GUIDO CALDERON (MD) – Internal Medicine Physician, NPI 1720053739
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 GUIDO CALDERON (MD)
1619 E COMMON ST STE 1201
NEW BRAUNFELS, TX 781303464
Phone: (830) 620-0330
Fax: (830) 620-5405
Type: Location
PO BOX 310682
NEW BRAUNFELS, TX 781310682
Phone: (830) 620-0330
Fax: (830) 620-5405
Type: Mailing
29924 FM 3009
NEW BRAUNFELS, TX 781322637
Phone: (830) 620-0330
Fax: (833) 658-1505
Type: Location
921, Lakeview Boulevard, Rio Vista, New Braunfels, Comal County, Texas, 78130, United States
SUITE 200
NEW BRAUNFELS, TX 781304135
Phone: (830) 620-0330
Fax: (830) 620-5405
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 2 Open Payments records for all available years, with a total value of $214.
Total Amount is formed as General ($214) + Research ($0) + Ownership ($0) = $214.
Last reported payment date: 2024-04-18 • Largest payer in this snapshot: Neurocrine BioSciences, Inc. ($117).
Total Amount
$214
General + Research + Ownership
Payments
2
Total payment records
General Amount
$214
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-04-18
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Neurocrine BioSciences, Inc. | $117 |
| Lilly USA, LLC | $97 |
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: 2007-02-15
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 |
|---|---|---|---|---|
| I20070215000250 | 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 |
|---|---|---|---|---|
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 3,055 | 671 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 2,351 | 925 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 539 | 475 | $0 |
| 99231 | Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 539 | 235 | $0 |
| 99490 | Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month | 503 | 114 | $0 |
Insurance plans in this area (ZIP 78130)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Physician Assistant | TX | |
| Nurse Practitioner | TX | |
| Nurse Practitioner | TX | |
| Nurse Practitioner | TX | |
| Emergency Medicine | TX | |
| Nurse Practitioner | TX | |
| Nurse Practitioner | TX | |
| Internal Medicine | TX | |
| Nurse Practitioner | TX | |
| Nurse Practitioner | TX |
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