Tamara J. Merchant-McCambry, M.D.
Colon & Rectal Surgery Physician · San Antonio, TX
Tamara J. Merchant-McCambry, M.D. is a colon & rectal surgery physician with a practice address in San Antonio, Texas, and NPI 1235183526, issued on May 20, 2006. Check the license (Texas M3019, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Tamara J. Merchant-McCambry
- Credential
- M.D.
- Primary taxonomy
- Colon & Rectal Surgery Physician 208C00000X
- License number
- M3019 TX
Self-reported in NPPES; status is on the state search - Practice location
- 1162 E Sonterra Blvd Ste 210, San Antonio, TX 78258
- Phone
- (210) 787-7097
- Enumerated
- May 20, 2006
- Record last updated
- May 20, 2026
- Fax
- (210) 579-6599
- Medicaid ID
- 1821340-01 TX
- Medicare enrollment
- Enrolled (PECOS I20060927000499); accepts Medicare assignment
- Medical or professional school
- Rutgers New Jersey Medical School, 1999
- Entity
- Type 1 · individual
8 nearest colon & rectal surgery physician records → All 209 in Texas → Look up another NPI →
Also registered at 1162 E Sonterra Blvd Ste 210
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jorge Rincon, MDSurgery Physician1356303960
Verify Tamara J. Merchant-McCambry in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license M3019Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
15% more Medicare Part D claims than the average colon & rectal surgery physician in 2024
221 Medicare Part D claims for 159 beneficiaries, against an average of 192 among the 1,836 providers of this specialty who prescribed in Part D.
Most prescribed
- Azithromycin28 claims
- Amoxicillin-Clavulanate Potass21 claims
- Ibuprofen18 claims
- Cephalexin16 claims
- Doxycycline Hyclate14 claims
- Nitrofurantoin Mono-Macro13 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $197.52
2 payments; by number, the most common kind was food and beverage; the largest payer was Medtronic, Inc. The 1,524 providers of this specialty with any payment received $3,468.16 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Tmc Provider Group PLLCSan Antonio, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Tamara J. Merchant-McCambry among 209 colon & rectal surgery physician records in Texas
Tamara J. Merchant-McCambry, M.D. is one of 209 colon & rectal surgery physician records with a practice address in Texas. 89% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 56% newer
- In a Medicare fileYes · 89% of these records are
- In the CMS Doctors and Clinicians fileYes · 84% of these records are
- Graduated1999 · median 2004 among the 174 with a school on file
- Record last updated2026 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208C00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Colon & Rectal Surgery Physician providers in Texas
There are 209 colon & rectal surgery physician records in Texas.
All 209 in Texas → Every provider in San Antonio → Colon & Rectal Surgery Physician nationwide →
The 8 colon & rectal surgery physician records with the nearest ZIP codes
- Mario Alcantara, M.D.San Antonio, TX 782581609039049
- William Lewis, M.D.San Antonio, TX 782581437237369
- Raul Ramos, MDSan Antonio, TX 782581629076096
- John Winston, M.D.San Antonio, TX 782581356357255
- James Prieto, MDSan Antonio, TX 782491154580769
- William Perry, MDLackland A F B, TX 782361821076266
- Bryan KlineSan Antonio, TX 782341225424047
- Katharine Markell, M.D.Ft Sam Houston, TX 782341457328361
Common questions
What is Tamara J. Merchant-McCambry, M.D.'s NPI number?
Tamara J. Merchant-McCambry, M.D.'s National Provider Identifier (NPI) is 1235183526, issued on May 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Tamara J. Merchant-McCambry, M.D. located?
The NPPES record lists a practice address at 1162 E Sonterra Blvd Ste 210, San Antonio, TX, 78258. Phone: (210) 787-7097. Providers update this record themselves, so call before visiting.
How can I verify Tamara J. Merchant-McCambry, M.D.'s license?
NPPES lists Texas license number M3019, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Tamara J. Merchant-McCambry, M.D. prescribe under Medicare Part D?
In 2024, Tamara J. Merchant-McCambry, M.D. had 221 Medicare Part D claims for 159 beneficiaries; the average among colon & rectal surgery physician prescribers was 192. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.