Dr. Patrick Joseph Grohar, MD, PhD

  • Ann Arbor, MI
  • Pediatric hematology and oncology physician
NPI1225175201
Publications
37
Clinical trials
1
Hospital affiliations
1
Industry payments
$9,721
Medical groups
2
Practice address
1500 E Medical Center Dr, Ann Arbor, MI 48109
Practice phone
Call (734) 936-4000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

University Hospital

School-Based Health Center · Ann Arbor, Michigan

See all 4 affiliations

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Dr. Patrick Joseph Grohar is a pediatric hematology and oncology physician in Ann Arbor, Michigan

Dr. Grohar practices at University Hospital in Ann Arbor, Michigan.

Dr. Grohar's NPI, 1225175201, was assigned on January 31, 2007. Dr. Grohar graduated from Wayne State University School of Medicine in 2003. Dr. Grohar holds Michigan license 4301108736.

NPI and contact details
NPI enumeration date
January 31, 2007
NPI status
Active
Practice phone
(734) 936-4000
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
49
Medical school graduation
2003

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data

Dr. Patrick Joseph Grohar practices at University Hospital in Ann Arbor, Michigan

Dr. Grohar's primary practice is University Hospital, at 1500 E Medical Center Dr, Ann Arbor, MI 48109. The practice phone is (734) 936-4000.

  • University Hospital
    1500 E Medical Center Dr, Ann Arbor, MI 48109Phone(734) 936-4000

Source: Dmand AI Affiliation Data

Dr. Patrick Joseph Grohar is affiliated with 2 sites of care and 2 medical groups

Dr. Grohar's primary practice is University Hospital in Ann Arbor, Michigan. Dr. Grohar is also affiliated with Corewell Health Grand Rapids Hospitals - Butterworth. The medical group on file is University of Michigan Health. Dmand AI also links Dr. Grohar to 1 more medical group, named with a free account. Dr. Grohar's employer is on file too: a school & student health.

See all 4 affiliations for Dr. Grohar

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Patrick Joseph Grohar's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Grohar practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
University HospitalAvailable with a free account
+1 more site and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Patrick Joseph Grohar is one of 86 pediatric hematologys and oncology physicians in Michigan

Pediatric hematology-oncology is Dr. Grohar's primary specialty in the NPI Registry, under taxonomy code 2080P0207X. Dmand AI has Dr. Grohar's licenses on file in 3 states: Michigan, Maryland and Tennessee.

Specialties and state licenses

  • Pediatric hematology and oncology, MichiganPrimaryLicense 4301108736 · taxonomy 2080P0207X
  • Maryland licenseLicense D64510
  • Tennessee licenseLicense MD48043

Pediatric hematologys and oncology physicians near Dr. Grohar

Counts of pediatric hematologys and oncology physicians with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Patrick Joseph Grohar's patients have a median age of 11

Across all payers, Dmand AI patient panel data puts Dr. Grohar's median patient age at 11, with 37% women.

Dr. Grohar's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 11

Patient panel by sex, all payers

  • Women37%
  • Men63%

Source: Dmand AI Patient Panel Data

Dr. Patrick Joseph Grohar has 37 publications on record

Dmand AI links 37 papers to Dr. Grohar, published from 2011 to 2025. 2016 was the busiest year, with 6. The most frequent topics are Sarcoma, Ewing, Oncogene Proteins, Fusion and RNA-Binding Protein EWS. Dr. Grohar has published most often in Clin Cancer Res. Dr. Grohar's most frequent co-authors are Lee Jay Helman, MD, Richard G. Gorlick, MD and Damon R. Reed, MD.

Papers37
Years published2011 to 2025

Dr. Grohar's papers by year, 2015 to 2025

Topics Dr. Grohar writes about most

  • Sarcoma, Ewing
  • Oncogene Proteins, Fusion
  • RNA-Binding Protein EWS
  • Proto-Oncogene Protein c-fli-1
  • Bone Neoplasms
  • Cell Line, Tumor
  • Gene Expression Regulation, Neoplastic
  • Trabectedin

Dr. Grohar's most frequent co-authors

Recent publications by Dr. Grohar

See all 37 publications and co-authors

See who Dr. Grohar researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Grohar works with, so you can find a warm path to the right pediatric hematologys and oncology physicians.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Patrick Joseph Grohar has worked on 1 clinical trial

Dmand AI links Dr. Grohar to 1 clinical trial. Conditions studied include Sarcoma, Ewing and Osteosarcoma.

