Dr. Gregory J. Hall, DO
- Medicare services, 2024
- 174
- Medicare patients, 2024
- 146
- Part D claims, 2024
- 215
- Hospital affiliations
- 2
- Industry payments
- $15
- Practice address
- 1635 North Loop West, Houston, TX 77008
- Practice phone
- Call (713) 448-6796
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Hall's professional email, personal email and mobile number
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Dr. Gregory J. Hall is an emergency medicine physician in Houston, Texas
Dr. Hall practices at Memorial Hermann Greater Heights Hospital in Houston, Texas, part of Memorial Hermann Health System.
Dr. Hall's NPI, 1972617660, was assigned on August 18, 2006. Dr. Hall graduated from Texas College of Osteopathic Medicine in 1982. Dr. Hall holds Texas license G3427.
- NPI
- 1972617660NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7517940497
- NPI enumeration date
- August 18, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (713) 448-6796
- 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 Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gregory J. Hall practices at Memorial Hermann Greater Heights Hospital in Houston, Texas
Dr. Hall's primary practice is Memorial Hermann Greater Heights Hospital, at 1635 North Loop West, Houston, TX 77008 in Harris County. The practice phone is (713) 448-6796.
- Memorial Hermann Greater Heights Hospital1635 North Loop West, Houston, TX 77008 · Harris CountyPhone(713) 448-6796
Source: Dmand AI Affiliation Data
Dr. Gregory J. Hall is affiliated with 3 sites of care and 2 medical groups
Dr. Hall's primary practice is Memorial Hermann Greater Heights Hospital in Houston, Texas, part of Memorial Hermann Health System. Dr. Hall is also affiliated with Houston Methodist Willowbrook Hospital. The medical group on file is ACS Primary Care Physicians Southwest, PA. Dmand AI also links Dr. Hall to 1 more group practice or clinic and 1 medical group, 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 J. Hall's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hall practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Memorial Hermann Greater Heights Hospital | Available with a free account |
| +2 more sites and 1 medical group | 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 Memorial Hermann Health System and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Gregory J. Hall is one of 4,831 emergency medicine physicians in Texas
Emergency medicine is Dr. Hall's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Hall is board certified in emergency medicine by the AOA Board of Emergency Medicine. Dr. Hall is licensed in Texas.
Specialties and state licenses
- Emergency medicine, TexasPrimary
Emergency medicine physicians near Dr. Hall
Counts of emergency medicine 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 J. Hall billed Medicare for 174 services in 2024
CMS data shows 174 Medicare services from Dr. Hall across 3 procedure codes in 2024, for 146 Medicare patients. Medicare paid $15,030 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Hall's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1322024: 14711%
- Tests and treatments
- 2023: 152024: 2780%
Dr. Hall compared with the Texas median for emergency medicine physicians, 2024
- Dr. Hall
- Texas median
- Medicare services
- 174vs 22523% below
- Medicare patients
- 146vs 20629% below
- Part D claims
- 103vs 7439% above
Medians across 4,588 emergency medicine physicians in Texas with Dmand AI profiles that report each measure.
Dr. Hall'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. Hall?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Hall and other emergency medicine physicians in Texas.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gregory J. Hall treated 146 Medicare patients in 2024, average age 74
CMS counts 146 Medicare patients who saw Dr. Hall in 2024. The largest group is 65 to 74, with 58 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.37, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Hall's median patient age at 44, with 63% women.
Dr. Hall's Medicare patients by age, 2024
Dr. Hall's Medicare patients by sex, 2024
- Women8659%
- Men6041%
Chronic conditions among Dr. Hall's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis56%
- Anxiety34%
- Diabetes32%
- Mood disorders32%
- Ischemic heart disease31%
- Depression29%
Share of Medicare patients with each condition. A patient can have several.
Dr. Hall's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 44
Patient panel by sex, all payers
- Women63%
- Men36%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gregory J. Hall wrote 215 Medicare Part D claims in 2024
In 2024, Dr. Hall wrote 215 Medicare Part D claims for 136 patients. 93% of them were for generic drugs. CMS names the drug for 103 of them, across 5 drugs with 11 or more claims each, at $756 in total drug cost. In 2023, CMS named 56 claims across 3 drugs.
