Dr. Robert J. Hallock, MD
- Medicare services, 2024
- 154
- Medicare patients, 2024
- 122
- Part D claims, 2024
- 317
- Hospital affiliations
- 3
- Industry payments
- $89
- Practice address
- 7700 Floyd Curl Dr, San Antonio, TX 78229
- Practice phone
- Call (210) 575-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Methodist Hospital (TX)
San Antonio, Texas
Find Dr. Hallock'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. Robert J. Hallock is an emergency medicine physician in San Antonio, Texas
Dr. Hallock practices at Methodist Hospital (TX) in San Antonio, Texas.
Dr. Hallock's NPI, 1043265804, was assigned on May 23, 2006. Dr. Hallock graduated from Uconn School Of Medicine in 1999. Dr. Hallock holds Maryland license D75037.
- NPI
- 1043265804NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3173521580
- NPI enumeration date
- May 23, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (210) 575-4000
- 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 Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Robert J. Hallock practices at Methodist Hospital (TX) in San Antonio, Texas
Dr. Hallock's primary practice is Methodist Hospital (TX), at 7700 Floyd Curl Dr, San Antonio, TX 78229 in Bexar County. The practice phone is (210) 575-4000.
- Methodist Hospital (TX)7700 Floyd Curl Dr, San Antonio, TX 78229 · Bexar CountyPhone(210) 575-4000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Robert J. Hallock is affiliated with 9 sites of care and 9 medical groups
Dr. Hallock's primary practice is Methodist Hospital (TX) in San Antonio, Texas. Dr. Hallock is also affiliated with Methodist Hospital. The medical group on file is Emergency Medicine Services of TX, PLLC. Dmand AI also links Dr. Hallock to 2 more hospitals, 8 medical groups and 5 group practices and clinics, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Robert J. Hallock's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hallock practices, 8 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Methodist Hospital (TX) | Available with a free account |
| +8 more sites and 8 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Robert J. Hallock is one of 4,831 emergency medicine physicians in Texas
Emergency medicine is Dr. Hallock's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Hallock is board certified in emergency medicine by the American Board of Emergency Medicine. Dmand AI has Dr. Hallock's licenses on file in 15 states: Maryland, California, Florida, Illinois, Missouri, Rhode Island, Texas, Virginia, Washington, West Virginia, Connecticut, Georgia, Indiana, Kansas and Massachusetts.
Specialties and state licenses
- Emergency medicine, MarylandPrimary
- California license
- Florida license
- Illinois license
- Missouri license
- Rhode Island license
- Texas license
- Virginia license
- Washington license
- West Virginia license
- Connecticut license
- Georgia license
- Indiana license
- Kansas license
- Massachusetts license
Emergency medicine physicians near Dr. Hallock
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. Robert J. Hallock billed Medicare for 154 services in 2024
CMS data shows 154 Medicare services from Dr. Hallock across 4 procedure codes in 2024, for 122 Medicare patients. Medicare paid $13,352 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Hallock's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1012024: 11817%
- Tests and treatments
- 2023: 462024: 3622%
Dr. Hallock compared with the Texas median for emergency medicine physicians, 2024
- Dr. Hallock
- Texas median
- Medicare services
- 154vs 22532% below
- Medicare patients
- 122vs 20641% below
- Part D claims
- 195vs 742.6 times
Medians across 4,588 emergency medicine physicians in Texas with Dmand AI profiles that report each measure.
Dr. Hallock'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. Hallock?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Hallock 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. Robert J. Hallock treated 122 Medicare patients in 2024, average age 74
CMS counts 122 Medicare patients who saw Dr. Hallock in 2024. The largest group is 65 to 74, with 36 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 33% are also on Medicaid. Their average risk score is 2.14, 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. Hallock's median patient age at 44, with 61% women.
Dr. Hallock's Medicare patients by age, 2024
Dr. Hallock's Medicare patients by sex, 2024
- Women7057%
- Men5243%
Chronic conditions among Dr. Hallock's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis51%
- Diabetes45%
- Chronic kidney disease43%
- Anxiety41%
- Heart failure41%
- Ischemic heart disease37%
Share of Medicare patients with each condition. A patient can have several.
Dr. Hallock'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
- Women61%
- Men38%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Robert J. Hallock wrote 317 Medicare Part D claims in 2024
In 2024, Dr. Hallock wrote 317 Medicare Part D claims for 92 patients. 96% of them were for generic drugs. CMS names the drug for 195 of them, across 12 drugs with 11 or more claims each, at $861 in total drug cost. In 2023, CMS named 12 claims across 1 drug.
Dr. Hallock's Part D claims by kind of drug, 2024
- Generic303 claims96%
- Brand-name14 claims4%
Dr. Hallock'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. Hallock's Part D claims, 2024
- Opioids3%11 of 317 claims
- Antibiotics15%46 of 317 claims
- Antipsychotics, patients 65 and over6%18 of 317 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: 122024: 1951525%
Drugs named by CMS: 12 in 2024, 1 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. Robert J. Hallock takes part in Medicare
Dr. Hallock 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. Robert J. Hallock received $89 in industry payments from 2016 to 2018
CMS Open Payments shows 6 general payments to Dr. Hallock from 4 drug and device companies from 2016 to 2018. Food and beverage make up the largest share, 100% of the total. Pfizer Inc. paid the most, $37.