Conditions in Dr. Grohar's trials

  • Sarcoma, Ewing
  • Osteosarcoma

Investigators on the most trials with Dr. Grohar

Recent clinical trials with Dr. Grohar

Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Dr. Patrick Joseph Grohar received $9,721 in industry payments from 2016 to 2024

CMS Open Payments shows 10 general payments to Dr. Grohar from 3 drug and device companies from 2016 to 2024. Consulting fees make up the largest share, 87% of the total. LAM Therapeutics, Inc. paid the most, $4,750.

General payments to Dr. Grohar by program year, 2016 to 2024

General payments to Dr. Grohar by kind, 2016 to 2024

$9.7Kin total
  • Consulting fees$8,47087%
  • Travel and lodging$1,13712%
  • Food and beverage$1141%

Companies that paid Dr. Grohar the most, 2016 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. Grohar

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Patrick Joseph Grohar graduated from Wayne State University School of Medicine

Dr. Grohar graduated from Wayne State University School of Medicine in 2003.

  1. Medical schoolWayne State University School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Patrick Joseph Grohar's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Patrick Joseph Grohar

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Patrick Joseph Grohar's NPI number?

Dr. Patrick Joseph Grohar's NPI number is 1225175201. It was assigned on January 31, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. Patrick Joseph Grohar?

Dr. Patrick Joseph Grohar is a pediatric hematology and oncology physician in Ann Arbor, Michigan. The primary specialty in the NPI Registry is Pediatric Hematology & Oncology Physician (taxonomy code 2080P0207X).

Where does Dr. Patrick Joseph Grohar practice?

Dr. Grohar practices at 1500 E Medical Center Dr, Ann Arbor, MI 48109. Dr. Grohar's primary practice is University Hospital in Ann Arbor, Michigan. Dmand AI also links Dr. Grohar to 1 medical group.

What is Dr. Patrick Joseph Grohar's office phone number?

The practice phone on file for Dr. Grohar is (734) 936-4000.

What is Dr. Patrick Joseph Grohar's medical license number?

Dr. Grohar holds Michigan license 4301108736, one of the licenses on file in 3 states.

Which states has Dr. Patrick Joseph Grohar been licensed in?

Dmand AI has state licenses on file for Dr. Grohar in Michigan, Maryland and Tennessee.

Which hospitals is Dr. Patrick Joseph Grohar affiliated with?

Dr. Grohar is affiliated with Corewell Health Grand Rapids Hospitals - Butterworth.

What medical group is Dr. Patrick Joseph Grohar part of?

Dr. Grohar is linked to University of Michigan Health. Dmand AI links Dr. Grohar to 1 more medical group.

Where did Dr. Patrick Joseph Grohar go to medical school?

Dr. Grohar graduated from Wayne State University School of Medicine in 2003.

Has Dr. Patrick Joseph Grohar received payments from drug or device companies?

CMS Open Payments shows $9,721 in general payments to Dr. Grohar from 3 companies from 2016 to 2024. The largest total came from LAM Therapeutics, Inc.

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How long has Dr. Patrick Joseph Grohar been practicing?

Dr. Grohar graduated from medical school in 2003, 23 years ago.

Does Dr. Patrick Joseph Grohar do research?

Dmand AI links 37 publications to Dr. Grohar, published from 2011 to 2025. Dr. Grohar has worked on 1 clinical trial.

Who does Dr. Patrick Joseph Grohar publish with?

Dr. Grohar's most frequent co-authors are Lee Jay Helman, MD (10 shared papers), Richard G. Gorlick, MD (5 shared papers) and Damon R. Reed, MD (5 shared papers).

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