Eric Tien Yen Chyn, M.D.
Geriatric Medicine (Internal Medicine) Physician · Newark, NJ
Eric Tien Yen Chyn, M.D. is a geriatric medicine (internal medicine) physician with a practice address in Newark, New Jersey, and NPI 1962829127, issued on Mar 26, 2014. Check the license (New Jersey 25MA10879800, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Eric Tien Yen Chyn
- Credential
- M.D.
- Primary taxonomy
- Geriatric Medicine (Internal Medicine) Physician 207RG0300X
- License number
- 25MA10879800 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 90 Bergen St Ste 4200, Newark, NJ 07103
- Phone
- (973) 972-5672
- Enumerated
- Mar 26, 2014
- Record last updated
- Aug 14, 2023
- Fax
- (973) 972-4486
- Medicaid ID
- 2079465 WA
- Medicare enrollment
- Enrolled (PECOS I20201008002514); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest geriatric medicine (internal medicine) physician records → All 165 in New Jersey → Look up another NPI →
Verify Eric Tien Yen Chyn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Jersey State Board of Medical Examiners
Search for license 25MA10879800Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
24% fewer Medicare Part D claims than the average geriatric medicine (internal medicine) physician in 2024
3,244 Medicare Part D claims for 226 beneficiaries, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims. 31 claims were for opioids.
Most prescribed
- Atorvastatin Calcium261 claims
- Amlodipine Besylate181 claims
- Diclofenac Sodium135 claims
- Losartan Potassium123 claims
- Carvedilol107 claims
- Albuterol Sulfate Hfa90 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): 73.3 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).
Bills Medicare through one group practice
- University Physician Associates OF New Jersey IncNewark, NJ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Eric Tien Yen Chyn among 165 geriatric medicine (internal medicine) physician records in New Jersey
Eric Tien Yen Chyn, M.D. is one of 165 geriatric medicine (internal medicine) physician records with a practice address in New Jersey. 82% 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 85% of them.
- NPI issued2014 · 85% of these records are older, 12% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2013 · median 1996 among the 106 with a school on file
- Record last updated2023 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0300X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Geriatric Medicine (Internal Medicine) Physician providers in New Jersey
There are 165 geriatric medicine (internal medicine) physician records in New Jersey.
All 165 in New Jersey → Every provider in Newark → Geriatric Medicine (Internal Medicine) Physician nationwide →
The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes
- Diana Decosimo, M.D.Newark, NJ 071031962437731
- Eloy Ruiz Mendoza, MDNewark, NJ 071031881207454
- Kye Chun, DOBelleville, NJ 071091356371819
- Marie Esterlin, AGNPBelleville, NJ 071091093522823
- James James, M.D.Newark, NJ 071121689105975
- Florence Eatman, M.D.South Orange, NJ 070791942252374
- Roland Losos, MDLyndhurst, NJ 070711124282033
- Avi Factor, M.D.Passaic, NJ 070551477884724
Common questions
What is Eric Tien Yen Chyn, M.D.'s NPI number?
Eric Tien Yen Chyn, M.D.'s National Provider Identifier (NPI) is 1962829127, issued on Mar 26, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Eric Tien Yen Chyn, M.D. located?
The NPPES record lists a practice address at 90 Bergen St Ste 4200, Newark, NJ, 07103. Phone: (973) 972-5672. Providers update this record themselves, so call before visiting.
How can I verify Eric Tien Yen Chyn, M.D.'s license?
NPPES lists New Jersey license number 25MA10879800, as entered by the provider. Search the New Jersey State Board of Medical Examiners at https://newjersey.mylicense.com/verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Eric Tien Yen Chyn, M.D. prescribe under Medicare Part D?
In 2024, Eric Tien Yen Chyn, M.D. had 3,244 Medicare Part D claims for 226 beneficiaries; the average among geriatric medicine (internal medicine) physician prescribers was 4,246. Part D covers Medicare prescriptions only.
What is Eric Tien Yen Chyn, M.D.'s MIPS final score?
The 2023 MIPS final score is 73.3 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.