Tina Y. Ko, DO
Nephrology Physician · Pittsburgh, PA
Tina Y. Ko, DO is a nephrology physician with a practice address in Pittsburgh, Pennsylvania, and NPI 1437174323, issued on Jul 13, 2006. Check the license (Pennsylvania OS012345, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Tina Y. Ko
- Credential
- DO
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- OS012345 PA
Self-reported in NPPES; status is on the state search - Practice location
- 320 E North Ave FL 4, Pittsburgh, PA 15212
- Phone
- (412) 359-3319
- Enumerated
- Jul 13, 2006
- Record last updated
- Oct 9, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (412) 359-4136
- Medicaid ID
- 001895755 PA
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 651 in Pennsylvania → Look up another NPI →
Also registered at 320 E North Ave FL 4
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Barbara Clark, MDNephrology Physician1245230663
- Angela Conant, PA-CPhysician Assistant1558918946
- Janette Gomez, DOSurgery Physician1669891065
- Brian Kern, PA-CPhysician Assistant1376138974
- Patricia Khalil, MDNephrology Physician1457508699
- Arjun Lakshman, MBBSHematology & Oncology Physician1700376308
Verify Tina Y. Ko in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license OS012345Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
36% fewer Medicare Part D claims than the average nephrology physician in 2024
934 Medicare Part D claims for 160 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims.
Most prescribed
- Calcitriol162 claims
- Amlodipine Besylate68 claims
- Lisinopril51 claims
- Allopurinol46 claims
- Farxiga41 claims
- Jardiance38 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 MIPS final score for 2023 (Medicare payment program): 93.8 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Tina Y. Ko among 651 nephrology physician records in Pennsylvania
Tina Y. Ko, DO is one of 651 nephrology physician records with a practice address in Pennsylvania. 84% 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 15% of them.
- NPI issued2006 · 15% of these records are older, 51% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileNo · 72% of these records are
- Record last updated2020 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nephrology Physician providers in Pennsylvania
There are 651 nephrology physician records in Pennsylvania.
All 651 in Pennsylvania → Every provider in Pittsburgh → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Muhammad Rayan Alamiry, M.DPittsburgh, PA 152121699105957
- Swati AroraPittsburgh, PA 152121639304082
- Rozlyn Berty, MDPittsburgh, PA 152121275533002
- Barbara Carpenter, MDPittsburgh, PA 152121740272418
- Barbara Clark, MDPittsburgh, PA 152121245230663
- Reem Daloul, MDPittsburgh, PA 152121912295304
- Patricia Khalil, MDPittsburgh, PA 152121457508699
- Richard Marcus, MDPittsburgh, PA 152121942201132
Common questions
What is Tina Y. Ko, DO's NPI number?
Tina Y. Ko, DO's National Provider Identifier (NPI) is 1437174323, issued on Jul 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Tina Y. Ko, DO located?
The NPPES record lists a practice address at 320 E North Ave FL 4, Pittsburgh, PA, 15212. Phone: (412) 359-3319. Providers update this record themselves, so call before visiting.
How can I verify Tina Y. Ko, DO's license?
NPPES lists Pennsylvania license number OS012345, 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 Tina Y. Ko, DO prescribe under Medicare Part D?
In 2024, Tina Y. Ko, DO had 934 Medicare Part D claims for 160 beneficiaries; the average among nephrology physician prescribers was 1,465. Part D covers Medicare prescriptions only.
What is Tina Y. Ko, DO's MIPS final score?
The 2023 MIPS final score is 93.8 of 100. 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.