DR. SANKARARAO TAMTAM (M.D.) – Internal Medicine Physician, NPI 1588625735
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
13,290 INTERNAL MEDICINE in TX
Provider Addresses for DR. SANKARARAO TAMTAM (M.D.)
425 W COLONIAL DR STE 303
ORLANDO, FL 328046863
Phone: (830) 730-5025
Fax: (830) 730-4207
Type: Mailing
1770 STATE HIGHWAY 46 W STE 1201
NEW BRAUNFELS, TX 781325393
Phone: (830) 730-4125
Fax: (830) 312-7896
Type: Location
South Highway 123 Bypass, Seguin, Guadalupe County, Texas, 78155, United States
SEGUIN, TX 781559756
Phone: (830) 379-3999
Fax: (830) 379-3990
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 24 Open Payments records for all available years, with a total value of $440.
Total Amount is formed as General ($440) + Research ($0) + Ownership ($0) = $440.
Last reported payment date: 2023-12-05 • Largest payer in this snapshot: Lilly USA, LLC ($133).
Total Amount
$440
General + Research + Ownership
Payments
24
Total payment records
General Amount
$440
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-12-05
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Lilly USA, LLC | $133 |
| Otsuka America Pharmaceutical, Inc. | $56 |
| Amgen Inc. | $51 |
| Sonex Health, Inc. | $42 |
| Novo Nordisk Inc | $32 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2010-12-03
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20101203001202 | I | Internal Medicine | TX | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 572 | 249 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 186 | 46 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 155 | 93 | $0 |
| 99497 | Advance care planning, first 30 minutes | 82 | 82 | $0 |
| G0442 | Annual alcohol misuse screening, 5 to 15 minutes | 78 | 78 | $0 |
Insurance plans in this area (ZIP 32804)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| N E U R O L O G Y | TX | |
| Internal Medicine | TX | |
| - | TX | |
| - | TX | |
| Internal Medicine | HI | |
| Family Practice, Geriatric Medicine | TX | |
| Nurse Practitioner | TX | |
| Nurse Practitioner | TX | |
| Family Practice, Addiction Medicine | FL | |
| - | TX |
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