Jennifer Hung, D.O.
Internal Medicine Physician · Santa Rosa, CA
Jennifer Hung, D.O. is an internal medicine physician with a practice address in Santa Rosa, California, and NPI 1528118395, issued on Jan 11, 2007. Check the license (California 20A8642, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Jennifer Hung
- Credential
- D.O.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 20A8642 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2240 Mercury Way, Santa Rosa, CA 95407
- Phone
- (707) 687-6125
- Enumerated
- Jan 11, 2007
- Record last updated
- Apr 2, 2024
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 2240 Mercury Way
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Jennifer Hung in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A8642Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.6 times the Medicare Part D claims of the average internal medicine physician in 2024
8,298 Medicare Part D claims for 1,210 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 546 claims were for opioids.
Most prescribed
- Atorvastatin Calcium708 claims
- Lisinopril336 claims
- Levothyroxine Sodium306 claims
- Amlodipine Besylate282 claims
- Hydrocodone-Acetaminophen276 claims
- Losartan Potassium262 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: $245.01
2 payments; by number, the most common kind was food and beverage; the largest payer was Shionogi Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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.
Jennifer Hung among 17,696 internal medicine physician records in California
Jennifer Hung, D.O. is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 44% of them.
- NPI issued2007 · 44% of these records are older, 44% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2024 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
98 internal medicine physician records list a practice address in Santa Rosa
They are 98 of the 6,884 NPPES records with a practice address in Santa Rosa, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Santa Rosa → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Stephen Sheerin, M.D.Santa Rosa, CA 954071265427207
- Soheila Benrazavi, MDSanta Rosa, CA 954051003339722
- Sanyogeeta Bhaway, M.D.Santa Rosa, CA 954051275828162
- Asia DowningSanta Rosa, CA 954051316365265
- Derek Gong, M.D.Santa Rosa, CA 954091184671513
- Anh Hoang, DOSanta Rosa, CA 954051114380581
- Siddharth Hublikar, MDSanta Rosa, CA 954051912133646
- Naseer JameelSanta Rosa, CA 954051518378413
Common questions
What is Jennifer Hung, D.O.'s NPI number?
Jennifer Hung, D.O.'s National Provider Identifier (NPI) is 1528118395, issued on Jan 11, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Jennifer Hung, D.O. located?
The NPPES record lists a practice address at 2240 Mercury Way, Santa Rosa, CA, 95407. Phone: (707) 687-6125. Providers update this record themselves, so call before visiting.
How can I verify Jennifer Hung, D.O.'s license?
NPPES lists California license number 20A8642, 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 Jennifer Hung, D.O. prescribe under Medicare Part D?
In 2024, Jennifer Hung, D.O. had 8,298 Medicare Part D claims for 1,210 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.