Mercedes Timko, M.D.
Family Medicine Physician · Radnor, PA
Mercedes Timko, M.D. is a family medicine physician with a practice address in Radnor, Pennsylvania, and NPI 1851550479, issued on Jun 9, 2008. Check the license (Pennsylvania MD437646, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Mercedes Timko
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- MD437646 PA
MT190115 PA
Self-reported in NPPES; status is on the state search - Practice location
- 250 King OF Prussia RD, Radnor, PA 19087
- Phone
- (610) 902-2450
- Enumerated
- Jun 9, 2008
- Record last updated
- Nov 4, 2011 (not updated in 15 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20100722000344); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 7,483 in Pennsylvania → Look up another NPI →
Also registered at 250 King OF Prussia RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Kristina Casadei, MDInternal Medicine Physician1669606026
- Nicole Czyzewski, DPTPhysical Therapist1043165616
Verify Mercedes Timko in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD437646Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average family medicine physician in 2024
307 Medicare Part D claims for 34 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Albuterol Sulfate Hfa22 claims
- Dexmethylphenidate Hcl Er18 claims
- Metformin Hcl15 claims
- Levocetirizine Dihydrochloride13 claims
- Nortriptyline Hcl11 claims
- Nystatin11 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): 86.8 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
- Clinical Care Associates OF The University OF Pennsylvania Health.Radnor, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mercedes Timko among 7,483 family medicine physician records in Pennsylvania
Mercedes Timko, M.D. is one of 7,483 family medicine physician records with a practice address in Pennsylvania. 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 2008, is newer than 54% of them.
- NPI issued2008 · 54% of these records are older, 43% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated2007 · median 2005 among the 4,529 with a school on file
- Record last updated2011 · 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 207Q00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
6 family medicine physician records list a practice address in Radnor
They are 6 of the 240 NPPES records with a practice address in Radnor, and 7,483 family medicine physician records in Pennsylvania.
All 7,483 in Pennsylvania → Every provider in Radnor → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Kyle Bardet, MDRadnor, PA 190871598128316
- Joanna Bell, MDWayne, PA 190871649215815
- David Bigley, DOWayne, PA 190871093391021
- Peter Edde, MDRadnor, PA 190871265471940
- Mitchell Kaminski, MDRadnor, PA 190871013060466
- Seth Koss, MDWayne, PA 190871124169966
- Philip Lieberman, MDWayne, PA 190871669979316
- Aaron Liu, M.D.Radnor, PA 190871811909948
Common questions
What is Mercedes Timko, M.D.'s NPI number?
Mercedes Timko, M.D.'s National Provider Identifier (NPI) is 1851550479, issued on Jun 9, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Mercedes Timko, M.D. located?
The NPPES record lists a practice address at 250 King OF Prussia RD, Radnor, PA, 19087. Phone: (610) 902-2450. Providers update this record themselves, so call before visiting.
How can I verify Mercedes Timko, M.D.'s license?
NPPES lists Pennsylvania license number MD437646, 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 Mercedes Timko, M.D. prescribe under Medicare Part D?
In 2024, Mercedes Timko, M.D. had 307 Medicare Part D claims for 34 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Mercedes Timko, M.D.'s MIPS final score?
The 2023 MIPS final score is 86.8 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.