Dongfang Diana Yin, M.D.
Internal Medicine Physician · Wynnewood, PA
Dongfang Diana Yin, M.D. is an internal medicine physician with a practice address in Wynnewood, Pennsylvania, and NPI 1689692733, issued on Jul 17, 2006. Check the license (Pennsylvania MD-066380-L, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Dongfang Diana Yin
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MD-066380-L PA
Self-reported in NPPES; status is on the state search - Practice location
- 1445 City Line Ave, Wynnewood, PA 19096
- Phone
- (215) 473-8889
- Enumerated
- Jul 17, 2006
- Record last updated
- Sep 30, 2012 (not updated in 14 years: call before relying on the address or phone)
- Medicaid IDs
- 8011800 NJ
001722584 PA - Medicare enrollment
- Enrolled (PECOS I20050124000625); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,300 in Pennsylvania → Look up another NPI →
Also registered at 1445 City Line Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Samia Reeves, M. ED., NCCSchool Counselor1932971785
Verify Dongfang Diana Yin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD-066380-LCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
46% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,703 Medicare Part D claims for 102 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 99 claims were for opioids.
Most prescribed
- Amlodipine Besylate118 claims
- Atorvastatin Calcium90 claims
- Metoprolol Succinate73 claims
- Gabapentin68 claims
- Furosemide63 claims
- Simvastatin62 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.
Dongfang Diana Yin among 7,300 internal medicine physician records in Pennsylvania
Dongfang Diana Yin, M.D. is one of 7,300 internal medicine physician records with a practice address in Pennsylvania. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 64% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated1987 · median 2008 among the 4,208 with a school on file
- Record last updated2012 · 56% 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 Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
150 internal medicine physician records list a practice address in Wynnewood
They are 150 of the 1,246 NPPES records with a practice address in Wynnewood, and 7,300 internal medicine physician records in Pennsylvania.
All 7,300 in Pennsylvania → Every provider in Wynnewood → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- M Susan Burke, MDWynnewood, PA 190961083694442
- David Cohen, MDWynnewood, PA 190961215908645
- Donald Corey, MDWynnewood, PA 190961245201706
- Daniel Lazowick, DOWynnewood, PA 190961063483527
- William Miller, M.D.Wynnewood, PA 190961801850060
- James Morris, MDWynnewood, PA 190961912979923
- John Nansteel, MDWynnewood, PA 190961558333583
- Colleen O'Connor, MDWynnewood, PA 190961922087154
Common questions
What is Dongfang Diana Yin, M.D.'s NPI number?
Dongfang Diana Yin, M.D.'s National Provider Identifier (NPI) is 1689692733, issued on Jul 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Dongfang Diana Yin, M.D. located?
The NPPES record lists a practice address at 1445 City Line Ave, Wynnewood, PA, 19096. Phone: (215) 473-8889. Providers update this record themselves, so call before visiting.
How can I verify Dongfang Diana Yin, M.D.'s license?
NPPES lists Pennsylvania license number MD-066380-L, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Dongfang Diana Yin, M.D. prescribe under Medicare Part D?
In 2024, Dongfang Diana Yin, M.D. had 1,703 Medicare Part D claims for 102 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.