. John A. Keegan bill to Medicare?

In 2017, Dr. Keegan's most billed Medicare services were office visit, new patient (99203).

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What drugs does Dr. John A. Keegan prescribe most?

In 2024 Medicare Part D data, Dr. Keegan's most prescribed drugs by claims were Triamcinolone Acetonide.

Has Dr. John A. Keegan received payments from drug or device companies?

CMS Open Payments shows $205 in general payments to Dr. Keegan from 4 companies from 2016 to 2017. The largest total came from Hologic Inc.

How long has Dr. John A. Keegan been practicing?

Dr. Keegan's NPI was assigned in 2006.

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