Dr. Rexford Lee Thomas Jr., MD
- Medicare services, 2024
- 118
- Medicare patients, 2024
- 86
- Part D claims, 2024
- 156
- Hospital affiliations
- 1
- Industry payments
- $358
- Practice address
- 565 Abbott Road, Buffalo, NY 14220
- Practice phone
- Call (716) 826-7000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Thomas' professional email, personal email and mobile number
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Dr. Rexford Lee Thomas Jr. is a general surgeon in Buffalo, New York
Dr. Thomas practices at Mercy Hospital of Buffalo in Buffalo, New York, part of Catholic Health System.
Dr. Thomas' NPI, 1629063235, was assigned on September 20, 2005. Dr. Thomas graduated from State University of New York at Buffalo School of Medicine in 1991. Dr. Thomas holds New York license 191725.
- NPI
- 1629063235NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5799736591
- NPI enumeration date
- September 20, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (716) 826-7000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 61
- Medical school graduation
- 1991
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Rexford Lee Thomas Jr. practices at Mercy Hospital of Buffalo in Buffalo, New York
Dr. Thomas' primary practice is Mercy Hospital of Buffalo, at 565 Abbott Road, Buffalo, NY 14220 in Erie County. The practice phone is (716) 826-7000.
- Mercy Hospital of Buffalo565 Abbott Road, Buffalo, NY 14220 · Erie CountyPhone(716) 826-7000
Source: Dmand AI Affiliation Data
Dr. Rexford Lee Thomas Jr. is affiliated with 2 sites of care and 1 medical group
Dr. Thomas' primary practice is Mercy Hospital of Buffalo in Buffalo, New York, part of Catholic Health System. The medical group on file is Southgate Medical Group. Dmand AI also links Dr. Thomas to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Rexford Lee Thomas Jr.'s practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Thomas practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mercy Hospital of Buffalo | 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. Rexford Lee Thomas Jr. is one of 1,604 general surgeons in New York
Surgery is Dr. Thomas' primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Thomas is licensed in New York.
Specialties and state licenses
- Surgery, New YorkPrimary
General surgeons near Dr. Thomas
Counts of general surgeons 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. Rexford Lee Thomas Jr. billed Medicare for 118 services in 2024
CMS data shows 118 Medicare services from Dr. Thomas across 5 procedure codes in 2024, for 86 Medicare patients. Medicare paid $6,646 for them.
Dr. Thomas' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 492024: 49No change
- Other services
- 2023: 582024: 4522%
- Surgery
- 2023: 362024: 2433%
Where Dr. Thomas' Medicare services took place, 2024
- In an office4942%
- In a facility6958%
Dr. Thomas compared with the New York median for general surgeons, 2024
- Dr. Thomas
- New York median
- Medicare services
- 118vs 15423% below
- Medicare patients
- 86vs 10921% below
- Part D claims
- 131vs 245.5 times
Medians across 1,502 general surgeons in New York with Dmand AI profiles that report each measure.
Dr. Thomas' 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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Thomas and other general surgeons in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Rexford Lee Thomas Jr. treated 86 Medicare patients in 2024, average age 70
CMS counts 86 Medicare patients who saw Dr. Thomas in 2024. The largest group is 65 to 74, with 51 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 13% are also on Medicaid. Their average risk score is 0.94, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Thomas' median patient age at 65, with 38% women.
Dr. Thomas' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Thomas' Medicare patients by sex, 2024
- Women3844%
- Men4856%
Chronic conditions among Dr. Thomas' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis40%
- Chronic kidney disease31%
- Diabetes28%
- Ischemic heart disease27%
- Anxiety26%
- Mood disorders22%
Share of Medicare patients with each condition. A patient can have several.
Dr. Thomas' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women38%
- Men61%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Rexford Lee Thomas Jr. wrote 156 Medicare Part D claims in 2024
In 2024, Dr. Thomas wrote 156 Medicare Part D claims for 147 patients. 34% of them were for generic drugs. CMS names the drug for 131 of them, across 3 drugs with 11 or more claims each, at $17,545 in total drug cost. In 2023, CMS named 136 claims across 3 drugs.
