Tiffany Jen, M.D.
Internal Medicine Physician · Rancho Mirage, CA
Tiffany Jen, M.D. is an internal medicine physician with a practice address in Rancho Mirage, California, and NPI 1649689464, issued on Aug 6, 2014. Check the license (California A133773, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Tiffany Jen
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A133773 CA
Self-reported in NPPES; status is on the state search - Practice location
- 39000 Bob Hope Dr, Rancho Mirage, CA 92270
- Phone
- (760) 834-7970
- Enumerated
- Aug 6, 2014
- Record last updated
- Jun 14, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (760) 834-7971
- Medicare enrollment
- Enrolled (PECOS I20160629002309); accepts Medicare assignment
- Medical or professional school
- Temple University School Of Medicine, 2013
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 39000 Bob Hope Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Benedict Abaya, FNP-BC, FNP-CFamily Nurse Practitioner1417685462
- Mehrdad Abbasi, MDInternal Medicine Physician1477646776
- Ala Abojaradeh, MDStudent in an Organized Health Care Education/Training Program1316733900
- Naeem Abu-Shehab, M.D.Hospitalist Physician1134363252
- Roux Abubakar, MDHospitalist Physician1982223822
- Mohammad Abushehab, MDStudent in an Organized Health Care Education/Training Program1457293516
Verify Tiffany Jen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A133773Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.3 times the Medicare Part D claims of the average internal medicine physician in 2024
10,585 Medicare Part D claims for 972 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 152 claims were for opioids.
Most prescribed
- Levothyroxine Sodium724 claims
- Atorvastatin Calcium672 claims
- Losartan Potassium387 claims
- Amlodipine Besylate354 claims
- Omeprazole299 claims
- Lisinopril253 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 84.3 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
One hospital affiliation
- Eisenhower Medical CenterRancho Mirage, CA · Acute Care Hospitals4 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Tiffany Jen among 17,696 internal medicine physician records in California
Tiffany Jen, M.D. 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 2014, is newer than 74% of them.
- NPI issued2014 · 74% of these records are older, 24% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2013 · median 2004 among the 11,065 with a school on file
- Record last updated2016 · 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).
59 internal medicine physician records list a practice address in Rancho Mirage
They are 59 of the 1,600 NPPES records with a practice address in Rancho Mirage, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Rancho Mirage → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Syed Azam, M.D.Rancho Mirage, CA 922701811993454
- Maria I. Encarnita Garcia, M.D.Rancho Mirage, CA 922701871537977
- Russell Grant, M.D.Rancho Mirage, CA 922701922026533
- Joel Hirschberg, MDRancho Mirage, CA 922701962474650
- David Ko, MDRancho Mirage, CA 922701568405470
- Carlos Lopez, M.D.,M.P.H.Rancho Mirage, CA 922701003892894
- Hessam Mahdavi, MDRancho Mirage, CA 922701851393300
- Ravinderpal Mann, M.D.Rancho Mirage, CA 922701568480721
Common questions
What is Tiffany Jen, M.D.'s NPI number?
Tiffany Jen, M.D.'s National Provider Identifier (NPI) is 1649689464, issued on Aug 6, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Tiffany Jen, M.D. located?
The NPPES record lists a practice address at 39000 Bob Hope Dr, Rancho Mirage, CA, 92270. Phone: (760) 834-7970. Providers update this record themselves, so call before visiting.
How can I verify Tiffany Jen, M.D.'s license?
NPPES lists California license number A133773, 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 Tiffany Jen, M.D. prescribe under Medicare Part D?
In 2024, Tiffany Jen, M.D. had 10,585 Medicare Part D claims for 972 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Tiffany Jen, M.D.'s MIPS final score?
The 2023 MIPS final score is 84.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.