NPPES file of Aug 9, 2026

Poonguzhali Pichaimuthu, M.D.

Internal Medicine Physician · Philadelphia, PA

Poonguzhali Pichaimuthu, M.D. is an internal medicine physician with a practice address in Philadelphia, Pennsylvania, and NPI 1659567501, issued on Sep 24, 2007. Check the license (Pennsylvania MD431326, 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
1659567501
Name
Poonguzhali Pichaimuthu
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
MD431326 PA
Self-reported in NPPES; status is on the state search
Practice location
6431 Sackett St, Philadelphia, PA 19149
Phone
(267) 448-4908
Enumerated
Sep 24, 2007
Record last updated
Feb 4, 2022
Fax
(267) 297-3950
Medicaid ID
102067342 PA
Medicare enrollment
Enrolled (PECOS I20071015000373); 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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Also registered at 6431 Sackett St

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

  1. Lisa Abdul-Haqq, CRNPPrimary Care Nurse Practitioner1982369708
  2. Anabel Disla Wallace, NPFamily Nurse Practitioner1487447231
  3. Timi Edeki, MDInternal Medicine Physician1962647644
  4. Andy Goberdhan, MDHematology & Oncology Physician1386823425
  5. Ellen Kim, MDFamily Medicine Physician1912069329
  6. Tien Nguyen, NPFamily Nurse Practitioner1700361276

Verify Poonguzhali Pichaimuthu 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 MD431326
    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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57% more Medicare Part D claims than the average internal medicine physician in 2024

4,987 Medicare Part D claims for 460 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.

  1. Poonguzhali Pichaimuthu4,987
  2. Specialty average3,176

Most prescribed

  1. Amlodipine Besylate408 claims
  2. Atorvastatin Calcium310 claims
  3. Albuterol Sulfate Hfa240 claims
  4. Lisinopril162 claims
  5. Omeprazole155 claims
  6. Losartan Potassium151 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. Dedicated Pennsylvania Holding LLCPhiladelphia, PA

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

Poonguzhali Pichaimuthu among 7,300 internal medicine physician records in Pennsylvania

Poonguzhali Pichaimuthu, M.D. 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 2007, is newer than 36% of them.

  • NPI issued2007 · 36% of these records are older, 57% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 58% of these records are
  • Graduated1994 · median 2008 among the 4,208 with a school on file
  • Record last updated2022 · 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).

1,855 internal medicine physician records list a practice address in Philadelphia

They are 1,855 of the 42,849 NPPES records with a practice address in Philadelphia, and 7,300 internal medicine physician records in Pennsylvania.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Barry Blinkoff, M.D.Philadelphia, PA 191491447262134
  2. Sharon Carey, M.D.Philadelphia, PA 191491700898301
  3. Alex Chu, D.O.Philadelphia, PA 191491922082270
  4. Timi Edeki, MDPhiladelphia, PA 191491962647644
  5. Barbara Joebstl, MDPhiladelphia, PA 191491194769919
  6. V Marshall, DOPhila, PA 191491952341992
  7. Leslie Mayro, M.D.Philadelphia, PA 191491003829508
  8. Jack Nemez, M.D.Phila, PA 191491336171651

Common questions

What is Poonguzhali Pichaimuthu, M.D.'s NPI number?

Poonguzhali Pichaimuthu, M.D.'s National Provider Identifier (NPI) is 1659567501, issued on Sep 24, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Poonguzhali Pichaimuthu, M.D. located?

The NPPES record lists a practice address at 6431 Sackett St, Philadelphia, PA, 19149. Phone: (267) 448-4908. Providers update this record themselves, so call before visiting.

How can I verify Poonguzhali Pichaimuthu, M.D.'s license?

NPPES lists Pennsylvania license number MD431326, 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 Poonguzhali Pichaimuthu, M.D. prescribe under Medicare Part D?

In 2024, Poonguzhali Pichaimuthu, M.D. had 4,987 Medicare Part D claims for 460 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.