NPPES file of Aug 9, 2026

Nicholas Ligato, D.O.

Internal Medicine Physician · West Chester, PA

Nicholas Ligato, D.O. is an internal medicine physician with a practice address in West Chester, Pennsylvania, and NPI 1629387857, issued on Oct 5, 2010. Check the license (Pennsylvania OS016744, 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
1629387857
Name
Nicholas Ligato
Credential
D.O.
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
OS016744 PA
C2-0023850 DE
Self-reported in NPPES; status is on the state search
Practice location
701 E Marshall St, West Chester, PA 19380
Phone
(610) 431-5000
Enumerated
Oct 5, 2010
Record last updated
Mar 25, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(610) 431-5025
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 701 E Marshall St

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

  1. Douglas Ader, DO, PA-CEmergency Medicine Physician1235486838
  2. Katherine Ansel, PA-CPhysician Assistant1417847062
  3. Nicholas Archer, PA-CSurgical Physician Assistant1114171774
  4. Thierry Arnoult, ACNPAcute Care Nurse Practitioner1114383403
  5. Chloe AustinCase Management Registered Nurse1508713660
  6. Muhammet Ayanoglu, MDPediatrics Physician1699295428

Verify Nicholas Ligato 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 OS016744
    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

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86% fewer Medicare Part D claims than the average internal medicine physician in 2024

448 Medicare Part D claims for 104 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 20 claims were for opioids.

  1. Nicholas Ligato448
  2. Specialty average3,176

Most prescribed

  1. Amlodipine Besylate62 claims
  2. Levothyroxine Sodium29 claims
  3. Omeprazole26 claims
  4. Metoprolol Tartrate20 claims
  5. Finasteride15 claims
  6. Ipratropium Bromide14 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.

Nicholas Ligato among 7,300 internal medicine physician records in Pennsylvania

Nicholas Ligato, D.O. 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 2010, is newer than 50% of them.

  • NPI issued2010 · 50% of these records are older, 48% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileNo · 58% of these records are
  • Record last updated2021 · 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).

57 internal medicine physician records list a practice address in West Chester

They are 57 of the 2,831 NPPES records with a practice address in West Chester, and 7,300 internal medicine physician records in Pennsylvania.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Douglas Atlas, MDWest Chester, PA 193801932168895
  2. Helise Bichefsky, DOWest Chester, PA 193801770533267
  3. Donald Emery, MDWest Chester, PA 193801730139130
  4. Renee Giometti, MDWest Chester, PA 193801639129208
  5. Dwight Johnson, DOWest Chester, PA 193801598738833
  6. Edward Ma, MDWest Chester, PA 193801730153081
  7. Martye Marshall, MDWest Chester, PA 193801841253648
  8. Richard Oyelewu, MDWest Chester, PA 193801659345601

Common questions

What is Nicholas Ligato, D.O.'s NPI number?

Nicholas Ligato, D.O.'s National Provider Identifier (NPI) is 1629387857, issued on Oct 5, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Nicholas Ligato, D.O. located?

The NPPES record lists a practice address at 701 E Marshall St, West Chester, PA, 19380. Phone: (610) 431-5000. Providers update this record themselves, so call before visiting.

How can I verify Nicholas Ligato, D.O.'s license?

NPPES lists Pennsylvania license number OS016744, 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 Nicholas Ligato, D.O. prescribe under Medicare Part D?

In 2024, Nicholas Ligato, D.O. had 448 Medicare Part D claims for 104 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.