Neuromodulation
AnalgesiaAnalgesicsAnalgesics, Opioid
Dr. Greggory Jose Martinez, MD
NPI1013370642PAC ID4981072691
- Medicare services, 2023
- 99
- Medicare patients, 2024
- 42
- Publications
- 1
- Hospital affiliations
- 3
- Industry payments
- $2,024
- Practice address
- 12850 Toepperwein Rd, Live Oak, TX 78233
- Practice phone
- Call (210) 614-1234
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Gastroenterology Consultants of San Antonio - Northeast Clinic and Ambulatory Surgical Center
Surgery Center - Medicare-Certified · Live Oak, Texas
Find Dr. Martinez'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. Greggory Jose Martinez is an anesthesiologist in Live Oak, Texas
Dr. Martinez practices at Gastroenterology Consultants of San Antonio - Northeast Clinic and Ambulatory Surgical Center in Live Oak, Texas.
Dr. Martinez's NPI, 1013370642, was assigned on March 31, 2016. Dr. Martinez graduated from Ohio State College of Medicine in 2016. Dr. Martinez holds Texas license R5166.
NPI and contact details
- NPI
- 1013370642NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4981072691
- NPI enumeration date
- March 31, 2016
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (210) 614-1234
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 36
- Medical school graduation
- 2016
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Greggory Jose Martinez practices at Gastroenterology Consultants of San Antonio - Northeast Clinic and Ambulatory Surgical Center in Live Oak, Texas
Dr. Martinez's primary practice is Gastroenterology Consultants of San Antonio - Northeast Clinic and Ambulatory Surgical Center, at 12850 Toepperwein Rd, Live Oak, TX 78233. The practice phone is (210) 614-1234.
- Gastroenterology Consultants of San Antonio - Northeast Clinic and Ambulatory Surgical Center12850 Toepperwein Rd, Live Oak, TX 78233Phone(210) 614-1234
Source: Dmand AI Affiliation Data
Dr. Greggory Jose Martinez is affiliated with 4 sites of care and 6 medical groups
Dr. Martinez's primary practice is Gastroenterology Consultants of San Antonio - Northeast Clinic and Ambulatory Surgical Center in Live Oak, Texas. Dr. Martinez is also affiliated with Methodist Hospital. The medical group on file is US Anesthesia Partners. Dmand AI also links Dr. Martinez to 2 more hospitals and 5 medical groups, each named with a free account.
Gastroenterology Consultants of San Antonio - Northeast Clinic and Ambulatory Surgical CenterPrimary
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Greggory Jose Martinez's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Martinez practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Gastroenterology Consultants of San Antonio - Northeast Clinic and Ambulatory Surgical Center | Available with a free account |
| +3 more sites and 5 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Greggory Jose Martinez is one of 4,073 anesthesiologists in Texas
Anesthesiology is Dr. Martinez's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Martinez is board certified in anesthesiology by the American Board of Anesthesiology. Dr. Martinez is licensed in Texas.
Specialties and state licenses
- Anesthesiology, TexasPrimary
Anesthesiologists near Dr. Martinez
Counts of anesthesiologists with a Dmand AI profile, by place and practice. Each opens the list.
4,073anesthesiologists in Texas
9anesthesiologists in Live Oak
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Greggory Jose Martinez billed Medicare for 99 services in 2023
CMS data shows 99 Medicare services from Dr. Martinez across 4 procedure codes in 2023, for 42 Medicare patients. Medicare paid $4,611 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 202399
Medicare patients42
Paid by Medicare$4,611
Procedure codes4
Dr. Martinez compared with the Texas median for anesthesiologists, 2023
- Dr. Martinez
- Texas median
- Medicare services
- 99vs 7139% above
- Medicare patients
- 42vs 13268% below
Medians across 3,710 anesthesiologists in Texas with Dmand AI profiles that report each measure.
Dr. Martinez's most billed Medicare procedure codes, 2023
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. Martinez?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Martinez and other anesthesiologists in Texas.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Greggory Jose Martinez treated 42 Medicare patients in 2024, average age 74
CMS counts 42 Medicare patients who saw Dr. Martinez in 2024. The largest group is 65 to 74, with 22 patients. 75% of them have high blood pressure, and 67% have high cholesterol. Their average risk score is 1.14, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Martinez's median patient age at 55, with 74% women.
Medicare patients, 202442
Average age74
Average risk score1.14
Dr. Martinez's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Martinez's Medicare patients by sex, 2024
- Women2457%
- Men1843%
Chronic conditions among Dr. Martinez's Medicare patients, 2024
- High blood pressure75%
- High cholesterol67%
- Arthritis36%
- Diabetes33%
- Ischemic heart disease31%
- Cancer26%
- Chronic kidney disease26%
- Mood disorders26%
Share of Medicare patients with each condition. A patient can have several.
