Stefan T. Tachev, M.D.
Nephrology Physician · Exton, PA
Stefan T. Tachev, M.D. is a nephrology physician with a practice address in Exton, Pennsylvania, and NPI 1295778108, issued on Jun 14, 2006. Check the license (Pennsylvania MD420924, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Stefan T. Tachev
- Credential
- M.D.
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License numbers
- MD420924 PA
25MA07674900 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 860 Springdale Dr #100, Exton, PA 19341
- Phone
- (610) 872-8501
- Enumerated
- Jun 14, 2006
- Record last updated
- Nov 3, 2022
- Medicaid ID
- 092465 NJ
- Medicare enrollment
- Enrolled (PECOS I20051003000732); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 651 in Pennsylvania → Look up another NPI →
Verify Stefan T. Tachev in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD420924Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
40% fewer Medicare Part D claims than the average nephrology physician in 2024
886 Medicare Part D claims for 185 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 26% of claims.
Most prescribed
- Calcitriol198 claims
- Farxiga85 claims
- Allopurinol84 claims
- Furosemide55 claims
- Jardiance53 claims
- Amlodipine Besylate50 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.
Industry payments in 2024: $709.68
24 payments; by number, the most common kind was food and beverage; the largest payer was Lilly USA, LLC. The 8,230 providers of this specialty with any payment received $3,091.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Clinical Renal Associates LLCExton, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Stefan T. Tachev among 651 nephrology physician records in Pennsylvania
Stefan T. Tachev, M.D. 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 fileYes · 72% of these records are
- Graduated1995 · median 2001 among the 468 with a school on file
- Record last updated2022 · 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 Exton → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Sean Dorrell, MDExton, PA 193411053362210
- Steven Han, MDExton, PA 193411205872231
- Ambereen Jan, MDExton, PA 193411619929932
- Herman Michael, MDExton, PA 193411205867793
- Karen Yoder, PACExton, PA 193411982656864
- Thomas Nasca, M.D.Malvern, PA 193551770507725
- Kevin Sperling, MDChadds Ford, PA 193171285832543
- Denise D'Andrea, MDEast Norriton, PA 194031962703512
Common questions
What is Stefan T. Tachev, M.D.'s NPI number?
Stefan T. Tachev, M.D.'s National Provider Identifier (NPI) is 1295778108, issued on Jun 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Stefan T. Tachev, M.D. located?
The NPPES record lists a practice address at 860 Springdale Dr #100, Exton, PA, 19341. Phone: (610) 872-8501. Providers update this record themselves, so call before visiting.
How can I verify Stefan T. Tachev, M.D.'s license?
NPPES lists Pennsylvania license number MD420924, 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 Stefan T. Tachev, M.D. prescribe under Medicare Part D?
In 2024, Stefan T. Tachev, M.D. had 886 Medicare Part D claims for 185 beneficiaries; the average among nephrology physician prescribers was 1,465. 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.