Dr. Thomas' Part D claims by kind of drug, 2024
- Generic53 claims34%
- Brand-name103 claims66%
Dr. Thomas' 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. Thomas' Part D claims, 2024
- Antibiotics26%40 of 156 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: 1362024: 1314%
Drugs named by CMS: 3 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
Dr. Rexford Lee Thomas Jr. ranks in the 73rd percentile for colonoscopy in Medicare
Dr. Thomas accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 76 procedures of colonoscopy by Dr. Thomas, more than 73% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Thomas ranks in Medicare procedure volume
- Colonoscopy
- 73rd percentile76 procedures
- Melanoma (skin cancer) excision
- 69th percentile14 procedures
- Skin biopsy
- 61st percentile14 procedures
- Removal of skin lesions
- 60th percentile13 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Hernia repair - groin (open): 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Rexford Lee Thomas Jr. received $358 in industry payments from 2017 to 2025
CMS Open Payments shows 21 general payments to Dr. Thomas from 8 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 100% of the total. Ferring Pharmaceuticals Inc. paid the most, $158.
General payments to Dr. Thomas by program year, 2017 to 2025
Companies that paid Dr. Thomas the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Rexford Lee Thomas Jr. graduated from State University of New York at Buffalo School of Medicine
Dr. Thomas graduated from State University of New York at Buffalo School of Medicine in 1991.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Rexford Lee Thomas 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 | 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)Doctors and Clinicians Utilization Data (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 |
| 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. Rexford Lee Thomas 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. Rexford Lee Thomas Jr.'s NPI number?
Dr. Rexford Lee Thomas Jr.'s NPI number is 1629063235. It was assigned on September 20, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Rexford Lee Thomas Jr.?
Dr. Rexford Lee Thomas Jr. is a general surgeon in Buffalo, New York. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Rexford Lee Thomas Jr. practice?
Dr. Thomas practices at 565 Abbott Road, Buffalo, NY 14220. Dr. Thomas' primary practice is Mercy Hospital of Buffalo in Buffalo, New York, part of Catholic Health System. Dmand AI also links Dr. Thomas to 1 group practice or clinic.
What is Dr. Rexford Lee Thomas Jr.'s office phone number?
The practice phone on file for Dr. Thomas is (716) 826-7000.
What is Dr. Rexford Lee Thomas Jr.'s medical license number?
Dr. Thomas holds New York license 191725.
Which hospitals is Dr. Rexford Lee Thomas Jr. affiliated with?
Dr. Thomas practices at Mercy Hospital of Buffalo in Buffalo, New York.
What medical group is Dr. Rexford Lee Thomas Jr. part of?
Dr. Thomas is linked to Southgate Medical Group.
Does Dr. Rexford Lee Thomas Jr. accept Medicare?
Yes. CMS data shows Dr. Thomas billed Medicare for 118 services in 2024, and Dr. Thomas accepts Medicare assignment.
How many Medicare patients does Dr. Rexford Lee Thomas Jr. see?
CMS counts 86 Medicare patients who saw Dr. Thomas in 2024, with an average age of 70.
What services does Dr. Rexford Lee Thomas Jr. bill to Medicare?
In 2024, Dr. Thomas' most billed Medicare services were office visit, established patient (99213), medicare service (G0500) and surgery: digestive system (45380).
Show 4 more questionsShow fewer questions
Where did Dr. Rexford Lee Thomas Jr. go to medical school?
Dr. Thomas graduated from State University of New York at Buffalo School of Medicine in 1991.
What drugs does Dr. Rexford Lee Thomas Jr. prescribe most?
In 2024 Medicare Part D data, Dr. Thomas' most prescribed drugs by claims were Clenpiq, Amoxicillin-Clavulanate Potass and Cephalexin.
Has Dr. Rexford Lee Thomas Jr. received payments from drug or device companies?
CMS Open Payments shows $358 in general payments to Dr. Thomas from 8 companies from 2017 to 2025. The largest total came from Ferring Pharmaceuticals Inc.
How long has Dr. Rexford Lee Thomas Jr. been practicing?
Dr. Thomas graduated from medical school in 1991, 35 years ago.
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