Dr. Jeffrey A. Davis, MD
- Part D claims, 2024
- 731
- Industry payments
- $119
- Medical group
- 1
- Insurance carriers
- 2
- State licenses
- 2
- Practice address
- 9965 Sierra Ave, Fontana, CA 92335
- Practice phone
- Call (909) 427-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Kaiser Permanente - Fontana Medical Center
Fontana, California
Find Dr. Davis' professional email, personal email and mobile number
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Dr. Jeffrey A. Davis is a psychiatrist in Fontana, California
Dr. Davis practices at Kaiser Permanente - Fontana Medical Center in Fontana, California.
Dr. Davis' NPI, 1912055849, was assigned on January 8, 2007. Dr. Davis graduated from David Geffen School of Medicine at UCLA in 1990. Dr. Davis holds California license G73938.
- NPI
- 1912055849NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3678637808
- NPI enumeration date
- January 8, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (909) 427-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 62
- Medical school graduation
- 1990
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Jeffrey A. Davis practices at Kaiser Permanente - Fontana Medical Center in Fontana, California
Dr. Davis' primary practice is Kaiser Permanente - Fontana Medical Center, at 9965 Sierra Ave, Fontana, CA 92335 in San Bernardino County. The practice phone is (909) 427-5000.
- Kaiser Permanente - Fontana Medical Center9965 Sierra Ave, Fontana, CA 92335 · San Bernardino CountyPhone(909) 427-5000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Jeffrey A. Davis is affiliated with 1 site of care and 1 medical group
Dr. Davis' primary practice is Kaiser Permanente - Fontana Medical Center in Fontana, California. The medical group on file is Southern California Permanente Medical Group.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Jeffrey A. Davis' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Davis practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Kaiser Permanente - Fontana Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Jeffrey A. Davis is one of 6,803 psychiatrists in California
Psychiatry is Dr. Davis' primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Davis is board certified in psychiatry by the American Board of Psychiatry and Neurology. Dmand AI has Dr. Davis' licenses on file in 2 states: California and Pennsylvania.
Specialties and state licenses
- Psychiatry, CaliforniaPrimary
- Pennsylvania license
Clinical focus
Dmand AI lists ADHD, anxiety and tobacco use among the conditions Dr. Davis treats.
Psychiatrists near Dr. Davis
Counts of psychiatrists 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. Jeffrey A. Davis' patients have a median age of 42
Across all payers, Dmand AI patient panel data puts Dr. Davis' median patient age at 42, with 73% women.
Dr. Davis' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 42
Patient panel by sex, all payers
- Women73%
- Men27%
Source: Dmand AI Patient Panel Data
Dr. Jeffrey A. Davis wrote 731 Medicare Part D claims in 2024
In 2024, Dr. Davis wrote 731 Medicare Part D claims for 111 patients. 98% of them were for generic drugs. CMS names the drug for 627 of them, across 21 drugs with 11 or more claims each, at $12,962 in total drug cost. In 2023, CMS named 740 claims across 22 drugs.
Dr. Davis' Part D claims by kind of drug, 2024
- Generic718 claims98%
- Brand-name13 claims2%
Dr. Davis' 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 Dr. Davis' Part D claims, 2024
- Antipsychotics, patients 65 and over9%65 of 731 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 7402024: 62715%
Drugs named by CMS: 21 in 2024, 22 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. Jeffrey A. Davis takes part in Medicare
Dr. Davis accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Jeffrey A. Davis received $119 in industry payments in 2019
CMS Open Payments shows 1 general payment to Dr. Davis from 1 drug or device company in 2019. Food and beverage make up the largest share, 100% of the total. Allergan Inc. paid the most, $119.
Companies that paid Dr. Davis the most, 2019 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Jeffrey A. Davis has 1 award and honors on record
Dmand AI lists 1 award for Dr. Davis, most recently CMS Stage 1 2012 in 2011.
Awards and honors for Dr. Davis
- 2011
- CMS Stage 1 2012
Source: Dmand AI Professional Profile Data
Dr. Jeffrey A. Davis graduated from David Geffen School of Medicine at UCLA
Dr. Davis graduated from David Geffen School of Medicine at UCLA in 1990.
- Medical school
- Board certified in psychiatry
Source: Dmand AI Professional Profile Data
Dr. Jeffrey A. Davis accepts plans from 2 insurance carriers
Dr. Davis 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. Davis accepts, by number of carriers
- EPO1
- HMO1
- Medicare1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Jeffrey A. Davis'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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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. Jeffrey A. Davis
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. Jeffrey A. Davis' NPI number?
Dr. Jeffrey A. Davis' NPI number is 1912055849. It was assigned on January 8, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Jeffrey A. Davis?
Dr. Jeffrey A. Davis is a psychiatrist in Fontana, California. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Jeffrey A. Davis practice?
Dr. Davis practices at 9965 Sierra Ave, Fontana, CA 92335. Dr. Davis' primary practice is Kaiser Permanente - Fontana Medical Center in Fontana, California.
What is Dr. Jeffrey A. Davis' office phone number?
The practice phone on file for Dr. Davis is (909) 427-5000.
What is Dr. Jeffrey A. Davis' medical license number?
Dr. Davis holds California license G73938, one of the licenses on file in 2 states.
Which states has Dr. Jeffrey A. Davis been licensed in?
Dmand AI has state licenses on file for Dr. Davis in California (1992 to 2026) and Pennsylvania (1999 to 2002).
What medical group is Dr. Jeffrey A. Davis part of?
Dr. Davis is linked to Southern California Permanente Medical Group.
Does Dr. Jeffrey A. Davis accept Medicare?
Yes. CMS lists Dr. Davis as accepting Medicare assignment.
Is Dr. Jeffrey A. Davis board certified?
Yes. Dr. Davis is board certified in psychiatry by the American Board of Psychiatry and Neurology.
Where did Dr. Jeffrey A. Davis go to medical school?
Dr. Davis graduated from David Geffen School of Medicine at UCLA in 1990.
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What drugs does Dr. Jeffrey A. Davis prescribe most?
In 2024 Medicare Part D data, Dr. Davis' most prescribed drugs by claims were Duloxetine HCl, Sertraline HCl and Buspirone HCl.
Has Dr. Jeffrey A. Davis received payments from drug or device companies?
CMS Open Payments shows $119 in general payments to Dr. Davis from 1 company from 2019 to 2019. The largest total came from Allergan Inc.
How long has Dr. Jeffrey A. Davis been practicing?
Dr. Davis graduated from medical school in 1990, 36 years ago.
What insurance does Dr. Jeffrey A. Davis accept?
Dr. Davis 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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