Marisa Isaacson, MD
Gastroenterology Physician · Clairton, PA
Marisa Isaacson, MD is a gastroenterology physician with a practice address in Clairton, Pennsylvania, and NPI 1588050827, issued on Apr 14, 2015. Check the license (Pennsylvania MD473017, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Marisa Isaacson
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- MD473017 PA
Self-reported in NPPES; status is on the state search - Practice location
- 575 Coal Valley RD Ste 105, Clairton, PA 15025
- Phone
- (412) 359-8900
- Enumerated
- Apr 14, 2015
- Record last updated
- Mar 7, 2023
- Fax
- (412) 359-8977
- Medicaid ID
- 103591170 PA
- Medicare enrollment
- Enrolled (PECOS I20210805000390); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 1,049 in Pennsylvania → Look up another NPI →
Also registered at 575 Coal Valley RD Ste 105
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jonathan Wilen, M.D.Gastroenterology Physician1235592080
Verify Marisa Isaacson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD473017Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
30% more Medicare Part D claims than the average gastroenterology physician in 2024
1,052 Medicare Part D claims for 441 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 27% of claims.
Most prescribed
- Pantoprazole Sodium250 claims
- Sod Sulf-Potass Sulf-Mag Sulf155 claims
- Omeprazole94 claims
- Gavilyte-G77 claims
- Linzess63 claims
- Stelara59 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): 93.8 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).
Industry payments in 2024: $578.01
35 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
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
- Allegheny ClinicPittsburgh, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marisa Isaacson among 1,049 gastroenterology physician records in Pennsylvania
Marisa Isaacson, MD is one of 1,049 gastroenterology physician records with a practice address in Pennsylvania. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 85% of them.
- NPI issued2015 · 85% of these records are older, 12% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated2015 · median 2003 among the 769 with a school on file
- Record last updated2023 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
3 gastroenterology physician records list a practice address in Clairton
They are 3 of the 188 NPPES records with a practice address in Clairton, and 1,049 gastroenterology physician records in Pennsylvania.
All 1,049 in Pennsylvania → Every provider in Clairton → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Theresa Schuerle, D.O.Clairton, PA 150251285995720
- Jonathan Wilen, M.D.Clairton, PA 150251235592080
- Mukesh Shah, MDCharleroi, PA 150221003983065
- Joel Kichler, MDBrackenridge, PA 150141972502516
- Sean Connelly, D.O.Beaver Falls, PA 150101043494081
- Michael De Jesus, M.D.Beaver Falls, PA 150101417903311
- Robert Fadden, M.D.Beaver Falls, PA 150101093761801
- Roberto Inglese, M.D.Beaver Falls, PA 150101386697860
Common questions
What is Marisa Isaacson, MD's NPI number?
Marisa Isaacson, MD's National Provider Identifier (NPI) is 1588050827, issued on Apr 14, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Marisa Isaacson, MD located?
The NPPES record lists a practice address at 575 Coal Valley RD Ste 105, Clairton, PA, 15025. Phone: (412) 359-8900. Providers update this record themselves, so call before visiting.
How can I verify Marisa Isaacson, MD's license?
NPPES lists Pennsylvania license number MD473017, 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 Marisa Isaacson, MD prescribe under Medicare Part D?
In 2024, Marisa Isaacson, MD had 1,052 Medicare Part D claims for 441 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is Marisa Isaacson, MD's MIPS final score?
The 2023 MIPS final score is 93.8 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.