Dr. Gregory Robert Doll, MD
- Medicare services, 2024
- 392
- Medicare patients, 2024
- 251
- Part D claims, 2024
- 625
- Hospital affiliations
- 1
- Industry payments
- $88
- Practice address
- 221 S 6th St, Terre Haute, IN 47807
- Practice phone
- Call (812) 232-0564
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Union Associated Physicians Clinic
Terre Haute, Indiana
Find Dr. Doll'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. Gregory Robert Doll is a general practice physician in Terre Haute, Indiana
Dr. Doll practices at Union Associated Physicians Clinic in Terre Haute, Indiana.
Dr. Doll's NPI, 1285673764, was assigned on June 6, 2006. Dr. Doll graduated from Michigan State University College of Human Medicine in 1982. Dr. Doll holds Indiana license 01038616A.
- NPI
- 1285673764NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7517939317
- NPI enumeration date
- June 6, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (812) 232-0564
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 70
- Medical school graduation
- 1982
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gregory Robert Doll practices at Union Associated Physicians Clinic in Terre Haute, Indiana
Dr. Doll's primary practice is Union Associated Physicians Clinic, at 221 S 6th St, Terre Haute, IN 47807 in Vigo County. The practice phone is (812) 232-0564.
- Union Associated Physicians Clinic221 S 6th St, Terre Haute, IN 47807 · Vigo CountyPhone(812) 232-0564
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Gregory Robert Doll is affiliated with 3 sites of care and 2 medical groups
Dr. Doll's primary practice is Union Associated Physicians Clinic in Terre Haute, Indiana. Dr. Doll is also affiliated with Union Hospital. The medical group on file is Union Medical Group. Dmand AI also links Dr. Doll to 1 more group practice or clinic and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Gregory Robert Doll's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Doll practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Union Associated Physicians Clinic | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gregory Robert Doll is one of 97 general practice physicians in Indiana
General practice is Dr. Doll's primary specialty in the NPI Registry, under taxonomy code 208D00000X. Dr. Doll is licensed in Indiana.
Specialties and state licenses
- General practice, IndianaPrimary
General practice physicians near Dr. Doll
Counts of general practice 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. Gregory Robert Doll billed Medicare for 392 services in 2024
CMS data shows 392 Medicare services from Dr. Doll across 7 procedure codes in 2024, for 251 Medicare patients. Medicare paid $19,471 for them. Every service was in an office.
Dr. Doll's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3492024: 26424%
- Lab and pathology
- 2023: 1512024: 10928%
- Imaging
- 2023: 562024: 1966%
- Tests and treatments
- 2023: 182024: 0100%
Dr. Doll compared with the Indiana median for general practice physicians, 2024
- Dr. Doll
- Indiana median
- Medicare services
- 392vs 28438% above
- Medicare patients
- 251vs 15958% above
- Part D claims
- 513vs 856.0 times
Medians across 93 general practice physicians in Indiana with Dmand AI profiles that report each measure.
Dr. Doll'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.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gregory Robert Doll treated 251 Medicare patients in 2024, average age 70
CMS counts 251 Medicare patients who saw Dr. Doll in 2024. The largest group is 65 to 74, with 100 patients. 75% of them have high blood pressure, and 73% have high cholesterol. 25% are also on Medicaid. Their average risk score is 1.20, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Doll's median patient age at 40, with 57% women.
Dr. Doll's Medicare patients by age, 2024
Dr. Doll's Medicare patients by sex, 2024
- Women16265%
- Men8935%
Chronic conditions among Dr. Doll's Medicare patients, 2024
- High blood pressure75%
- High cholesterol73%
- Arthritis47%
- Ischemic heart disease31%
- Diabetes30%
- Anxiety28%
- Chronic kidney disease24%
- Mood disorders24%
Share of Medicare patients with each condition. A patient can have several.
