Dr. Stephen Harrison Gregory, MD
- Medicare services, 2024
- 74
- Medicare patients, 2024
- 111
- MIPS score, 2024
- 84
- Hospital affiliations
- 2
- Industry payments
- $202
- Practice address
- One Barnes-Jewish Hospital Plaza, Saint Louis, MO 63110
- Practice phone
- Call (314) 747-3000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Stephen Harrison Gregory is an anesthesiologist in Saint Louis, Missouri
Dr. Gregory practices at Barnes-Jewish Hospital in Saint Louis, Missouri, part of BJC Health.
Dr. Gregory's NPI, 1710249669, was assigned on June 15, 2012. Dr. Gregory graduated from Saint Louis University School of Medicine in 2012. Dr. Gregory holds Missouri license 2017006910.
- NPI
- 1710249669NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6608144159
- NPI enumeration date
- June 15, 2012
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (314) 747-3000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 40
- Medical school graduation
- 2012
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Stephen Harrison Gregory practices at 2 locations in Saint Louis, Missouri
Dr. Gregory's primary practice is Barnes-Jewish Hospital, at One Barnes-Jewish Hospital Plaza, Saint Louis, MO 63110 in St. Louis City. The practice phone is (314) 747-3000. Dr. Gregory also practices at Barnes-Jewish Hospital, 1 Barnes Jewish Hospital Plz, Saint Louis, MO 63110.
- Barnes-Jewish HospitalPrimaryOne Barnes-Jewish Hospital Plaza, Saint Louis, MO 63110 · St. Louis CityPhone(314) 747-3000
- Barnes-Jewish Hospital1 Barnes Jewish Hospital Plz, Saint Louis, MO 63110 · Saint Louis CityPhone(314) 747-3000
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. Stephen Harrison Gregory is affiliated with 2 sites of care and 1 medical group
Dr. Gregory's primary practice is Barnes-Jewish Hospital in Saint Louis, Missouri, part of BJC Health. Dr. Gregory is also affiliated with Barnes-Jewish West County Hospital. The medical group on file is WashU Medicine Psychiatry.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Stephen Harrison 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 |
|---|---|
| Barnes-Jewish Hospital | 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. Stephen Harrison Gregory is one of 819 anesthesiologists in Missouri
Anesthesiology is Dr. Gregory's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Gregory is licensed in Missouri.
Specialties and state licenses
- Anesthesiology, MissouriPrimary
Anesthesiologists near Dr. Gregory
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. Stephen Harrison Gregory billed Medicare for 74 services in 2024
CMS data shows 74 Medicare services from Dr. Gregory across 4 procedure codes in 2024, for 111 Medicare patients. Medicare paid $3,657 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
- Tests and treatments
- 2023: 432024: 3421%
- Surgery
- 2023: 412024: 2734%
- Anesthesia
- 2023: 02024: 13
Dr. Gregory compared with the Missouri median for anesthesiologists, 2024
- Dr. Gregory
- Missouri median
- Medicare services
- 74vs 75Close to median
- Medicare patients
- 111vs 14021% below
Medians across 839 anesthesiologists in Missouri 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.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Stephen Harrison Gregory treated 111 Medicare patients in 2024, average age 71
CMS counts 111 Medicare patients who saw Dr. Gregory in 2024. The largest group is 65 to 74, with 49 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 19% are also on Medicaid. Their average risk score is 2.69, 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 50% women.
Dr. Gregory's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Gregory's Medicare patients by sex, 2024
- Women4742%
- Men6458%
Chronic conditions among Dr. Gregory's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease65%
- Heart failure62%
- Atrial fibrillation59%
- Chronic kidney disease52%
- Arthritis51%
- Diabetes40%
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
- Women50%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Stephen Harrison Gregory scored 84 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 84 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
- 84of 100Final score
- 71.6of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 76of 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. Stephen Harrison Gregory received $202 in industry payments from 2023 to 2024
CMS Open Payments shows 8 general payments to Dr. Gregory from 1 drug or device company from 2023 to 2024. Food and beverage make up the largest share, 100% of the total. Astellas Pharma US Inc paid the most, $202.
General payments to Dr. Gregory by program year, 2023 to 2024
Companies that paid Dr. Gregory the most, 2023 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Stephen Harrison Gregory graduated from Saint Louis University School of Medicine
Dr. Gregory graduated from Saint Louis University School of Medicine in 2012.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Stephen Harrison 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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDmand AI Practice 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. Stephen Harrison 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. Stephen Harrison Gregory's NPI number?
Dr. Stephen Harrison Gregory's NPI number is 1710249669. It was assigned on June 15, 2012, and it is active in the NPI Registry.
What kind of doctor is Dr. Stephen Harrison Gregory?
Dr. Stephen Harrison Gregory is an anesthesiologist in Saint Louis, Missouri. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Stephen Harrison Gregory practice?
Dr. Gregory practices at One Barnes-Jewish Hospital Plaza, Saint Louis, MO 63110. Dr. Gregory also practices at 1 Barnes Jewish Hospital Plz, Saint Louis, MO 63110. Dr. Gregory's primary practice is Barnes-Jewish Hospital in Saint Louis, Missouri, part of BJC Health.
What is Dr. Stephen Harrison Gregory's office phone number?
The practice phone on file for Dr. Gregory is (314) 747-3000.
What is Dr. Stephen Harrison Gregory's medical license number?
Dr. Gregory holds Missouri license 2017006910.
Which hospitals is Dr. Stephen Harrison Gregory affiliated with?
Dr. Gregory practices at Barnes-Jewish Hospital in Saint Louis, Missouri. Dr. Gregory is also affiliated with Barnes-Jewish West County Hospital.
What medical group is Dr. Stephen Harrison Gregory part of?
Dr. Gregory is linked to WashU Medicine Psychiatry.
Does Dr. Stephen Harrison Gregory accept Medicare?
Yes. CMS data shows Dr. Gregory billed Medicare for 74 services in 2024, and Dr. Gregory accepts Medicare assignment.
What is Dr. Stephen Harrison Gregory's MIPS score?
Dr. Gregory's MIPS final score for performance year 2024 is 84 out of 100, reported as part of a group.
How many Medicare patients does Dr. Stephen Harrison Gregory see?
CMS counts 111 Medicare patients who saw Dr. Gregory in 2024, with an average age of 71.
Show 4 more questionsShow fewer questions
What services does Dr. Stephen Harrison Gregory bill to Medicare?
In 2024, Dr. Gregory's most billed Medicare services were surgery: heart and blood vessels (36620), heart test or procedure (93312) and heart test or procedure (93320).
Where did Dr. Stephen Harrison Gregory go to medical school?
Dr. Gregory graduated from Saint Louis University School of Medicine in 2012.
Has Dr. Stephen Harrison Gregory received payments from drug or device companies?
CMS Open Payments shows $202 in general payments to Dr. Gregory from 1 company from 2023 to 2024. The largest total came from Astellas Pharma US Inc.
How long has Dr. Stephen Harrison Gregory been practicing?
Dr. Gregory graduated from medical school in 2012, 14 years ago.
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