Keith A. Jeffrey, PA-C

  • Stockton, CA
  • Physician assistant
NPI1164461745
Part D claims, 2024
508
Hospital affiliations
2
Medical group
1
State license
1
Year NPI issued
2006
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 4 affiliations

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Keith A. Jeffrey is a physician assistant in Stockton, California

Keith Jeffrey practices at Permanente Medical Group Inc in Stockton, California.

Keith Jeffrey's NPI, 1164461745, was assigned on June 6, 2006. Keith Jeffrey holds California license PA16317.

NPI and contact details
NPI enumeration date
June 6, 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
Estimated age
51
Medical school graduation
2001

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

Keith A. Jeffrey practices at Permanente Medical Group Inc in Stockton, California

Keith Jeffrey'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

Keith A. Jeffrey is affiliated with 3 sites of care and 1 medical group

Keith Jeffrey's primary practice is Permanente Medical Group Inc in Stockton, California. Keith Jeffrey is also affiliated with Washington Health. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Keith Jeffrey to 1 more hospital, named with a free account.

See all 4 affiliations for Keith Jeffrey

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 Keith A. Jeffrey's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Keith Jeffrey practices, 2 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
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Keith A. Jeffrey is one of 11,482 physician assistants in California

Physician assistant is Keith Jeffrey's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Keith Jeffrey is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA). Keith Jeffrey is licensed in California.

Specialties and state licenses

  • Physician assistant, CaliforniaPrimaryLicense PA16317 · taxonomy 363A00000X

Physician assistants near Keith Jeffrey

Counts of physician assistants 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

Keith A. Jeffrey's patients have a median age of 67

Across all payers, Dmand AI patient panel data puts Keith Jeffrey's median patient age at 67, with 61% women.

Keith Jeffrey's patients across all payers

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

Patient panel by age, all payers

Median age 67

Patient panel by sex, all payers

  • Women61%
  • Men39%

Source: Dmand AI Patient Panel Data

Keith A. Jeffrey wrote 508 Medicare Part D claims in 2024

In 2024, Keith Jeffrey wrote 508 Medicare Part D claims for 140 patients. 95% of them were for generic drugs. CMS names the drug for 457 of them, across 7 drugs with 11 or more claims each, at $10,937 in total drug cost.

Part D claims, 2024508
Drugs named by CMS7
Total drug cost$10,937
Part D patients140

Keith Jeffrey's Part D claims by kind of drug, 2024

  • Generic481 claims95%
  • Brand-name27 claims5%

Keith Jeffrey'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.

Drug classes CMS tracks in Keith Jeffrey's Part D claims, 2024

  • Opioids29%147 of 508 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

See all prescribing by Keith Jeffrey

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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Keith A. Jeffrey is board certified in certified physician assistant

Keith Jeffrey is a member of AAPA.

  1. Board certified in certified physician assistantNational Commission on Certification of Physician Assistants (NCCPA)

Source: Dmand AI Professional Profile Data

Sources for Keith A. Jeffrey'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 DataDmand AI Org Hierarchy Data
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)
Training, board certification and membershipsDmand AI Professional Profile Data
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 Keith A. Jeffrey

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

What is Keith A. Jeffrey's NPI number?

Keith A. Jeffrey's NPI number is 1164461745. It was assigned on June 6, 2006, and it is active in the NPI Registry.

What does Keith A. Jeffrey specialize in?

Keith A. Jeffrey is a physician assistant in Stockton, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).

Where does Keith A. Jeffrey practice?

Keith Jeffrey practices at 7373 West Ln, Stockton, CA 95210. Keith Jeffrey's primary practice is Permanente Medical Group Inc in Stockton, California. Dmand AI also links Keith Jeffrey to 1 hospital.

What is Keith A. Jeffrey's office phone number?

The practice phone on file for Keith Jeffrey is (209) 476-2000.

What is Keith A. Jeffrey's medical license number?

Keith Jeffrey holds California license PA16317.

Which hospitals is Keith A. Jeffrey affiliated with?

Keith Jeffrey is affiliated with Washington Health. Dmand AI links Keith Jeffrey to 1 more hospital.

What medical group is Keith A. Jeffrey part of?

Keith Jeffrey is linked to The Permanente Medical Group, Inc.

Is Keith A. Jeffrey board certified?

Yes. Keith Jeffrey is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA).

What drugs does Keith A. Jeffrey prescribe most?

In 2024 Medicare Part D data, Keith Jeffrey's most prescribed drugs by claims were Oxycodone HCl, Ondansetron ODT and Naloxone HCl.

How long has Keith A. Jeffrey been practicing?

Keith Jeffrey graduated from medical school in 2001, 25 years ago.

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