Dr. Doll's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 40
Patient panel by sex, all payers
- Women57%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gregory Robert Doll wrote 625 Medicare Part D claims in 2024
In 2024, Dr. Doll wrote 625 Medicare Part D claims for 402 patients. 96% of them were for generic drugs. CMS names the drug for 513 of them, across 15 drugs with 11 or more claims each, at $3,828 in total drug cost. In 2023, CMS named 572 claims across 18 drugs.
Dr. Doll's Part D claims by kind of drug, 2024
- Generic598 claims96%
- Brand-name and other27 claims4%
Dr. Doll's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Doll's Part D claims, 2024
- Antibiotics45%281 of 625 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 5722024: 51310%
Drugs named by CMS: 15 in 2024, 18 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Gregory Robert Doll takes part in Medicare
Dr. Doll accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Gregory Robert Doll received $88 in industry payments from 2020 to 2025
CMS Open Payments shows 6 general payments to Dr. Doll from 5 drug and device companies from 2020 to 2025. Food and beverage make up the largest share, 100% of the total. Otsuka America Pharmaceutical, Inc. paid the most, $33.
General payments to Dr. Doll by program year, 2020 to 2025
Companies that paid Dr. Doll the most, 2020 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Gregory Robert Doll graduated from Michigan State University College of Human Medicine
Dr. Doll graduated from Michigan State University College of Human Medicine in 1982.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Gregory Robert Doll'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - 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) |
| 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 Robert Doll
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 Robert Doll's NPI number?
Dr. Gregory Robert Doll's NPI number is 1285673764. It was assigned on June 6, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Gregory Robert Doll?
Dr. Gregory Robert Doll is a general practice physician in Terre Haute, Indiana. The primary specialty in the NPI Registry is General Practice Physician (taxonomy code 208D00000X).
Where does Dr. Gregory Robert Doll practice?
Dr. Doll practices at 221 S 6th St, Terre Haute, IN 47807. Dr. Doll's primary practice is Union Associated Physicians Clinic in Terre Haute, Indiana. Dmand AI also links Dr. Doll to 1 group practice or clinic and 1 medical group.
What is Dr. Gregory Robert Doll's office phone number?
The practice phone on file for Dr. Doll is (812) 232-0564.
What is Dr. Gregory Robert Doll's medical license number?
Dr. Doll holds Indiana license 01038616A.
Which hospitals is Dr. Gregory Robert Doll affiliated with?
Dr. Doll is affiliated with Union Hospital.
What medical group is Dr. Gregory Robert Doll part of?
Dr. Doll is linked to Union Medical Group. Dmand AI links Dr. Doll to 1 more medical group.
Does Dr. Gregory Robert Doll accept Medicare?
Yes. CMS data shows Dr. Doll billed Medicare for 392 services in 2024, and Dr. Doll accepts Medicare assignment.
How many Medicare patients does Dr. Gregory Robert Doll see?
CMS counts 251 Medicare patients who saw Dr. Doll in 2024, with an average age of 70.
What services does Dr. Gregory Robert Doll bill to Medicare?
In 2024, Dr. Doll's most billed Medicare services were office visit, established patient (99213), lab and pathology test (87635) and office visit, new patient (99203).
Show 4 more questionsShow fewer questions
Where did Dr. Gregory Robert Doll go to medical school?
Dr. Doll graduated from Michigan State University College of Human Medicine in 1982.
What drugs does Dr. Gregory Robert Doll prescribe most?
In 2024 Medicare Part D data, Dr. Doll's most prescribed drugs by claims were Doxycycline Monohydrate, Prednisone and Amoxicillin-Clavulanate Potass.
Has Dr. Gregory Robert Doll received payments from drug or device companies?
CMS Open Payments shows $88 in general payments to Dr. Doll from 5 companies from 2020 to 2025. The largest total came from Otsuka America Pharmaceutical, Inc.
How long has Dr. Gregory Robert Doll been practicing?
Dr. Doll graduated from medical school in 1982, 44 years ago.
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