Dr. Jim S. Chomchai, MD

  • Baldwin Park, CA
  • Psychiatrist
NPI1770650616PAC ID1355318726
Part D claims, 2024
1,200
Publications
2
Hospital affiliations
1
Medical group
1
Insurance carriers
2
Practice address
1011 Baldwin Park Blvd, Baldwin Park, CA 91706
Practice phone
Call (626) 851-1011
Professional email
Get professional email
Personal email
Get personal email
Mobile number
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Social profiles

Primary practice

Kaiser Permanente Baldwin Park Medical Center

Hospital · Baldwin Park, California

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Dr. Jim S. Chomchai is a psychiatrist in Baldwin Park, California

Dr. Chomchai practices at Kaiser Permanente Baldwin Park Medical Center in Baldwin Park, California, part of Kaiser Permanente.

Dr. Chomchai's NPI, 1770650616, was assigned on November 29, 2006. Dr. Chomchai graduated from Wayne State University School Of Medicine in 1997. Dr. Chomchai holds California license A81600.

NPI and contact details
Medicare PAC ID
1355318726
NPI enumeration date
November 29, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(626) 851-1011
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Male
Estimated age
55
Medical school graduation
1997

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Jim S. Chomchai practices at Kaiser Permanente Baldwin Park Medical Center in Baldwin Park, California

Dr. Chomchai's primary practice is Kaiser Permanente Baldwin Park Medical Center, at 1011 Baldwin Park Blvd, Baldwin Park, CA 91706 in Los Angeles County. The practice phone is (626) 851-1011.

Source: Dmand AI Affiliation Data

Dr. Jim S. Chomchai is affiliated with 1 site of care and 1 medical group

Dr. Chomchai's primary practice is Kaiser Permanente Baldwin Park Medical Center in Baldwin Park, California, part of Kaiser Permanente. The medical group on file is Southern California Permanente Medical Group.

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Jim S. Chomchai's practice

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

EHR by site
SiteEHR vendor and product
Kaiser Permanente Baldwin Park Medical CenterAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dr. Jim S. Chomchai is one of 6,803 psychiatrists in California

Psychiatry is Dr. Chomchai's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dmand AI has Dr. Chomchai's licenses on file in 2 states: California and Texas.

Specialties and state licenses

  • Psychiatry, CaliforniaPrimaryLicense A81600 · 2003 to 2027 · taxonomy 2084P0800X
  • Texas license1998 to 2003

Clinical focus

Dmand AI lists bipolar disorder among the conditions Dr. Chomchai treats.

Psychiatrists near Dr. Chomchai

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. Jim S. Chomchai's patients have a median age of 37

Across all payers, Dmand AI patient panel data puts Dr. Chomchai's median patient age at 37, with 54% women.

Dr. Chomchai's patients across all payers

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

Patient panel by age, all payers

Median age 37

Patient panel by sex, all payers

  • Women54%
  • Men46%

Source: Dmand AI Patient Panel Data

Dr. Jim S. Chomchai wrote 1,200 Medicare Part D claims in 2024

In 2024, Dr. Chomchai wrote 1,200 Medicare Part D claims for 157 patients. 98% of them were for generic drugs. CMS names the drug for 1,128 of them, across 28 drugs with 11 or more claims each, at $94,264 in total drug cost. In 2023, CMS named 1,089 claims across 26 drugs.

Part D claims, 20241,200
Drugs named by CMS28
Total drug cost$94,264
Part D patients157

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

  • Generic1,176 claims98%
  • Brand-name24 claims2%

Dr. Chomchai'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 Dr. Chomchai's Part D claims, 2024

  • Antipsychotics, patients 65 and over8%91 of 1,200 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: 1,0892024: 1,1284%

Drugs named by CMS: 28 in 2024, 26 in 2023.

See all prescribing by Dr. Chomchai

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. Jim S. Chomchai takes part in Medicare

Dr. Chomchai 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. Jim S. Chomchai has 2 publications on record

Dmand AI links 2 papers to Dr. Chomchai.

Papers2

Recent publications by Dr. Chomchai

See all 2 publications and co-authors

See who Dr. Chomchai researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Chomchai works with, so you can find a warm path to the right psychiatrists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Jim S. Chomchai graduated from Wayne State University School Of Medicine

Dr. Chomchai graduated from Wayne State University School Of Medicine in 1997.

  1. Medical schoolWayne State University School Of Medicine

Source: Dmand AI Professional Profile Data

Dr. Jim S. Chomchai accepts plans from 2 insurance carriers

Dr. Chomchai 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. Chomchai accepts, by number of carriers

  1. EPO1
  2. HMO1
  3. Medicare1
  4. POS1

Source: Dmand AI Insurance Network Data

Sources for Dr. Jim S. Chomchai'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 phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand 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)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network 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 Dr. Jim S. Chomchai

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. Jim S. Chomchai's NPI number?

Dr. Jim S. Chomchai's NPI number is 1770650616. It was assigned on November 29, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Jim S. Chomchai?

Dr. Jim S. Chomchai is a psychiatrist in Baldwin Park, California. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).

Where does Dr. Jim S. Chomchai practice?

Dr. Chomchai practices at 1011 Baldwin Park Blvd, Baldwin Park, CA 91706. Dr. Chomchai's primary practice is Kaiser Permanente Baldwin Park Medical Center in Baldwin Park, California, part of Kaiser Permanente.

What is Dr. Jim S. Chomchai's office phone number?

The practice phone on file for Dr. Chomchai is (626) 851-1011.

What is Dr. Jim S. Chomchai's medical license number?

Dr. Chomchai holds California license A81600, one of the licenses on file in 2 states.

Which states has Dr. Jim S. Chomchai been licensed in?

Dmand AI has state licenses on file for Dr. Chomchai in California (2003 to 2027) and Texas (1998 to 2003).

Which hospitals is Dr. Jim S. Chomchai affiliated with?

Dr. Chomchai practices at Kaiser Permanente Baldwin Park Medical Center in Baldwin Park, California.

What medical group is Dr. Jim S. Chomchai part of?

Dr. Chomchai is linked to Southern California Permanente Medical Group.

Does Dr. Jim S. Chomchai accept Medicare?

Yes. CMS lists Dr. Chomchai as accepting Medicare assignment.

Where did Dr. Jim S. Chomchai go to medical school?

Dr. Chomchai graduated from Wayne State University School Of Medicine in 1997.

Show 4 more questionsShow fewer questions

What drugs does Dr. Jim S. Chomchai prescribe most?

In 2024 Medicare Part D data, Dr. Chomchai's most prescribed drugs by claims were Trazodone HCl, Quetiapine Fumarate and Sertraline HCl.

How long has Dr. Jim S. Chomchai been practicing?

Dr. Chomchai graduated from medical school in 1997, 29 years ago.

Does Dr. Jim S. Chomchai do research?

Dmand AI links 2 publications to Dr. Chomchai.

What insurance does Dr. Jim S. Chomchai accept?

Dr. Chomchai 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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