Dr. Gregory D. Hieb, MD
- Medicare services, 2024
- 385
- Medicare patients, 2024
- 436
- Hospital affiliations
- 2
- Industry payments
- $187
- Medical group
- 1
- Practice address
- 1305 W 18th Street, Sioux Falls, SD 57117
- Practice phone
- Call (605) 328-6758
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Sanford Medical Center - Unit
Acute Care Hospital-Unit · Sioux Falls, South Dakota
Find Dr. Hieb'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 D. Hieb is an anesthesiologist in Sioux Falls, South Dakota
Dr. Hieb practices at Sanford Medical Center - Unit in Sioux Falls, South Dakota.
Dr. Hieb's NPI, 1164498655, was assigned on February 24, 2006. Dr. Hieb graduated from Sanford School of Medicine of University of South Dakota in 1999. Dr. Hieb holds South Dakota license 5647.
- NPI
- 1164498655NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8921078890
- NPI enumeration date
- February 24, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (605) 328-6758
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 53
- Medical school graduation
- 1999
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gregory D. Hieb practices at Sanford Medical Center - Unit in Sioux Falls, South Dakota
Dr. Hieb's primary practice is Sanford Medical Center - Unit, at 1305 W 18th Street, Sioux Falls, SD 57117 in Minnehaha County. The practice phone is (605) 328-6758.
- Sanford Medical Center - Unit1305 W 18th Street, Sioux Falls, SD 57117 · Minnehaha CountyPhone(605) 328-6758
Source: Dmand AI Affiliation Data
Dr. Gregory D. Hieb is affiliated with 3 sites of care and 1 medical group
Dr. Hieb's primary practice is Sanford Medical Center - Unit in Sioux Falls, South Dakota. Dr. Hieb is also affiliated with Sanford USD Medical Center. The medical group on file is Anesthesia Physicians, Ltd. Dmand AI also links Dr. Hieb to 1 more imaging center, named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Gregory D. Hieb's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hieb practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Sanford Medical Center - Unit | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gregory D. Hieb is one of 92 anesthesiologists in South Dakota
Anesthesiology is Dr. Hieb's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Hieb is licensed in South Dakota.
Specialties and state licenses
- Anesthesiology, South DakotaPrimary
Anesthesiologists near Dr. Hieb
Counts of anesthesiologists 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 D. Hieb billed Medicare for 385 services in 2024
CMS data shows 385 Medicare services from Dr. Hieb across 15 procedure codes in 2024, for 436 Medicare patients. Medicare paid $24,994 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Hieb's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Anesthesia
- 2023: 2502024: 251No change
- Imaging
- 2023: 122024: 58383%
- Surgery
- 2023: 432024: 455%
- Tests and treatments
- 2023: 682024: 3154%
Dr. Hieb compared with the South Dakota median for anesthesiologists, 2024
- Dr. Hieb
- South Dakota median
- Medicare services
- 385vs 30526% above
- Medicare patients
- 436vs 440Close to median
Medians across 101 anesthesiologists in South Dakota with Dmand AI profiles that report each measure.
Dr. Hieb'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. Hieb?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Hieb and other anesthesiologists in South Dakota.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gregory D. Hieb treated 436 Medicare patients in 2024, average age 73
CMS counts 436 Medicare patients who saw Dr. Hieb in 2024. The largest group is 65 to 74, with 225 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 9% are also on Medicaid. Their average risk score is 1.44, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Hieb's median patient age at 68, with 54% women.
Dr. Hieb's Medicare patients by age, 2024
Dr. Hieb's Medicare patients by sex, 2024
- Women21650%
- Men22050%
Chronic conditions among Dr. Hieb's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis49%
- Ischemic heart disease46%
- Chronic kidney disease31%
- Atrial fibrillation28%
- Mood disorders28%
- Heart failure27%
Share of Medicare patients with each condition. A patient can have several.
Dr. Hieb's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women54%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Gregory D. Hieb takes part in Medicare
Dr. Hieb 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 D. Hieb received $187 in industry payments from 2016 to 2025
CMS Open Payments shows 6 general payments to Dr. Hieb from 6 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. The Medicines Company paid the most, $89.
General payments to Dr. Hieb by program year, 2016 to 2025
Companies that paid Dr. Hieb the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Gregory D. Hieb graduated from Sanford School of Medicine of University of South Dakota
Dr. Hieb graduated from Sanford School of Medicine of University of South Dakota in 1999.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Gregory D. Hieb'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) |
| 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 D. Hieb
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 D. Hieb's NPI number?
Dr. Gregory D. Hieb's NPI number is 1164498655. It was assigned on February 24, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Gregory D. Hieb?
Dr. Gregory D. Hieb is an anesthesiologist in Sioux Falls, South Dakota. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Gregory D. Hieb practice?
Dr. Hieb practices at 1305 W 18th Street, Sioux Falls, SD 57117. Dr. Hieb's primary practice is Sanford Medical Center - Unit in Sioux Falls, South Dakota. Dmand AI also links Dr. Hieb to 1 imaging center.
What is Dr. Gregory D. Hieb's office phone number?
The practice phone on file for Dr. Hieb is (605) 328-6758.
What is Dr. Gregory D. Hieb's medical license number?
Dr. Hieb holds South Dakota license 5647.
Which hospitals is Dr. Gregory D. Hieb affiliated with?
Dr. Hieb is affiliated with Sanford USD Medical Center. Dmand AI links Dr. Hieb to 1 more hospital.
What medical group is Dr. Gregory D. Hieb part of?
Dr. Hieb is linked to Anesthesia Physicians, Ltd.
Does Dr. Gregory D. Hieb accept Medicare?
Yes. CMS data shows Dr. Hieb billed Medicare for 385 services in 2024, and Dr. Hieb accepts Medicare assignment.
How many Medicare patients does Dr. Gregory D. Hieb see?
CMS counts 436 Medicare patients who saw Dr. Hieb in 2024, with an average age of 73.
What services does Dr. Gregory D. Hieb bill to Medicare?
In 2024, Dr. Hieb's most billed Medicare services were anesthesia (00811), ultrasound (76937) and anesthesia (00731).
Show 3 more questionsShow fewer questions
Where did Dr. Gregory D. Hieb go to medical school?
Dr. Hieb graduated from Sanford School of Medicine of University of South Dakota in 1999.
Has Dr. Gregory D. Hieb received payments from drug or device companies?
CMS Open Payments shows $187 in general payments to Dr. Hieb from 6 companies from 2016 to 2025. The largest total came from The Medicines Company.
How long has Dr. Gregory D. Hieb been practicing?
Dr. Hieb graduated from medical school in 1999, 27 years ago.
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