NPPES file of Aug 9, 2026

Linna Li, M.D.

Radiation Oncology Physician · Philadelphia, PA

Linna Li, M.D. is a radiation oncology physician with a practice address in Philadelphia, Pennsylvania, and NPI 1699929844, issued on Nov 13, 2008. Check the license (Pennsylvania MD435718, 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
1699929844
Name
Linna Li
Credential
M.D.
Primary taxonomy
Radiation Oncology Physician 2085R0001X
License number
MD435718 PA
Self-reported in NPPES; status is on the state search
Practice location
333 Cottman Ave, Philadelphia, PA 19111
Phone
(215) 728-2581
Enumerated
Nov 13, 2008
Record last updated
Jul 13, 2011 (not updated in 15 years: call before relying on the address or phone)
Fax
(215) 214-4038
Medicare enrollment
Enrolled (PECOS I20110829000230); accepts Medicare assignment
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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8 nearest radiation oncology physician records → All 383 in Pennsylvania → Look up another NPI →

Also registered at 333 Cottman Ave

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

  1. Philip Abbosh, MDPHDUrology Physician1871749424
  2. Andrea AbbottDiagnostic Radiology Physician1316268444
  3. Jesty Abraham, DODiagnostic Radiology Physician1417118373
  4. Allison Aggon, D.O.Surgery Physician1972759900
  5. Tahseen Al-Saleem, M.D.Anatomic Pathology & Clinical Pathology Physician1962474056
  6. Md Usman Ali, M.D.Internal Medicine Physician1619316882

Verify Linna Li 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 MD435718    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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89% more Medicare Part D claims than the average radiation oncology physician in 2024

253 Medicare Part D claims for 98 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D.

  1. Linna Li253
  2. Specialty average134

Most prescribed

  1. Pentoxifylline55 claims
  2. Triamcinolone Acetonide22 claims
  3. Dexamethasone17 claims
  4. Celecoxib13 claims
  5. Hydrocortisone13 claims
  6. Lidocaine Hcl Viscous11 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: $7,973.07

11 payments; by number, the most common kind was food and beverage; the largest payer was Mentor Worldwide LLC. The 3,275 providers of this specialty with any payment received $1,897.85 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Linna Li$7,973.07
  2. Specialty average$1,897.85

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. Main Line Radiation Oncology PCWynewood, PA

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

Linna Li among 383 radiation oncology physician records in Pennsylvania

Linna Li, M.D. is one of 383 radiation oncology physician records with a practice address in Pennsylvania. 82% 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 56% of them.

  • NPI issued2008 · 56% of these records are older, 39% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 75% of these records are
  • Graduated2006 · median 2004 among the 285 with a school on file
  • Record last updated2011 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0001X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Radiation Oncology Physician providers in Pennsylvania

There are 383 radiation oncology physician records in Pennsylvania.

All 383 in Pennsylvania → Every provider in Philadelphia → Radiation Oncology Physician nationwide →

The 8 radiation oncology physician records with the nearest ZIP codes

  1. Penny Anderson, M.D.Philadelphia, PA 191111811969868
  2. Jo Ann Chalal, MDPhiladelphia, PA 191111316944424
  3. Randi Cohen, MDPhiladelphia, PA 191111366570228
  4. Thomas Galloway, MDPhiladelphia, PA 191111710052212
  5. Mark Hallman, M.D., PH.D.Philadelphia, PA 191111124256557
  6. Arthur Harvey, MDPhiladelphia, PA 191111962425843
  7. Shelly Hayes, MDPhiladelphia, PA 191111346457918
  8. Eric Horwitz, M.D.Philadelphia, PA 191111952322679

Common questions

What is Linna Li, M.D.'s NPI number?

Linna Li, M.D.'s National Provider Identifier (NPI) is 1699929844, issued on Nov 13, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Linna Li, M.D. located?

The NPPES record lists a practice address at 333 Cottman Ave, Philadelphia, PA, 19111. Phone: (215) 728-2581. Providers update this record themselves, so call before visiting.

How can I verify Linna Li, M.D.'s license?

NPPES lists Pennsylvania license number MD435718, 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 Linna Li, M.D. prescribe under Medicare Part D?

In 2024, Linna Li, M.D. had 253 Medicare Part D claims for 98 beneficiaries; the average among radiation oncology physician prescribers was 134. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.