Blood SedimentationHematologyHospitals, Military
Dr. Thomas A. Rennie Jr., MD
NPI1265423982PAC ID0840294351
- Medicare services, 2024
- 104,098
- Medicare patients, 2024
- 569
- Part D claims, 2024
- 981
- Publications
- 2
- MIPS score, 2024
- 73
- Practice address
- 19272 Stone Oak Pkwy, San Antonio, TX 78258
- Practice phone
- Call (210) 265-8851
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Rheumatology Associates of South Texas
San Antonio, Texas
Find Dr. Rennie'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. Thomas A. Rennie Jr. is a rheumatologist in San Antonio, Texas
Dr. Rennie practices at Rheumatology Associates of South Texas in San Antonio, Texas.
Dr. Rennie's NPI, 1265423982, was assigned on November 2, 2005. Dr. Rennie graduated from Uniformed Services University, F. Edward Hebert School of Medicine in 1994. Dr. Rennie holds Texas license M0881.
NPI and contact details
- NPI
- 1265423982NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0840294351
- NPI enumeration date
- November 2, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (210) 265-8851
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 58
- Medical school graduation
- 1994
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Thomas A. Rennie Jr. practices at Rheumatology Associates of South Texas in San Antonio, Texas
Dr. Rennie's primary practice is Rheumatology Associates of South Texas, at 19272 Stone Oak Pkwy, San Antonio, TX 78258 in Bexar County. The practice phone is (210) 265-8851.
- Rheumatology Associates of South Texas19272 Stone Oak Pkwy, San Antonio, TX 78258 · Bexar CountyPhone(210) 265-8851
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Thomas A. Rennie Jr. is affiliated with 2 sites of care and 1 medical group
Dr. Rennie's primary practice is Rheumatology Associates of South Texas in San Antonio, Texas. The medical group on file is Rheumatology Associates of South Texas. Dmand AI also links Dr. Rennie to 1 more group practice or clinic, named with a free account.
Rheumatology Associates of South TexasPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Thomas A. Rennie Jr.'s practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Rennie practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Rheumatology Associates of South Texas | 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. Thomas A. Rennie Jr. is one of 476 rheumatologists in Texas
Rheumatology is Dr. Rennie's primary specialty in the NPI Registry, under taxonomy code 207RR0500X. Dr. Rennie is board certified in internal medicine by the National Board of Physicians and Surgeons. Dmand AI has Dr. Rennie's licenses on file in 2 states: Texas and Pennsylvania.
Specialties and state licenses
- Rheumatology, TexasPrimary
- Pennsylvania license
Clinical focus
Dmand AI lists arteritis, arthritis, gout, joint arthropathy, joint pain, lupus, muscle pain, fibromyalgia, and limb pain and osteoporosis among the conditions Dr. Rennie treats.
Rheumatologists near Dr. Rennie
Counts of rheumatologists 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. Thomas A. Rennie Jr. billed Medicare for 104,098 services in 2024
CMS data shows 104,098 Medicare services from Dr. Rennie across 41 procedure codes in 2024, for 569 Medicare patients. Medicare paid $1,381,898 for them. Every service was in an office.
Medicare services, 2024104,098
Medicare patients569
Paid by Medicare$1.4M
Procedure codes41
Dr. Rennie's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 90,3012024: 97,1188%
- Lab and pathology
- 2023: 4,0042024: 3,9471%
- Office and hospital visits
- 2023: 1,1302024: 1,0467%
- Tests and treatments
- 2023: 8742024: 9569%
- Other services
- 2023: 2,6772024: 85968%
- Surgery
- 2023: 1892024: 1729%
Dr. Rennie compared with the Texas median for rheumatologists, 2024
- Dr. Rennie
- Texas median
- Medicare services
- 104,098vs 1,33178.2 times
- Medicare patients
- 569vs 1962.9 times
- Part D claims
- 860vs 1,13824% below
Medians across 451 rheumatologists in Texas with Dmand AI profiles that report each measure.
