Cornelia W. Tan, MD
Internal Medicine Physician · Dallas, TX
Cornelia W. Tan, MD is an internal medicine physician with a practice address in Dallas, Texas, and NPI 1316948391, issued on Aug 2, 2005. Check the license (Texas J2363, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Cornelia W. Tan
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- J2363 TX
Self-reported in NPPES; status is on the state search - Practice location
- 303 E Overton RD, Dallas, TX 75216
- Phone
- (214) 266-4200
- Enumerated
- Aug 2, 2005
- Record last updated
- Dec 4, 2012 (not updated in 14 years: call before relying on the address or phone)
- Medicaid IDs
- 139120306 TX
139120312 TX
139120313 TX
139120308 TX - Medicare enrollment
- Enrolled (PECOS I20110222000854); accepts Medicare assignment
- Medical or professional school
- University Of Texas Medical School At Houston, 1991
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 9,175 in Texas → Look up another NPI →
Also registered at 303 E Overton RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Shonda Benton, FNP-CFamily Nurse Practitioner1932600590
- Jason Chau, PHARMDAmbulatory Care Pharmacist1366052185
- Sharon CoxRegistered Dietitian1356935977
- Deivapriya Durairaj, M.D.Family Medicine Physician1326160243
- Alma GarciaClinical Social Worker1114327269
- Arjumand Ghayas, MDFamily Medicine Physician1871737205
Verify Cornelia W. Tan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license J2363Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.2 times the Medicare Part D claims of the average internal medicine physician in 2024
10,310 Medicare Part D claims for 580 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims. 285 claims were for opioids.
Most prescribed
- Amlodipine Besylate694 claims
- Atorvastatin Calcium565 claims
- Gabapentin422 claims
- Metformin Hcl331 claims
- Ozempic325 claims
- Lisinopril270 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): 90.1 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
- Dallas County Hospital DistrictDallas, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Cornelia W. Tan among 9,175 internal medicine physician records in Texas
Cornelia W. Tan, MD is one of 9,175 internal medicine physician records with a practice address in Texas. 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 91% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1991 · median 2004 among the 6,088 with a school on file
- Record last updated2012 · 49% 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 Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
956 internal medicine physician records list a practice address in Dallas
They are 956 of the 36,304 NPPES records with a practice address in Dallas, and 9,175 internal medicine physician records in Texas.
All 9,175 in Texas → Every provider in Dallas → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- David Albracht, MDDallas, TX 752161952330466
- Susy Ayaram, M.D.Dallas, TX 752161548220031
- Shemsu Balker, M.D.Dallas, TX 752161871545293
- Sameer Chaudhry, MDDallas, TX 752161134135510
- Monicah Gichinga-Mugwe, MDDallas, TX 752161376581470
- An Ho, M.D.Dallas, TX 752161326068370
- George Ivanovskis, M.D.Dallas, TX 752161144295023
- Steven Lilly, MDDallas, TX 752161891727871
Common questions
What is Cornelia W. Tan, MD's NPI number?
Cornelia W. Tan, MD's National Provider Identifier (NPI) is 1316948391, issued on Aug 2, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Cornelia W. Tan, MD located?
The NPPES record lists a practice address at 303 E Overton RD, Dallas, TX, 75216. Phone: (214) 266-4200. Providers update this record themselves, so call before visiting.
How can I verify Cornelia W. Tan, MD's license?
NPPES lists Texas license number J2363, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Cornelia W. Tan, MD prescribe under Medicare Part D?
In 2024, Cornelia W. Tan, MD had 10,310 Medicare Part D claims for 580 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Cornelia W. Tan, MD's MIPS final score?
The 2023 MIPS final score is 90.1 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.