Quick answers
- Does Tamara J. Merchant-Mccambry accept Medicare assignment?
- Yes. Medicare's clinician data says Tamara J. Merchant-Mccambry accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Tamara J. Merchant-Mccambry see?
- In 2024, CMS data shows 137 Original Medicare patients and 452 services for Tamara J. Merchant-Mccambry. This counts Original Medicare only and measures volume, not quality.
- What is Tamara J. Merchant-Mccambry's NPI number?
- 1235183526. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Tamara J. Merchant-Mccambry, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 137 |
|---|---|
| Services billed to Medicare | 452 |
| Different services or procedures | 51 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)70 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)58 services
- Detection test by immunoassay technique for influenza virus (87400)34 services
- Respiratory infectious agent detection by rna for severe acute respiratory syndrome coronavirus 2 (covid 19), influenza a, influenza b, and respiratory syncytial virus, upper respiratory specimen, each reported as detected or not detected (0241U)30 services
- X-ray of chest, 2 views (71046)21 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Arthritis46%
- Diabetes26%
- Ischemic heart disease24%
- Chronic kidney disease23%
Hospitals where Tamara J. Merchant-Mccambry works
Medicare's Facility Affiliation Data lists Tamara J. Merchant-Mccambry at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Baptist Medical CenterSan Antonio, TX · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 450058
Practice locations
Addresses where Tamara J. Merchant-Mccambry is enrolled with Medicare (CMS data updated October 2, 2026).
- 11811 Blanco RdSan Antonio, TX 78216 (210) 341‑5588
- 13722 Embassy RowSan Antonio, TX 78216 (726) 207‑3656
- 23611w Interstate 10San Antonio, TX 78257 (210) 698‑6617
Group practices
Medicare enrollment lists Tamara J. Merchant-Mccambry as a member of this group (CMS data updated October 2, 2026).
- TMC Provider Group PLLC211 clinicians in the group
Specialties
Find other Colorectal Surgery (Proctology) doctors in Texas →
Other colorectal surgeons in San Antonio
Clinicians with the same Medicare primary specialty in San Antonio, TX — not a recommendation.
Other clinicians in TMC Provider Group PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Rutgers New Jersey Medical School |
| Graduation year | 1999 (27 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1235183526 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians