Dr. Martin Campbell Gregory, MD
- Medicare services, 2024
- 43
- Medicare patients, 2024
- 24
- Publications
- 54
- Clinical trials
- 2
- MIPS score, 2024
- 90
- Practice address
- 50 North Medical Drive, Salt Lake City, UT 84132
- Practice phone
- Call (801) 581-2337
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
University of Utah Hospitals and Clinics - Unit
Acute Care Hospital-Unit · Salt Lake City, Utah
Find Dr. Gregory's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Martin Campbell Gregory is a nephrologist in Salt Lake City, Utah
Dr. Gregory practices at University of Utah Hospitals and Clinics - Unit in Salt Lake City, Utah.
Dr. Gregory's NPI, 1912926049, was assigned on July 19, 2006. Dr. Gregory graduated from Oxford University Medical School in 1968. Dr. Gregory holds Utah license 167482-1205.
- NPI
- 1912926049NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0345293627
- NPI enumeration date
- July 19, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (801) 581-2337
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 89
- Medical school graduation
- 1968
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Martin Campbell Gregory practices at University of Utah Hospitals and Clinics - Unit in Salt Lake City, Utah
Dr. Gregory's primary practice is University of Utah Hospitals and Clinics - Unit, at 50 North Medical Drive, Salt Lake City, UT 84132 in Salt Lake County. The practice phone is (801) 581-2337.
- University of Utah Hospitals and Clinics - Unit50 North Medical Drive, Salt Lake City, UT 84132 · Salt Lake CountyPhone(801) 581-2337
Source: Dmand AI Affiliation Data
Dr. Martin Campbell Gregory is affiliated with 2 sites of care and 1 medical group
Dr. Gregory's primary practice is University of Utah Hospitals and Clinics - Unit in Salt Lake City, Utah. Dr. Gregory is also affiliated with University of Utah Hospital. The medical group on file is University of Utah Health.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Martin Campbell Gregory's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gregory practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| University of Utah Hospitals and Clinics - Unit | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Martin Campbell Gregory is one of 75 nephrologists in Utah
Nephrology is Dr. Gregory's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Gregory is board certified in internal medicine by the American Board of Internal Medicine. Dr. Gregory is licensed in Utah.
Specialties and state licenses
- Nephrology, UtahPrimary
Clinical focus
Dmand AI lists chronic kidney disease among the conditions Dr. Gregory treats.
Nephrologists near Dr. Gregory
Counts of nephrologists 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. Martin Campbell Gregory billed Medicare for 43 services in 2024
CMS data shows 43 Medicare services from Dr. Gregory across 2 procedure codes in 2024, for 24 Medicare patients. Medicare paid $4,530 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Gregory's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1232024: 4365%
- Tests and treatments
- 2023: 352024: 0100%
Dr. Gregory compared with the Utah median for nephrologists, 2024
- Dr. Gregory
- Utah median
- Medicare services
- 43vs 63693% below
- Medicare patients
- 24vs 20688% below
Medians across 75 nephrologists in Utah with Dmand AI profiles that report each measure.
Dr. Gregory's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Gregory?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Gregory and other nephrologists in Utah.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Martin Campbell Gregory treated 24 Medicare patients in 2024, average age 63
CMS counts 24 Medicare patients who saw Dr. Gregory in 2024. The largest group is 65 to 74, with 11 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. Their average risk score is 4.53, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Gregory's median patient age at 67, with 15% women.
Dr. Gregory's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Gregory's Medicare patients, 2024
- Chronic kidney disease75%
- High blood pressure75%
- High cholesterol63%
- Heart failure54%
Share of Medicare patients with each condition. A patient can have several.
Dr. Gregory's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women15%
- Men77%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Martin Campbell Gregory scored 90 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 90 out of 100 for Dr. Gregory for performance year 2024, reported as part of a group. Dr. Gregory accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Gregory's MIPS scores, performance year 2024
- 90of 100Final score
- 91.5of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 74of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Martin Campbell Gregory has 54 publications on record
Dmand AI links 54 papers to Dr. Gregory, published from 2008 to 2025. 2013 was the busiest year, with 3. The most frequent topics are Nephritis, Hereditary, Kidney Failure, Chronic and Collagen. Dr. Gregory has published most often in J Am Soc Nephrol. Dr. Gregory's most frequent co-authors are Clifford E. Kashtan, MD, Peter H. Byers, MD and Faisal Ahmed, MD.
Dr. Gregory's papers by year, 2008 to 2025
Topics Dr. Gregory writes about most
- Nephritis, Hereditary
- Kidney Failure, Chronic
- Collagen
- Base Sequence
- Molecular Sequence Data
- Collagen Type IV
- DNA Mutational Analysis
- Pedigree
Dr. Gregory's most frequent co-authors
- Clifford E. Kashtan, MD7 shared papers
- Peter H. Byers, MD3 shared papers
- Faisal Ahmed, MD2 shared papers
Recent publications by Dr. Gregory
Clin J Am Soc Nephrol
See who Dr. Gregory researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Gregory works with, so you can find a warm path to the right nephrologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Martin Campbell Gregory has worked on 2 clinical trials
Dmand AI links Dr. Gregory to 2 clinical trials. Conditions studied include Nephritis, Hereditary and Collagen Diseases.
