Mark Gilbert, M.D.
Infectious Disease Physician · Darby, PA
Mark Gilbert, M.D. is an infectious disease physician with a practice address in Darby, Pennsylvania, and NPI 1366443855, issued on Aug 9, 2005. Check the license (Pennsylvania MD025745E, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Mark Gilbert
- Credential
- M.D.
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License number
- MD025745E PA
Self-reported in NPPES; status is on the state search - Practice location
- 1503 Lansdowne Ave, Darby, PA 19023
- Phone
- (610) 237-5816
- Enumerated
- Aug 9, 2005
- Record last updated
- Aug 2, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (610) 237-5802
- Medicare enrollment
- Enrolled (PECOS I20081010000202); accepts Medicare assignment
- Medical or professional school
- State University Of New York At Buffalo School Of Medicine, 1980
- Entity
- Type 1 · individual
8 nearest infectious disease physician records → All 545 in Pennsylvania → Look up another NPI →
Also registered at 1503 Lansdowne Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Bharti Asnani, M.D.Infectious Disease Physician1164600417
- John Blannett, MDCardiovascular Disease Physician1780689794
- Bret Boyer, PHDPsychologist1013059831
- Francis Brahmakulam, M.D.Pulmonary Disease Physician1952563165
- Maureen Brolly, PT, ATCPhysical Therapist1700089612
- Neil Cohn, M.D.Psychiatry Physician1699784777
Verify Mark Gilbert in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD025745ECheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average infectious disease physician in 2024
74 Medicare Part D claims for 24 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims.
Most prescribed
- Ceftriaxone19 claims
- Sodium Chloride12 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.
The MIPS final score for 2023 (Medicare payment program): 47 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Infectious Diseases Medical Associates LLCDarby, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark Gilbert among 545 infectious disease physician records in Pennsylvania
Mark Gilbert, M.D. is one of 545 infectious disease 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 92% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated1980 · median 2005 among the 381 with a school on file
- Record last updated2010 · 67% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Infectious Disease Physician providers in Pennsylvania
There are 545 infectious disease physician records in Pennsylvania.
All 545 in Pennsylvania → Every provider in Darby → Infectious Disease Physician nationwide →
The 8 infectious disease physician records with the nearest ZIP codes
- Bharti Asnani, M.D.Darby, PA 190231164600417
- William McNamee, M.D.Darby, PA 190231043211089
- Haimavathi Bhat, D.O., M.P.H.Drexel Hill, PA 190261861625741
- Bonnie Rabinowitch, MDDrexel Hill, PA 190261942347992
- Dorothy Slavin, M.D.Drexel Hill, PA 190261265786131
- Malini Stalam, MDDrexel Hill, PA 190261780721712
- Cecilia Fumberg, M.D.Chester, PA 190131225068273
- William Ravreby, M.D.Chester, PA 190131720018740
Common questions
What is Mark Gilbert, M.D.'s NPI number?
Mark Gilbert, M.D.'s National Provider Identifier (NPI) is 1366443855, issued on Aug 9, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Mark Gilbert, M.D. located?
The NPPES record lists a practice address at 1503 Lansdowne Ave, Darby, PA, 19023. Phone: (610) 237-5816. Providers update this record themselves, so call before visiting.
How can I verify Mark Gilbert, M.D.'s license?
NPPES lists Pennsylvania license number MD025745E, 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 Mark Gilbert, M.D. prescribe under Medicare Part D?
In 2024, Mark Gilbert, M.D. had 74 Medicare Part D claims for 24 beneficiaries; the average among infectious disease physician prescribers was 689. Part D covers Medicare prescriptions only.
What is Mark Gilbert, M.D.'s MIPS final score?
The 2023 MIPS final score is 47 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.