John Daniel Herlihy, M.D.
Gastroenterology Physician · Cedar Rapids, IA
John Daniel Herlihy, M.D. is a gastroenterology physician with a practice address in Cedar Rapids, Iowa, and NPI 1245625151, issued on Mar 30, 2015. Check the license (Iowa MD-53981, as entered in NPPES) on the Iowa Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- John Daniel Herlihy
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- MD-53981 IA
Self-reported in NPPES; status is on the state search - Practice location
- 701 10TH St SE, Cedar Rapids, IA 52403
- Phone
- (319) 369-4542
- Enumerated
- Mar 30, 2015
- Record last updated
- Aug 14, 2025
- Fax
- (319) 369-4543
- Medicare enrollment
- Enrolled (PECOS I20250930001290); accepts Medicare assignment
- Medical or professional school
- University Of Texas Medical School At San Antonio, 2015
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 122 in Iowa → Look up another NPI →
Also registered at 701 10TH St SE
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Cailey Anderson, ARNPGerontology Nurse Practitioner1679050652
- Karl Anderson, DOEmergency Medicine Physician1679533004
- Faith Anton, MPAS, PA-CPhysician Assistant1558159079
- Sara Arafat, DNP, CPNP-PCPediatric Nurse Practitioner1760160253
Verify John Daniel Herlihy in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIowa Board of Medicine
Search for license MD-53981Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
61% more Medicare Part D claims than the average gastroenterology physician in 2024
1,309 Medicare Part D claims for 416 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 36% of claims. 35 claims were for opioids.
Most prescribed
- Omeprazole137 claims
- Esomeprazole Magnesium130 claims
- Linzess130 claims
- Sutab88 claims
- Dicyclomine Hcl63 claims
- Hydrocortisone52 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 practice group's MIPS final score for 2023 (Medicare payment program): 86.7 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $4,000.59
136 payments; by number, the most common kind was food and beverage; the largest payer was Genentech USA, 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
- Mercy Medical CenterNorth Liberty, IA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Daniel Herlihy among 122 gastroenterology physician records in Iowa
John Daniel Herlihy, M.D. is one of 122 gastroenterology physician records with a practice address in Iowa. 80% 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 80% of them.
- NPI issued2015 · 80% of these records are older, 16% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2015 · median 2000 among the 84 with a school on file
- Record last updated2025 · 54% 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 Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Iowa
There are 122 gastroenterology physician records in Iowa.
All 122 in Iowa → Every provider in Cedar Rapids → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Gilles Hoilat, MBBSCedar Rapids, IA 524031871153247
- Barakat Aburajab Altamimi, M.D.Cedar Rapids, IA 524011225444862
- Bhavya Akhauri, M.D.Cedar Rapids, IA 524011639332745
- Ujjwal Kumar, M.D.Cedar Rapids, IA 524011235570805
- Nathalie Pena Polanco, M.D.Cedar Rapids, IA 524011063828523
- Douglas Purdy, MDCedar Rapids, IA 524011376528562
- Leon Qiao, M.D.Cedar Rapids, IA 524011013992205
- Gary Weinman, M.D.Cedar Rapids, IA 524011508842618
Common questions
What is John Daniel Herlihy, M.D.'s NPI number?
John Daniel Herlihy, M.D.'s National Provider Identifier (NPI) is 1245625151, issued on Mar 30, 2015. An NPI identifies a provider in billing; it is not a license.
Where is John Daniel Herlihy, M.D. located?
The NPPES record lists a practice address at 701 10TH St SE, Cedar Rapids, IA, 52403. Phone: (319) 369-4542. Providers update this record themselves, so call before visiting.
How can I verify John Daniel Herlihy, M.D.'s license?
NPPES lists Iowa license number MD-53981, as entered by the provider. Search the Iowa Board of Medicine at https://dial.iowa.gov/about-dial/boards-and-commissions/medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does John Daniel Herlihy, M.D. prescribe under Medicare Part D?
In 2024, John Daniel Herlihy, M.D. had 1,309 Medicare Part D claims for 416 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is John Daniel Herlihy, M.D.'s MIPS final score?
The 2023 MIPS final score is 86.7 of 100, reported for the practice group. 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.