Skeletal Radiol
Arthropathy, NeurogenicCalcium PyrophosphateChondrocalcinosis
Dr. Gregory S. Chapman, MD
NPI1962488502
- Medicare services, 2021
- 479
- Publications
- 1
- Industry payments
- $344
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 1200 Binz St, Houston, TX 77004-6900
- Practice phone
- Call (713) 797-9191
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Diagnostic Clinic Of Houston
Multi-specialty group site · Houston, Texas
Find Dr. Chapman'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 S. Chapman is a diagnostic radiologist in Houston, Texas
Dr. Chapman practices at Diagnostic Clinic Of Houston in Houston, Texas.
Dr. Chapman's NPI, 1962488502, was assigned on December 15, 2005. Dr. Chapman graduated from McGovern Medical School in 1976. Dr. Chapman's Texas license number on file is E6277.
NPI and contact details
- NPI
- 1962488502NPI Registry (opens in a new tab)
- NPI enumeration date
- December 15, 2005
- NPI status
- Active
- Practice phone
- (713) 797-9191
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Medical school graduation
- 1976
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. Chapman practices at Diagnostic Clinic of Houston in Houston, Texas
Dr. Chapman's primary practice is Diagnostic Clinic of Houston, at 1200 Binz St, Houston, TX 77004-6900. The practice phone is (713) 797-9191.
- Diagnostic Clinic of Houston1200 Binz St, Houston, TX 77004-6900Phone(713) 797-9191
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gregory S. Chapman is affiliated with 1 site of care and 1 medical group
Dr. Chapman's primary practice is Diagnostic Clinic Of Houston in Houston, Texas. Dmand AI also links Dr. Chapman to 1 medical group, named with a free account.
Diagnostic Clinic Of HoustonPrimary
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. Gregory S. Chapman's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chapman practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Diagnostic Clinic Of Houston | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
See the EHR and IT leaders at every site where Dr. Chapman practices
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Dr. Gregory S. Chapman is one of 2,616 diagnostic radiologists in Texas
Diagnostic radiology is Dr. Chapman's primary specialty in the NPI Registry, under taxonomy code 2085R0202X. Dr. Chapman is board certified in diagnostic radiology by the American Board of Radiology. Dr. Chapman has a license on file in Texas.
Specialties and state licenses
- Diagnostic radiology, TexasPrimary
Diagnostic radiologists near Dr. Chapman
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. Chapman billed Medicare for 479 services in 2021
CMS data shows 479 Medicare services from Dr. Chapman across 9 procedure codes in 2021. Medicare paid $56,260 for them. Every service was in an office.
Medicare services, 2021479
Paid by Medicare$56,260
Procedure codes9
Dr. Chapman's Medicare services by type, 2020 to 2021
- 2020
- 2021
- Imaging
- 2020: 8952021: 46148%
- Other services
- 2020: 492021: 1863%
- Tests and treatments
- 2020: 132021: 0100%
Dr. Chapman compared with the Texas median for diagnostic radiologists, 2021
- Dr. Chapman
- Texas median
- Medicare services
- 479vs 1,87474% below
Medians across 2,414 diagnostic radiologists in Texas with Dmand AI profiles that report each measure.
Dr. Chapman's most billed Medicare procedure codes, 2021
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. Chapman?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Chapman and other diagnostic radiologists in Texas.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
For MedTech and pharma teams
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Dr. Gregory S. Chapman has 1 publication on record
Dmand AI links 1 paper to Dr. Chapman.
Papers1
Recent publications by Dr. Chapman
See who Dr. Chapman researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Chapman works with, so you can find a warm path to the right diagnostic radiologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Gregory S. Chapman received $344 in industry payments from 2016 to 2021
CMS Open Payments shows 20 general payments to Dr. Chapman from 9 drug and device companies from 2016 to 2021. Food and beverage make up the largest share, 100% of the total. CSL Behring paid the most, $64.
General payments to Dr. Chapman by program year, 2016 to 2021
Companies that paid Dr. Chapman the most, 2016 to 2021
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Gregory S. Chapman graduated from McGovern Medical School
Dr. Chapman graduated from McGovern Medical School in 1976.
- Medical school
- Board certified in diagnostic radiology
Source: Dmand AI Professional Profile Data
Dr. Gregory S. Chapman accepts plans from 14 insurance carriers
Dr. Chapman is in network with 14 carriers, including Excellus BlueCross BlueShield, Elevance and United Healthcare. HMO plans come from the most carriers, 10. Check the plan with the practice before a visit.
- Excellus BlueCross BlueShield
- Elevance
- United Healthcare
- Blue Cross Blue Shield of Michigan
- Aetna
- Alliant Health Plans
- HCSC
- Baylor Scott and White
- +6 more carriersWith a free account
Plan types Dr. Chapman accepts, by number of carriers
- HMO10
- PPO8
- POS5
- EPO4
- Medicare2
Source: Dmand AI Insurance Network Data
Sources for Dr. Gregory S. Chapman'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 DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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 |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Gregory S. Chapman
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. Chapman's NPI number?
Dr. Gregory S. Chapman's NPI number is 1962488502. It was assigned on December 15, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Gregory S. Chapman?
Dr. Gregory S. Chapman is a diagnostic radiologist in Houston, Texas. The primary specialty in the NPI Registry is Diagnostic Radiology Physician (taxonomy code 2085R0202X).
Where does Dr. Gregory S. Chapman practice?
Dr. Chapman practices at 1200 Binz St, Houston, TX 77004-6900. Dr. Chapman's primary practice is Diagnostic Clinic Of Houston in Houston, Texas. Dmand AI also links Dr. Chapman to 1 medical group.
What is Dr. Gregory S. Chapman's office phone number?
The practice phone on file for Dr. Chapman is (713) 797-9191.
What is Dr. Gregory S. Chapman's medical license number?
Dr. Chapman's Texas license number on file is E6277.
Does Dr. Gregory S. Chapman accept Medicare?
Yes. CMS data shows Dr. Chapman billed Medicare for 479 services in 2021.
Is Dr. Gregory S. Chapman board certified?
Yes. Dr. Chapman is board certified in diagnostic radiology by the American Board of Radiology.
What services does Dr. Gregory S. Chapman bill to Medicare?
In 2021, Dr. Chapman's most billed Medicare services were nuclear medicine (78815), diagnostic imaging (71260) and diagnostic imaging (74177).
Where did Dr. Gregory S. Chapman go to medical school?
Dr. Chapman graduated from McGovern Medical School in 1976.
Has Dr. Gregory S. Chapman received payments from drug or device companies?
CMS Open Payments shows $344 in general payments to Dr. Chapman from 9 companies from 2016 to 2021. The largest total came from CSL Behring.
Show 3 more questionsShow fewer questions
How long has Dr. Gregory S. Chapman been practicing?
Dr. Chapman graduated from medical school in 1976, 50 years ago.
Does Dr. Gregory S. Chapman do research?
Dmand AI links 1 publication to Dr. Chapman.
What insurance does Dr. Gregory S. Chapman accept?
Dr. Chapman is in network with 14 carriers, including Excellus BlueCross BlueShield, Elevance and United Healthcare. HMO plans come from the most carriers, 10. Check the plan with the practice before a visit.
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