Dr. Rennie'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. Rennie?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Rennie and other rheumatologists in Texas.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Thomas A. Rennie Jr. treated 569 Medicare patients in 2024, average age 74
CMS counts 569 Medicare patients who saw Dr. Rennie in 2024. The largest group is 65 to 74, with 251 patients. 75% of them have arthritis, and 75% have high blood pressure. Their average risk score is 1.38, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Rennie's median patient age at 59, with 80% women.
Medicare patients, 2024569
Average age74
Average risk score1.38
Dr. Rennie's Medicare patients by age, 2024
Dr. Rennie's Medicare patients by sex, 2024
- Women44879%
- Men12121%
Chronic conditions among Dr. Rennie's Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol75%
- Diabetes34%
- Chronic kidney disease31%
- Ischemic heart disease30%
- Osteoporosis28%
- Anxiety25%
Share of Medicare patients with each condition. A patient can have several.
Dr. Rennie's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 59
Patient panel by sex, all payers
- Women80%
- Men19%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Thomas A. Rennie Jr. wrote 981 Medicare Part D claims in 2024
In 2024, Dr. Rennie wrote 981 Medicare Part D claims for 214 patients. 82% of them were for generic drugs. CMS names the drug for 860 of them, across 19 drugs with 11 or more claims each, at $775,244 in total drug cost. In 2023, CMS named 894 claims across 21 drugs.
Part D claims, 2024981
Drugs named by CMS19
Total drug cost$775,244
Part D patients214
Dr. Rennie's Part D claims by kind of drug, 2024
- Generic807 claims82%
- Brand-name and other174 claims18%
Dr. Rennie'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. Rennie's Part D claims, 2024
- Opioids6%54 of 981 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: 8942024: 8604%
Drugs named by CMS: 19 in 2024, 21 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
Dr. Thomas A. Rennie Jr. scored 73 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 73 out of 100 for Dr. Rennie for performance year 2024, reported as part of a group. Dr. Rennie accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Rennie's MIPS scores, performance year 2024
- 73of 100Final score
- 83.3of 100Quality
- 90of 100Promoting Interoperability
- 40of 100Improvement Activities
- 35of 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. Thomas A. Rennie Jr. has 2 publications on record
Dmand AI links 2 papers to Dr. Rennie. Dr. Rennie's most frequent co-authors are Daniel Francis Battafarano, DO and David P. Dooley, MD.
Papers2
Dr. Rennie's most frequent co-authors
Recent publications by Dr. Rennie
See who Dr. Rennie researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Rennie works with, so you can find a warm path to the right rheumatologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Thomas A. Rennie Jr. received $200,596 in industry payments from 2016 to 2025
CMS Open Payments shows 1,261 general payments to Dr. Rennie from 43 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 41% of the total. Takeda Pharmaceuticals U.S.A., Inc. paid the most, $43,792.
General payments to Dr. Rennie by program year, 2016 to 2025
General payments to Dr. Rennie by kind, 2016 to 2025
$200.6Kin total
- Speaker and faculty fees$83,20041%
- Honoraria$57,41229%
- Food and beverage$31,80316%
- Consulting fees$20,55710%
- Other$7,5874%
Companies that paid Dr. Rennie the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Thomas A. Rennie Jr. has 2 awards and honors on record
Dmand AI lists 2 awards for Dr. Rennie, most recently CMS Stage 1 EHR in 2013.
Awards and honors for Dr. Rennie
- 2013
- CMS Stage 1 EHR
- Undated
- ACR Fellow
Source: Dmand AI Professional Profile Data
Dr. Thomas A. Rennie Jr. graduated from Uniformed Services University, F. Edward Hebert School of Medicine
Dr. Rennie graduated from Uniformed Services University, F. Edward Hebert School of Medicine in 1994. Dr. Rennie is a member of ACP and ACR.
- Medical school
- Board certified in internal medicine
- Board certified in rheumatology
Source: Dmand AI Professional Profile Data
Dr. Thomas A. Rennie Jr. accepts plans from 22 insurance carriers
Dr. Rennie is in network with 22 carriers, including Aetna, Elevance and Excellus BlueCross BlueShield. HMO 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
- +14 more carriersWith a free account
Plan types Dr. Rennie accepts, by number of carriers
- HMO13
- PPO12
- Medicare10
- POS7
- EPO5
Source: Dmand AI Insurance Network Data
Sources for Dr. Thomas A. Rennie Jr.'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 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)Clinician Public Reporting: Overall MIPS Performance (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) |
| 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. Thomas A. Rennie Jr.
