NPPES file of Aug 9, 2026

Steven S. Han, MD

Nephrology Physician · Exton, PA

Steven S. Han, MD is a nephrology physician with a practice address in Exton, Pennsylvania, and NPI 1205872231, issued on Jun 20, 2006. Check the license (Pennsylvania MD418893, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1205872231
Name
Steven S. Han
Credential
MD
Primary taxonomy
Nephrology Physician 207RN0300X
License number
MD418893 PA
Self-reported in NPPES; status is on the state search
Practice location
860 Springdale Dr, Exton, PA 19341
Phone
(610) 524-3703
Enumerated
Jun 20, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(610) 524-5990
Medicare enrollment
Enrolled (PECOS I20050628000497); accepts Medicare assignment
Medical or professional school
Icahn School Of Medicine At Mount Sinai, 1999
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 860 Springdale Dr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Sean Dorrell, MDNephrology Physician1053362210
  2. Katie GregoryFamily Nurse Practitioner1114847647
  3. July JacobNurse Practitioner1255953154
  4. Ambereen Jan, MDNephrology Physician1619929932
  5. Herman Michael, MDNephrology Physician1205867793
  6. Manjula Naik, MDInternal Medicine Physician1760650246

Verify Steven S. Han in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
    Search for license MD418893
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Pennsylvania license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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32% more Medicare Part D claims than the average nephrology physician in 2024

1,927 Medicare Part D claims for 313 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 22% of claims.

  1. Steven Han1,927
  2. Specialty average1,465

Most prescribed

  1. Losartan Potassium178 claims
  2. Farxiga131 claims
  3. Amlodipine Besylate115 claims
  4. Jardiance100 claims
  5. Furosemide93 claims
  6. Allopurinol86 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: $1,895.21

74 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. 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.

  1. Steven Han$1,895.21
  2. Specialty average$3,091.37

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

  1. Clinical Renal Associates LLCExton, PA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Steven S. Han among 651 nephrology physician records in Pennsylvania

Steven S. Han, MD 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
  • Graduated1999 · median 2001 among the 468 with a school on file
  • Record last updated2007 · 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.

The 8 nephrology physician records with the nearest ZIP codes

  1. Sean Dorrell, MDExton, PA 193411053362210
  2. Ambereen Jan, MDExton, PA 193411619929932
  3. Herman Michael, MDExton, PA 193411205867793
  4. Stefan Tachev, M.D.Exton, PA 193411295778108
  5. Karen Yoder, PACExton, PA 193411982656864
  6. Thomas Nasca, M.D.Malvern, PA 193551770507725
  7. Kevin Sperling, MDChadds Ford, PA 193171285832543
  8. Denise D'Andrea, MDEast Norriton, PA 194031962703512

Common questions

What is Steven S. Han, MD's NPI number?

Steven S. Han, MD's National Provider Identifier (NPI) is 1205872231, issued on Jun 20, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Steven S. Han, MD located?

The NPPES record lists a practice address at 860 Springdale Dr, Exton, PA, 19341. Phone: (610) 524-3703. Providers update this record themselves, so call before visiting.

How can I verify Steven S. Han, MD's license?

NPPES lists Pennsylvania license number MD418893, 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 Steven S. Han, MD prescribe under Medicare Part D?

In 2024, Steven S. Han, MD had 1,927 Medicare Part D claims for 313 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.