Jun Park, M.D.
Endocrinology, Diabetes & Metabolism Physician · Sacramento, CA
Jun Park, M.D. is an endocrinology, diabetes & metabolism physician with a practice address in Sacramento, California, and NPI 1043744279, issued on Apr 13, 2017. Check the license (California A169512, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Jun Park
- Credential
- M.D.
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- A169512 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4150 V Street, Pssb, Suite G400, Sacramento, CA 95817
- Phone
- (916) 734-8328
- Enumerated
- Apr 13, 2017
- Record last updated
- Dec 7, 2022
- Fax
- (651) 333-4227
- Medicare enrollment
- Enrolled (PECOS I20221028001553); accepts Medicare assignment
- Medical or professional school
- University Of Toledo College Of Medicine, 2017
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 1,131 in California → Look up another NPI →
Verify Jun Park in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A169512Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
60% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
1,065 Medicare Part D claims for 257 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 29% of claims.
Most prescribed
- Levothyroxine Sodium222 claims
- Methimazole215 claims
- Insulin Glargine-Yfgn64 claims
- Hydrocortisone49 claims
- Alendronate Sodium47 claims
- Humalog Kwikpen U-10047 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $55.31
1 payment: food and beverage; the largest payer was Corcept Therapeutics. The 5,661 providers of this specialty with any payment received $5,742.15 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Permanente Medical Group IncSacramento, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jun Park among 1,131 endocrinology, diabetes & metabolism physician records in California
Jun Park, M.D. is one of 1,131 endocrinology, diabetes & metabolism physician records with a practice address in California. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 89% of them.
- NPI issued2017 · 89% of these records are older, 8% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2017 · median 2003 among the 779 with a school on file
- Record last updated2022 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in California
There are 1,131 endocrinology, diabetes & metabolism physician records in California.
All 1,131 in California → Every provider in Sacramento → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Thomas Aoki, MDSacramento, CA 958171730151655
- Lars Berglund, MD PHDSacramento, CA 958171417929696
- Aili Guo, MDSacramento, CA 958171598822645
- Kent Ishihara, M.D.Sacramento, CA 958171679658280
- Siddika Karakas, M.D.Sacramento, CA 958171386629970
- Erin McCorry, M.D.Sacramento, CA 958171134495146
- James McMonagle, MDSacramento, CA 958171528174901
- Mark Moriwaki, M.D.Sacramento, CA 958171295716090
Common questions
What is Jun Park, M.D.'s NPI number?
Jun Park, M.D.'s National Provider Identifier (NPI) is 1043744279, issued on Apr 13, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Jun Park, M.D. located?
The NPPES record lists a practice address at 4150 V Street, Pssb, Suite G400, Sacramento, CA, 95817. Phone: (916) 734-8328. Providers update this record themselves, so call before visiting.
How can I verify Jun Park, M.D.'s license?
NPPES lists California license number A169512, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Jun Park, M.D. prescribe under Medicare Part D?
In 2024, Jun Park, M.D. had 1,065 Medicare Part D claims for 257 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.