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. Thomas A. Rennie Jr.'s NPI number?
Dr. Thomas A. Rennie Jr.'s NPI number is 1265423982. It was assigned on November 2, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Thomas A. Rennie Jr.?
Dr. Thomas A. Rennie Jr. is a rheumatologist in San Antonio, Texas. The primary specialty in the NPI Registry is Rheumatology Physician (taxonomy code 207RR0500X).
Where does Dr. Thomas A. Rennie Jr. practice?
Dr. Rennie practices at 19272 Stone Oak Pkwy, San Antonio, TX 78258. Dr. Rennie's primary practice is Rheumatology Associates of South Texas in San Antonio, Texas. Dmand AI also links Dr. Rennie to 1 group practice or clinic.
What is Dr. Thomas A. Rennie Jr.'s office phone number?
The practice phone on file for Dr. Rennie is (210) 265-8851.
What is Dr. Thomas A. Rennie Jr.'s medical license number?
Dr. Rennie holds Texas license M0881, one of the licenses on file in 2 states.
Which states has Dr. Thomas A. Rennie Jr. been licensed in?
Dmand AI has state licenses on file for Dr. Rennie in Texas (2005 to 2027) and Pennsylvania (1996 to 2006).
What medical group is Dr. Thomas A. Rennie Jr. part of?
Dr. Rennie is linked to Rheumatology Associates of South Texas.
Does Dr. Thomas A. Rennie Jr. accept Medicare?
Yes. CMS data shows Dr. Rennie billed Medicare for 104,098 services in 2024, and Dr. Rennie accepts Medicare assignment.
What is Dr. Thomas A. Rennie Jr.'s MIPS score?
Dr. Rennie's MIPS final score for performance year 2024 is 73 out of 100, reported as part of a group.
How many Medicare patients does Dr. Thomas A. Rennie Jr. see?
CMS counts 569 Medicare patients who saw Dr. Rennie in 2024, with an average age of 74.
Show 9 more questionsShow fewer questions
Is Dr. Thomas A. Rennie Jr. board certified?
Yes. Dr. Rennie is board certified in internal medicine by the National Board of Physicians and Surgeons.
What services does Dr. Thomas A. Rennie Jr. bill to Medicare?
In 2024, Dr. Rennie's most billed Medicare services were injected or infused drug (J3262), injected or infused drug (J0717) and injected or infused drug (J1602).
Where did Dr. Thomas A. Rennie Jr. go to medical school?
Dr. Rennie graduated from Uniformed Services University, F. Edward Hebert School of Medicine in 1994.
What drugs does Dr. Thomas A. Rennie Jr. prescribe most?
In 2024 Medicare Part D data, Dr. Rennie's most prescribed drugs by claims were Hydroxychloroquine Sulfate, Prednisone and Methotrexate.
Has Dr. Thomas A. Rennie Jr. received payments from drug or device companies?
CMS Open Payments shows $200,596 in general payments to Dr. Rennie from 43 companies from 2016 to 2025. The largest total came from Takeda Pharmaceuticals U.S.A., Inc.
How long has Dr. Thomas A. Rennie Jr. been practicing?
Dr. Rennie graduated from medical school in 1994, 32 years ago.
Does Dr. Thomas A. Rennie Jr. do research?
Dmand AI links 2 publications to Dr. Rennie.
Who does Dr. Thomas A. Rennie Jr. publish with?
Dr. Rennie's most frequent co-authors are Daniel Francis Battafarano, DO (1 shared paper) and David P. Dooley, MD (1 shared paper).
What insurance does Dr. Thomas A. Rennie Jr. accept?
Dr. Rennie is in network with 22 carriers, including Aetna, Elevance and Excellus BlueCross BlueShield. HMO plans come from the most carriers, 13. Check the plan with the practice before a visit.
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