Clinical trials with Dr. Gregory by phase
- NonePhase 1: no trials
- 1Phase 2: 1 trial
- 1Phase 2/3: 1 trial
- NonePhase 3: no trials
- NonePhase 4: no trials
Conditions in Dr. Gregory's trials
- Nephritis, Hereditary
- Collagen Diseases
Investigators on the most trials with Dr. Gregory
- Mohamed Ali El-Shahawy, MD2 shared trials
- George Jarad, MD2 shared trials
- Michelle Nicole Rheault, MD2 shared trials
Recent clinical trials with Dr. Gregory
Study of Lademirsen (SAR339375) in Patients With Alport Syndrome (opens in a new tab)
A Phase 2/3 Trial of the Efficacy and Safety of Bardoxolone Methyl in Patients With Alport Syndrome - CARDINAL (opens in a new tab)
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Martin Campbell Gregory received $221 in industry payments from 2016 to 2022
CMS Open Payments shows 3 general payments to Dr. Gregory from 3 drug and device companies from 2016 to 2022. Food and beverage make up the largest share, 100% of the total. Covidien LP paid the most, $108.
General payments to Dr. Gregory by program year, 2016 to 2022
Companies that paid Dr. Gregory the most, 2016 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Martin Campbell Gregory has 2 awards and honors on record
Dmand AI lists 2 awards for Dr. Gregory, most recently Regional Top Doctor in 2014.
Awards and honors for Dr. Gregory
- 2014
- Regional Top Doctor
- Undated
- Checkbook Top Doc
Source: Dmand AI Professional Profile Data
Dr. Martin Campbell Gregory graduated from Oxford University Medical School
Dr. Gregory graduated from Oxford University Medical School in 1968. Dr. Gregory is a member of ASN.
- Medical school
- Board certified in internal medicine
- Board certified in nephrology
Source: Dmand AI Professional Profile Data
Dr. Martin Campbell Gregory accepts plans from 14 insurance carriers
Dr. Gregory is in network with 14 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Cigna
- Elevance
- Molina
- Alliant Health Plans
- HCSC
- +6 more carriersWith a free account
Plan types Dr. Gregory accepts, by number of carriers
- PPO10
- HMO8
- Medicare8
- POS3
- EPO2
- Medicaid2
Source: Dmand AI Insurance Network Data
Sources for Dr. Martin Campbell Gregory's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Martin Campbell Gregory
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. Martin Campbell Gregory's NPI number?
Dr. Martin Campbell Gregory's NPI number is 1912926049. It was assigned on July 19, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Martin Campbell Gregory?
Dr. Martin Campbell Gregory is a nephrologist in Salt Lake City, Utah. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).
Where does Dr. Martin Campbell Gregory practice?
Dr. Gregory practices at 50 North Medical Drive, Salt Lake City, UT 84132. Dr. Gregory's primary practice is University of Utah Hospitals and Clinics - Unit in Salt Lake City, Utah.
What is Dr. Martin Campbell Gregory's office phone number?
The practice phone on file for Dr. Gregory is (801) 581-2337.
What is Dr. Martin Campbell Gregory's medical license number?
Dr. Gregory holds Utah license 167482-1205.
Which hospitals is Dr. Martin Campbell Gregory affiliated with?
Dr. Gregory is affiliated with University of Utah Hospital. Dmand AI links Dr. Gregory to 1 more hospital.
What medical group is Dr. Martin Campbell Gregory part of?
Dr. Gregory is linked to University of Utah Health.
Does Dr. Martin Campbell Gregory accept Medicare?
Yes. CMS data shows Dr. Gregory billed Medicare for 43 services in 2024, and Dr. Gregory accepts Medicare assignment.
What is Dr. Martin Campbell Gregory's MIPS score?
Dr. Gregory's MIPS final score for performance year 2024 is 90 out of 100, reported as part of a group.
How many Medicare patients does Dr. Martin Campbell Gregory see?
CMS counts 24 Medicare patients who saw Dr. Gregory in 2024, with an average age of 63.
Show 8 more questionsShow fewer questions
Is Dr. Martin Campbell Gregory board certified?
Yes. Dr. Gregory is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Martin Campbell Gregory bill to Medicare?
In 2024, Dr. Gregory's most billed Medicare services were hospital inpatient care (99233) and hospital inpatient care (99223).
Where did Dr. Martin Campbell Gregory go to medical school?
Dr. Gregory graduated from Oxford University Medical School in 1968.
Has Dr. Martin Campbell Gregory received payments from drug or device companies?
CMS Open Payments shows $221 in general payments to Dr. Gregory from 3 companies from 2016 to 2022. The largest total came from Covidien LP.
How long has Dr. Martin Campbell Gregory been practicing?
Dr. Gregory graduated from medical school in 1968, 58 years ago.
Does Dr. Martin Campbell Gregory do research?
Dmand AI links 54 publications to Dr. Gregory, published from 2008 to 2025. Dr. Gregory has worked on 2 clinical trials.
Who does Dr. Martin Campbell Gregory publish with?
Dr. Gregory's most frequent co-authors are Clifford E. Kashtan, MD (7 shared papers), Peter H. Byers, MD (3 shared papers) and Faisal Ahmed, MD (2 shared papers).
What insurance does Dr. Martin Campbell Gregory accept?
Dr. Gregory is in network with 14 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.
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