General payments to Dr. Hallock by program year, 2016 to 2018
Companies that paid Dr. Hallock the most, 2016 to 2018
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Robert J. Hallock graduated from Uconn School Of Medicine
Dr. Hallock graduated from Uconn School Of Medicine in 1999.
- Medical school
- Board certified in emergency medicine
Source: Dmand AI Professional Profile Data
Dr. Robert J. Hallock accepts plans from 25 insurance carriers
Dr. Hallock is in network with 25 carriers, including Aetna, Elevance and Excellus BlueCross BlueShield. PPO plans come from the most carriers, 13. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Excellus BlueCross BlueShield
- Blue Cross Blue Shield of Michigan
- United Healthcare
- HCSC
- Alliant Health Plans
- Aspirus Health Plan
- +17 more carriersWith a free account
Plan types Dr. Hallock accepts, by number of carriers
- PPO13
- HMO11
- Medicare9
- POS7
- EPO5
- Medicaid4
Source: Dmand AI Insurance Network Data
Sources for Dr. Robert J. Hallock'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 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) |
| 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. Robert J. Hallock
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. Robert J. Hallock's NPI number?
Dr. Robert J. Hallock's NPI number is 1043265804. It was assigned on May 23, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Robert J. Hallock?
Dr. Robert J. Hallock is an emergency medicine physician in San Antonio, Texas. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Robert J. Hallock practice?
Dr. Hallock practices at 7700 Floyd Curl Dr, San Antonio, TX 78229. Dr. Hallock's primary practice is Methodist Hospital (TX) in San Antonio, Texas. Dmand AI also links Dr. Hallock to 2 hospitals, 8 medical groups and 5 group practices and clinics.
What is Dr. Robert J. Hallock's office phone number?
The practice phone on file for Dr. Hallock is (210) 575-4000.
What is Dr. Robert J. Hallock's medical license number?
Dr. Hallock holds Maryland license D75037, one of the licenses on file in 15 states.
Which states has Dr. Robert J. Hallock been licensed in?
Dmand AI has state licenses on file for Dr. Hallock in Maryland (2012 to 2026), California (2022 to 2026), Florida (2024 to 2026), Illinois (2001 to 2026), Missouri (2024 to 2026), Rhode Island (2021 to 2026), Texas (2022 to 2026), Virginia (2017 to 2026), Washington (2021 to 2026), West Virginia (2015 to 2026), Connecticut (2021 to 2025), Georgia (2022 to 2025), Indiana (2001 to 2025), Kansas (2022 to 2025) and Massachusetts (2014 to 2025).
Which hospitals is Dr. Robert J. Hallock affiliated with?
Dr. Hallock is affiliated with Methodist Hospital. Dmand AI links Dr. Hallock to 2 more hospitals.
What medical group is Dr. Robert J. Hallock part of?
Dr. Hallock is linked to Emergency Medicine Services of TX, PLLC. Dmand AI links Dr. Hallock to 8 more medical groups.
Does Dr. Robert J. Hallock accept Medicare?
Yes. CMS data shows Dr. Hallock billed Medicare for 154 services in 2024, and Dr. Hallock accepts Medicare assignment.
How many Medicare patients does Dr. Robert J. Hallock see?
CMS counts 122 Medicare patients who saw Dr. Hallock in 2024, with an average age of 74.
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Is Dr. Robert J. Hallock board certified?
Yes. Dr. Hallock is board certified in emergency medicine by the American Board of Emergency Medicine.
What services does Dr. Robert J. Hallock bill to Medicare?
In 2024, Dr. Hallock's most billed Medicare services were emergency department visit (99285), emergency department visit (99284) and heart test or procedure (93010).
Where did Dr. Robert J. Hallock go to medical school?
Dr. Hallock graduated from Uconn School Of Medicine in 1999.
What drugs does Dr. Robert J. Hallock prescribe most?
In 2024 Medicare Part D data, Dr. Hallock's most prescribed drugs by claims were Furosemide, Citalopram HBr and Digoxin.
Has Dr. Robert J. Hallock received payments from drug or device companies?
CMS Open Payments shows $89 in general payments to Dr. Hallock from 4 companies from 2016 to 2018. The largest total came from Pfizer Inc.
How long has Dr. Robert J. Hallock been practicing?
Dr. Hallock graduated from medical school in 1999, 27 years ago.
What insurance does Dr. Robert J. Hallock accept?
Dr. Hallock is in network with 25 carriers, including Aetna, Elevance and Excellus BlueCross BlueShield. PPO plans come from the most carriers, 13. Check the plan with the practice before a visit.
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