Dr. Martinez's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 55
Patient panel by sex, all payers
- Women74%
- Men26%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Greggory Jose Martinez takes part in Medicare
Dr. Martinez 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. Greggory Jose Martinez has 1 publication on record
Dmand AI links 1 paper to Dr. Martinez in 2022. Dr. Martinez's most frequent co-authors are Karl Alan Lautenschlager, MD, Edward Michael Lopez, MD and Christopher Varghese Maani, MD.
Papers1
Dr. Martinez's most frequent co-authors
- Karl Alan Lautenschlager, MD1 shared paper
- Edward Michael Lopez, MD1 shared paper
- Christopher Varghese Maani, MD1 shared paper
Recent publications by Dr. Martinez
See who Dr. Martinez researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Martinez works with, so you can find a warm path to the right anesthesiologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Greggory Jose Martinez received $2,024 in industry payments from 2020 to 2025
CMS Open Payments shows 26 general payments to Dr. Martinez from 11 drug and device companies from 2020 to 2025. Food and beverage make up the largest share, 100% of the total. Nevro Corp. paid the most, $381.
General payments to Dr. Martinez by program year, 2020 to 2025
Companies that paid Dr. Martinez the most, 2020 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Greggory Jose Martinez graduated from Ohio State College of Medicine
Dr. Martinez graduated from Ohio State College of Medicine in 2016.
- Medical school
- Board certified in anesthesiology
- Board certified in pain medicine
Source: Dmand AI Professional Profile Data
Dr. Greggory Jose Martinez accepts plans from 18 insurance carriers
Dr. Martinez is in network with 18 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- Elevance
- United Healthcare
- Alliant Health Plans
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Molina
- +10 more carriersWith a free account
Plan types Dr. Martinez accepts, by number of carriers
- PPO11
- HMO10
- Medicare8
- POS4
- EPO3
Source: Dmand AI Insurance Network Data
Sources for Dr. Greggory Jose Martinez'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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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. Greggory Jose Martinez
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. Greggory Jose Martinez's NPI number?
Dr. Greggory Jose Martinez's NPI number is 1013370642. It was assigned on March 31, 2016, and it is active in the NPI Registry.
What kind of doctor is Dr. Greggory Jose Martinez?
Dr. Greggory Jose Martinez is an anesthesiologist in Live Oak, Texas. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Greggory Jose Martinez practice?
Dr. Martinez practices at 12850 Toepperwein Rd, Live Oak, TX 78233. Dr. Martinez's primary practice is Gastroenterology Consultants of San Antonio - Northeast Clinic and Ambulatory Surgical Center in Live Oak, Texas. Dmand AI also links Dr. Martinez to 2 hospitals and 5 medical groups.
What is Dr. Greggory Jose Martinez's office phone number?
The practice phone on file for Dr. Martinez is (210) 614-1234.
What is Dr. Greggory Jose Martinez's medical license number?
Dr. Martinez holds Texas license R5166.
Which hospitals is Dr. Greggory Jose Martinez affiliated with?
Dr. Martinez is affiliated with Methodist Hospital. Dmand AI links Dr. Martinez to 2 more hospitals.
What medical group is Dr. Greggory Jose Martinez part of?
Dr. Martinez is linked to US Anesthesia Partners. Dmand AI links Dr. Martinez to 5 more medical groups.
Does Dr. Greggory Jose Martinez accept Medicare?
Yes. CMS data shows Dr. Martinez billed Medicare for 99 services in 2023, and Dr. Martinez accepts Medicare assignment.
How many Medicare patients does Dr. Greggory Jose Martinez see?
CMS counts 42 Medicare patients who saw Dr. Martinez in 2024, with an average age of 74.
Is Dr. Greggory Jose Martinez board certified?
Yes. Dr. Martinez is board certified in anesthesiology by the American Board of Anesthesiology.
Show 7 more questionsShow fewer questions
What services does Dr. Greggory Jose Martinez bill to Medicare?
In 2023, Dr. Martinez's most billed Medicare services were anesthesia (00811), anesthesia (00731) and anesthesia (00813).
Where did Dr. Greggory Jose Martinez go to medical school?
Dr. Martinez graduated from Ohio State College of Medicine in 2016.
Has Dr. Greggory Jose Martinez received payments from drug or device companies?
CMS Open Payments shows $2,024 in general payments to Dr. Martinez from 11 companies from 2020 to 2025. The largest total came from Nevro Corp.
How long has Dr. Greggory Jose Martinez been practicing?
Dr. Martinez graduated from medical school in 2016, 10 years ago.
Does Dr. Greggory Jose Martinez do research?
Dmand AI links 1 publication to Dr. Martinez.
Who does Dr. Greggory Jose Martinez publish with?
Dr. Martinez's most frequent co-authors are Karl Alan Lautenschlager, MD (1 shared paper), Edward Michael Lopez, MD (1 shared paper) and Christopher Varghese Maani, MD (1 shared paper).
What insurance does Dr. Greggory Jose Martinez accept?
Dr. Martinez is in network with 18 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.
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