NPPES file of Aug 9, 2026

Diana Guillaume, MD

Family Medicine Physician · Philadelphia, PA

Diana Guillaume, MD is a family medicine physician with a practice address in Philadelphia, Pennsylvania, and NPI 1154999878, issued on Jun 17, 2021. Check the license (Pennsylvania MD485943, 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
1154999878
Name
Diana Guillaume
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License numbers
MD485943 PA
125078974 IL
Self-reported in NPPES; status is on the state search
Practice location
7602 Central Ave Ste 101, Philadelphia, PA 19111
Phone
(215) 969-2900
Enumerated
Jun 17, 2021
Record last updated
Jul 17, 2024
Fax
(215) 969-1856
Medicare enrollment
Enrolled (PECOS I20240731002789); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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.
Download card Updates feed

Also registered at 7602 Central Ave Ste 101

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

  1. Gary Lanoce, DOFamily Medicine Physician1417979477
  2. Navpreet Singh, MDFamily Medicine Physician1881005163

Verify Diana Guillaume 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 MD485943
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

78% fewer Medicare Part D claims than the average family medicine physician in 2024

763 Medicare Part D claims for 131 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.

  1. Diana Guillaume763
  2. Specialty average3,544

Most prescribed

  1. Amlodipine Besylate58 claims
  2. Atorvastatin Calcium45 claims
  3. Albuterol Sulfate Hfa34 claims
  4. Lisinopril26 claims
  5. Jardiance25 claims
  6. Metoprolol Tartrate24 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: $14.40

1 payment: food and beverage; the largest payer was GlaxoSmithKline, LLC. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Diana Guillaume$14.40
  2. Specialty average$902.55

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. Temple Physicians IncPhiladelphia, PA

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

Diana Guillaume among 7,483 family medicine physician records in Pennsylvania

Diana Guillaume, MD is one of 7,483 family medicine physician records with a practice address in Pennsylvania. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 86% of them.

  • NPI issued2021 · 86% of these records are older, 11% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 61% of these records are
  • Graduated2021 · median 2005 among the 4,529 with a school on file
  • Record last updated2024 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

800 family medicine physician records list a practice address in Philadelphia

They are 800 of the 42,849 NPPES records with a practice address in Philadelphia, and 7,483 family medicine physician records in Pennsylvania.

The 8 family medicine physician records with the nearest ZIP codes

  1. Carmelita Deguzman, M.D.Philadelphia, PA 191111710918966
  2. Richard Dietrick, MDPhiladelphia, PA 191111336129527
  3. Okwuolisa Ikediobi, M.D.Philadelphia, PA 191111326203035
  4. Susan Kuruvilla, M.D.Philadelphia, PA 191111790820249
  5. Melissa Lacombe, D.O.Philadelphia, PA 191111063866101
  6. Gary Lanoce, DOPhiladelphia, PA 191111417979477
  7. Kenneth Patrick, MDPhiladelphia, PA 191111548249394
  8. Eugene Siegel, D.O.Phila, PA 191111306826656

Common questions

What is Diana Guillaume, MD's NPI number?

Diana Guillaume, MD's National Provider Identifier (NPI) is 1154999878, issued on Jun 17, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Diana Guillaume, MD located?

The NPPES record lists a practice address at 7602 Central Ave Ste 101, Philadelphia, PA, 19111. Phone: (215) 969-2900. Providers update this record themselves, so call before visiting.

How can I verify Diana Guillaume, MD's license?

NPPES lists Pennsylvania license number MD485943, 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 Diana Guillaume, MD prescribe under Medicare Part D?

In 2024, Diana Guillaume, MD had 763 Medicare Part D claims for 131 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.