NPPES file of Aug 9, 2026

Lydia Denison

Neurology Physician · Philadelphia, PA

Lydia Denison is a neurology physician with a practice address in Philadelphia, Pennsylvania, and NPI 1568114379, issued on Jan 23, 2022. Check the license (Pennsylvania MD494035, 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
1568114379
Name
Lydia Denison
Primary taxonomy
Neurology Physician 2084N0400X
License number
MD494035 PA
Self-reported in NPPES; status is on the state search
Practice location
3900 Woodland Ave, Philadelphia, PA 19104
Phone
(215) 823-5800
Enumerated
Jan 23, 2022
Record last updated
Mar 27, 2026
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 3900 Woodland Ave

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

  1. Kate AbramsonClinical Social Worker1326801457
  2. Erin Abrigo, PH.D.Clinical Psychologist1710380290
  3. Chinyere Achi, CRNPAdult Health Nurse Practitioner1164533469
  4. Gunsel Acikgoz, MDDiagnostic Radiology Physician1225062334
  5. Kate Acker, CRNPNurse Practitioner1922876408
  6. Tiffany Adeleke, PHARMDPharmacist1194334011

Verify Lydia Denison 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 MD494035
    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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95% fewer Medicare Part D claims than the average neurology physician in 2024

74 Medicare Part D claims for 26 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D.

  1. Lydia Denison74
  2. Specialty average1,370

Most prescribed

  1. Carbidopa-Levodopa14 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.

Lydia Denison among 1,077 neurology physician records in Pennsylvania

Lydia Denison is one of 1,077 neurology physician records with a practice address in Pennsylvania. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 93% of them.

  • NPI issued2022 · 93% of these records are older, 4% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileNo · 68% of these records are
  • Record last updated2026 · 55% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0400X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Neurology Physician providers in Pennsylvania

There are 1,077 neurology physician records in Pennsylvania.

The 8 neurology physician records with the nearest ZIP codes

  1. Laura Balcer, MDPhiladelphia, PA 191041902838121
  2. Charles Cantor, MDPhiladelphia, PA 191041225066244
  3. Harry Coslett, MDPhiladelphia, PA 191041326088329
  4. Joseph Dalmau, MDPhiladelphia, PA 191041376575506
  5. Ramon Diaz-Arrastia, MDPhiladelphia, PA 191041194785774
  6. Marc Dichter, MDPhiladelphia, PA 191041043242282
  7. Lauren Elman, MDPhiladelphia, PA 191041942231766
  8. Rollin Gallagher, MD MPHPhiladelphia, PA 191041932136835

Common questions

What is Lydia Denison's NPI number?

Lydia Denison's National Provider Identifier (NPI) is 1568114379, issued on Jan 23, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Lydia Denison located?

The NPPES record lists a practice address at 3900 Woodland Ave, Philadelphia, PA, 19104. Phone: (215) 823-5800. Providers update this record themselves, so call before visiting.

How can I verify Lydia Denison's license?

NPPES lists Pennsylvania license number MD494035, 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 Lydia Denison prescribe under Medicare Part D?

In 2024, Lydia Denison had 74 Medicare Part D claims for 26 beneficiaries; the average among neurology physician prescribers was 1,370. 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.