Dr. Gregory S. Shields, MD
- Medicare services, 2024
- 7,090
- Medicare patients, 2024
- 1,743
- MIPS score, 2024
- 100
- Hospital affiliations
- 6
- Industry payments
- $547
- Practice address
- 400 North Main Street, Warsaw, NY 14569
- Practice phone
- Call (585) 786-8940
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Shields' professional email, personal email and mobile number
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Dr. Gregory S. Shields is a diagnostic radiologist in Warsaw, New York
Dr. Shields practices at Wyoming County Community Health System in Warsaw, New York, part of Wyoming County, New York.
Dr. Shields' NPI, 1013975895, was assigned on May 2, 2006. Dr. Shields graduated from Virginia Commonwealth University School of Medicine in 1997. Dr. Shields holds New York license 234818.
- NPI
- 1013975895NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6406800457
- NPI enumeration date
- May 2, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (585) 786-8940
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 55
- Medical school graduation
- 1997
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gregory S. Shields practices at Wyoming County Community Health System in Warsaw, New York
Dr. Shields' primary practice is Wyoming County Community Health System, at 400 North Main Street, Warsaw, NY 14569 in Wyoming County. The practice phone is (585) 786-8940.
- Wyoming County Community Health System400 North Main Street, Warsaw, NY 14569 · Wyoming CountyPhone(585) 786-8940
Source: Dmand AI Affiliation Data
Dr. Gregory S. Shields is affiliated with 8 sites of care and 9 medical groups
Dr. Shields' primary practice is Wyoming County Community Health System in Warsaw, New York, part of Wyoming County, New York. Dr. Shields is also affiliated with Buffalo General Medical Center/Gates Vascular Institute. The medical group on file is Rochester Regional Health. Dmand AI also links Dr. Shields to 4 more hospitals, 8 medical groups, 1 group practice or clinic and 1 rural health clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Gregory S. Shields' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Shields practices, 8 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Wyoming County Community Health System | Available with a free account |
| +7 more sites and 8 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Wyoming County, New York and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Gregory S. Shields is one of 2,697 diagnostic radiologists in New York
Diagnostic radiology is Dr. Shields' primary specialty in the NPI Registry, under taxonomy code 2085R0202X. Dr. Shields is licensed in New York.
Specialties and state licenses
- Diagnostic radiology, New YorkPrimary
Diagnostic radiologists near Dr. Shields
Counts of diagnostic radiologists 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. Gregory S. Shields billed Medicare for 7,090 services in 2024
CMS data shows 7,090 Medicare services from Dr. Shields across 59 procedure codes in 2024, for 1,743 Medicare patients. Medicare paid $84,365 for them.
Dr. Shields' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Other services
- 2023: 2,8502024: 4,36653%
- Imaging
- 2023: 2,5112024: 2,6455%
- Tests and treatments
- 2023: 842024: 796%
Where Dr. Shields' Medicare services took place, 2024
- In an office4,55064%
- In a facility2,54036%
Dr. Shields compared with the New York median for diagnostic radiologists, 2024
- Dr. Shields
- New York median
- Medicare services
- 7,090vs 2,4142.9 times
- Medicare patients
- 1,743vs 1,15950% above
Medians across 2,610 diagnostic radiologists in New York with Dmand AI profiles that report each measure.
Dr. Shields' 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.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gregory S. Shields treated 1,743 Medicare patients in 2024, average age 72
CMS counts 1,743 Medicare patients who saw Dr. Shields in 2024. The largest group is 65 to 74, with 650 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 30% are also on Medicaid. Their average risk score is 1.40, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Shields' median patient age at 69, with 58% women.
Dr. Shields' Medicare patients by age, 2024
Dr. Shields' Medicare patients by sex, 2024
- Women1,03659%
- Men70741%
Chronic conditions among Dr. Shields' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis57%
- Diabetes35%
- Anxiety34%
- Chronic kidney disease33%
- Ischemic heart disease33%
- Mood disorders32%
Share of Medicare patients with each condition. A patient can have several.
Dr. Shields' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women58%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gregory S. Shields scored 100 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Dr. Shields for performance year 2024, reported as part of a group. Dr. Shields accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Shields' MIPS scores, performance year 2024
- 100of 100Final score
- 100of 100Quality
- 40of 100Improvement Activities
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. Gregory S. Shields received $547 in industry payments from 2016 to 2023
CMS Open Payments shows 8 general payments to Dr. Shields from 5 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 100% of the total. GE Healthcare paid the most, $221.
General payments to Dr. Shields by program year, 2016 to 2023
Companies that paid Dr. Shields the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Gregory S. Shields graduated from Virginia Commonwealth University School of Medicine
Dr. Shields graduated from Virginia Commonwealth University School of Medicine in 1997.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Gregory S. Shields'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 DataDmand AI Org Hierarchy 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile 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. Gregory S. Shields
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. Gregory S. Shields' NPI number?
Dr. Gregory S. Shields' NPI number is 1013975895. It was assigned on May 2, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Gregory S. Shields?
Dr. Gregory S. Shields is a diagnostic radiologist in Warsaw, New York. The primary specialty in the NPI Registry is Diagnostic Radiology Physician (taxonomy code 2085R0202X).
Where does Dr. Gregory S. Shields practice?
Dr. Shields practices at 400 North Main Street, Warsaw, NY 14569. Dr. Shields' primary practice is Wyoming County Community Health System in Warsaw, New York, part of Wyoming County, New York. Dmand AI also links Dr. Shields to 4 hospitals, 8 medical groups, 1 group practice or clinic and 1 rural health clinic.
What is Dr. Gregory S. Shields' office phone number?
The practice phone on file for Dr. Shields is (585) 786-8940.
What is Dr. Gregory S. Shields' medical license number?
Dr. Shields holds New York license 234818.
Which hospitals is Dr. Gregory S. Shields affiliated with?
Dr. Shields practices at Wyoming County Community Health System in Warsaw, New York. Dr. Shields is also affiliated with Buffalo General Medical Center/Gates Vascular Institute. Dmand AI links Dr. Shields to 4 more hospitals.
What medical group is Dr. Gregory S. Shields part of?
Dr. Shields is linked to Rochester Regional Health. Dmand AI links Dr. Shields to 8 more medical groups.
Does Dr. Gregory S. Shields accept Medicare?
Yes. CMS data shows Dr. Shields billed Medicare for 7,090 services in 2024, and Dr. Shields accepts Medicare assignment.
What is Dr. Gregory S. Shields' MIPS score?
Dr. Shields' MIPS final score for performance year 2024 is 100 out of 100, reported as part of a group.
How many Medicare patients does Dr. Gregory S. Shields see?
CMS counts 1,743 Medicare patients who saw Dr. Shields in 2024, with an average age of 72.
Show 4 more questionsShow fewer questions
What services does Dr. Gregory S. Shields bill to Medicare?
In 2024, Dr. Shields' most billed Medicare services were medical supplies or transport (A9575), diagnostic imaging (71045) and diagnostic imaging (71046).
Where did Dr. Gregory S. Shields go to medical school?
Dr. Shields graduated from Virginia Commonwealth University School of Medicine in 1997.
Has Dr. Gregory S. Shields received payments from drug or device companies?
CMS Open Payments shows $547 in general payments to Dr. Shields from 5 companies from 2016 to 2023. The largest total came from GE Healthcare.
How long has Dr. Gregory S. Shields been practicing?
Dr. Shields graduated from medical school in 1997, 29 years ago.
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