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Dr. Jun Park, MD
NPI1043744279PAC ID4284905969
- Part D claims, 2024
- 1,065
- Publications
- 1
- Industry payments
- $986
- Affiliated sites
- 1
- Medical group
- 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
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Dr. Jun Park is an endocrinologist in Stockton, California
Dr. Park practices at Permanente Medical Group Inc in Stockton, California.
Dr. Park's NPI, 1043744279, was assigned on April 13, 2017. Dr. Park graduated from University of Toledo College of Medicine in 2017. Dr. Park holds California license A169512.
NPI and contact details
- NPI
- 1043744279NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4284905969
- NPI enumeration date
- April 13, 2017
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (209) 476-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 35
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Jun Park practices at Permanente Medical Group Inc in Stockton, California
Dr. Park'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. Jun Park is affiliated with 2 sites of care and 1 medical group
Dr. Park'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. Park to 1 more group practice or clinic, named with a free account.
Permanente Medical Group IncPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Jun Park's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Park 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. Jun Park is one of 1,062 endocrinologists in California
Endocrinology, diabetes and metabolism is Dr. Park's primary specialty in the NPI Registry, under taxonomy code 207RE0101X. Dr. Park is licensed in California.
Specialties and state licenses
- Endocrinology, diabetes and metabolism, CaliforniaPrimary
Endocrinologists near Dr. Park
Counts of endocrinologists 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. Jun Park's patients have a median age of 48
Across all payers, Dmand AI patient panel data puts Dr. Park's median patient age at 48, with 65% women.
Dr. Park's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 48
Patient panel by sex, all payers
- Women65%
- Men35%
Source: Dmand AI Patient Panel Data
Dr. Jun Park wrote 1,065 Medicare Part D claims in 2024
In 2024, Dr. Park wrote 1,065 Medicare Part D claims for 257 patients. 64% of them were for generic drugs. CMS names the drug for 917 of them, across 22 drugs with 11 or more claims each, at $116,311 in total drug cost. In 2023, CMS named 660 claims across 16 drugs.
Part D claims, 20241,065
Drugs named by CMS22
Total drug cost$116,311
Part D patients257
Dr. Park's Part D claims by kind of drug, 2024
- Generic677 claims64%
- Brand-name312 claims29%
- Other76 claims7%
Dr. Park'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: 6602024: 91739%
Drugs named by CMS: 22 in 2024, 16 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
Dr. Jun Park offers telehealth to Medicare patients
Dr. Park accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Park as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Jun Park has 1 publication on record
Dmand AI links 1 paper to Dr. Park in 2023.
Papers1
Recent publications by Dr. Park
See who Dr. Park researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Park works with, so you can find a warm path to the right endocrinologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Jun Park received $986 in industry payments from 2021 to 2025
CMS Open Payments shows 12 general payments to Dr. Park from 3 drug and device companies from 2021 to 2025. Food and beverage make up the largest share, 100% of the total. Corcept Therapeutics paid the most, $798.
General payments to Dr. Park by program year, 2021 to 2025
Companies that paid Dr. Park the most, 2021 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Jun Park graduated from University of Toledo College of Medicine
Dr. Park graduated from University of Toledo College of Medicine in 2017.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Jun Park'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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile 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. Jun Park
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. Jun Park's NPI number?
Dr. Jun Park's NPI number is 1043744279. It was assigned on April 13, 2017, and it is active in the NPI Registry.
What kind of doctor is Dr. Jun Park?
Dr. Jun Park is an endocrinologist in Stockton, California. The primary specialty in the NPI Registry is Endocrinology, Diabetes & Metabolism Physician (taxonomy code 207RE0101X).
Where does Dr. Jun Park practice?
Dr. Park practices at 7373 West Ln, Stockton, CA 95210. Dr. Park's primary practice is Permanente Medical Group Inc in Stockton, California. Dmand AI also links Dr. Park to 1 group practice or clinic.
What is Dr. Jun Park's office phone number?
The practice phone on file for Dr. Park is (209) 476-2000.
What is Dr. Jun Park's medical license number?
Dr. Park holds California license A169512.
What medical group is Dr. Jun Park part of?
Dr. Park is linked to The Permanente Medical Group, Inc.
Does Dr. Jun Park accept Medicare?
Yes. CMS lists Dr. Park as accepting Medicare assignment.
Does Dr. Jun Park offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Park as offering telehealth services.
Where did Dr. Jun Park go to medical school?
Dr. Park graduated from University of Toledo College of Medicine in 2017.
What drugs does Dr. Jun Park prescribe most?
In 2024 Medicare Part D data, Dr. Park's most prescribed drugs by claims were Levothyroxine Sodium, Methimazole and Insulin Glargine-Yfgn.
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Has Dr. Jun Park received payments from drug or device companies?
CMS Open Payments shows $986 in general payments to Dr. Park from 3 companies from 2021 to 2025. The largest total came from Corcept Therapeutics.
How long has Dr. Jun Park been practicing?
Dr. Park graduated from medical school in 2017, 9 years ago.
Does Dr. Jun Park do research?
Dmand AI links 1 publication to Dr. Park.
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