Dr. Hall's Part D claims by kind of drug, 2024
- Generic199 claims93%
- Brand-name and other16 claims7%
Dr. Hall'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. Hall's Part D claims, 2024
- Opioids21%46 of 215 claims
- Antibiotics33%70 of 215 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: 562024: 10384%
Drugs named by CMS: 5 in 2024, 3 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 J. Hall takes part in Medicare
Dr. Hall 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 J. Hall received $15 in industry payments in 2018
CMS Open Payments shows 1 general payment to Dr. Hall from 1 drug or device company in 2018. Food and beverage make up the largest share, 100% of the total. Allergan Inc. paid the most, $15.
Companies that paid Dr. Hall the most, 2018 to 2018
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Gregory J. Hall has 1 award and honors on record
Dmand AI lists 1 award for Dr. Hall.
Awards and honors for Dr. Hall
- Undated
- Board of Directors American Academy of Emergency Medicine
Source: Dmand AI Professional Profile Data
Dr. Gregory J. Hall graduated from Texas College of Osteopathic Medicine
Dr. Hall graduated from Texas College of Osteopathic Medicine in 1982. Dr. Hall is a member of AOA.
- Medical school
- Board certified in emergency medicine
- Board certified in 1983 - 2025
Source: Dmand AI Professional Profile Data
Dr. Gregory J. Hall accepts plans from 18 insurance carriers
Dr. Hall is in network with 18 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Alliant Health Plans
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Molina
- +10 more carriersWith a free account
Plan types Dr. Hall accepts, by number of carriers
- PPO11
- HMO10
- Medicare8
- POS5
- EPO3
Source: Dmand AI Insurance Network Data
Sources for Dr. Gregory J. Hall'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) |
| 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) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| 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 J. Hall
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 J. Hall's NPI number?
Dr. Gregory J. Hall's NPI number is 1972617660. It was assigned on August 18, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Gregory J. Hall?
Dr. Gregory J. Hall is an emergency medicine physician in Houston, Texas. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Gregory J. Hall practice?
Dr. Hall practices at 1635 North Loop West, Houston, TX 77008. Dr. Hall's primary practice is Memorial Hermann Greater Heights Hospital in Houston, Texas, part of Memorial Hermann Health System. Dmand AI also links Dr. Hall to 1 group practice or clinic and 1 medical group.
What is Dr. Gregory J. Hall's office phone number?
The practice phone on file for Dr. Hall is (713) 448-6796.
What is Dr. Gregory J. Hall's medical license number?
Dr. Hall holds Texas license G3427.
Which hospitals is Dr. Gregory J. Hall affiliated with?
Dr. Hall practices at Memorial Hermann Greater Heights Hospital in Houston, Texas. Dr. Hall is also affiliated with Houston Methodist Willowbrook Hospital.
What medical group is Dr. Gregory J. Hall part of?
Dr. Hall is linked to ACS Primary Care Physicians Southwest, PA. Dmand AI links Dr. Hall to 1 more medical group.
Does Dr. Gregory J. Hall accept Medicare?
Yes. CMS data shows Dr. Hall billed Medicare for 174 services in 2024, and Dr. Hall accepts Medicare assignment.
How many Medicare patients does Dr. Gregory J. Hall see?
CMS counts 146 Medicare patients who saw Dr. Hall in 2024, with an average age of 74.
Is Dr. Gregory J. Hall board certified?
Yes. Dr. Hall is board certified in emergency medicine by the AOA Board of Emergency Medicine.
Show 6 more questionsShow fewer questions
What services does Dr. Gregory J. Hall bill to Medicare?
In 2024, Dr. Hall's most billed Medicare services were emergency department visit (99284), emergency department visit (99285) and heart test or procedure (93010).
Where did Dr. Gregory J. Hall go to medical school?
Dr. Hall graduated from Texas College of Osteopathic Medicine in 1982.
What drugs does Dr. Gregory J. Hall prescribe most?
In 2024 Medicare Part D data, Dr. Hall's most prescribed drugs by claims were Hydrocodone-Acetaminophen, Cefdinir and Ondansetron ODT.
Has Dr. Gregory J. Hall received payments from drug or device companies?
CMS Open Payments shows $15 in general payments to Dr. Hall from 1 company from 2018 to 2018. The largest total came from Allergan Inc.
How long has Dr. Gregory J. Hall been practicing?
Dr. Hall graduated from medical school in 1982, 44 years ago.
What insurance does Dr. Gregory J. Hall accept?
Dr. Hall is in network with 18 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.
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