NPPES file of Aug 9, 2026

Janet R. Zolli, MD

Internal Medicine Physician · Phoenixville, PA

Janet R. Zolli, MD is an internal medicine physician with a practice address in Phoenixville, Pennsylvania, and NPI 1699755843, issued on Jan 21, 2006. Check the license (Pennsylvania MD481262, 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
1699755843
Name
Janet R. Zolli
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
MD481262 PA
Self-reported in NPPES; status is on the state search
Practice location
826 Main Street, Phoenixville, PA 19460
Phone
(610) 933-8484
Enumerated
Jan 21, 2006
Record last updated
Jan 21, 2026
Fax
(610) 917-0320
Medicaid ID
01563804 NY
Medicare enrollment
Enrolled (PECOS I20230728002336); accepts Medicare assignment
Medical or professional school
State University Of New York At Stony Brook, School Of Medicine, 1992
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 826 Main Street

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

  1. Kailash Kc, DOFamily Medicine Physician1013582113
  2. Raymond Kovalski, M.DPulmonary Disease Physician1861588006
  3. Joanna Kusmirek, MDFamily Medicine Physician1881740850
  4. Christy Murphy, OTR/L CHTHand Occupational Therapist1417975715
  5. Jillian Wawrzyniak, MDFamily Medicine Physician1508128398

Verify Janet R. Zolli 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 MD481262
    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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45% fewer Medicare Part D claims than the average internal medicine physician in 2024

1,760 Medicare Part D claims for 396 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 48 claims were for opioids.

  1. Janet Zolli1,760
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium123 claims
  2. Amlodipine Besylate79 claims
  3. Lisinopril57 claims
  4. Levothyroxine Sodium56 claims
  5. Pantoprazole Sodium51 claims
  6. Albuterol Sulfate Hfa49 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.

Bills Medicare through one group practice

  1. Penn Medicine-PmaPhoenixville, PA

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

Janet R. Zolli among 7,300 internal medicine physician records in Pennsylvania

Janet R. Zolli, MD is one of 7,300 internal medicine physician records with a practice address in Pennsylvania. 78% 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 9% of them.

  • NPI issued2006 · 9% of these records are older, 64% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 58% of these records are
  • Graduated1992 · median 2008 among the 4,208 with a school on file
  • Record last updated2026 · 56% 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 Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

37 internal medicine physician records list a practice address in Phoenixville

They are 37 of the 886 NPPES records with a practice address in Phoenixville, and 7,300 internal medicine physician records in Pennsylvania.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Andrew Baskin, M.D.Phoenixville, PA 194601700146412
  2. Mark Brown, MDPhoenixville, PA 194601467491050
  3. Ira Cantor, M.DPhoenixville, PA 194601760425755
  4. Marion Childs, M.D.Phoenixville, PA 194601801892161
  5. Jacquline Diblasio, M.D.Phoenixville, PA 194601134131816
  6. Eric Holmboe, M.D.Phoenixville, PA 194601770751935
  7. Oladoye Kehinde, MDPhoenixville, PA 194601497727044
  8. William Mark, M.D.Phoenixville, PA 194601396955522

Common questions

What is Janet R. Zolli, MD's NPI number?

Janet R. Zolli, MD's National Provider Identifier (NPI) is 1699755843, issued on Jan 21, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Janet R. Zolli, MD located?

The NPPES record lists a practice address at 826 Main Street, Phoenixville, PA, 19460. Phone: (610) 933-8484. Providers update this record themselves, so call before visiting.

How can I verify Janet R. Zolli, MD's license?

NPPES lists Pennsylvania license number MD481262, 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 Janet R. Zolli, MD prescribe under Medicare Part D?

In 2024, Janet R. Zolli, MD had 1,760 Medicare Part D claims for 396 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.