Gregory Colon, MD
NPI 1972594141 · Family Medicine Physician · San Marcos, TX
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Colon, MD is a Family Medicine Physician provider in San Marcos, TX (NPI 1972594141).
Provider details
- NPI number
- 1972594141
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- J5731 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,128 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 434 | $121 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 200 | $9 |
| Urinalysis, Manual Test81002 | 90 | $3 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 84 | $123 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 68 | $87 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 171 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 740 | 98 |
| Atorvastatin Calcium | 433 | 124 |
| Levothyroxine Sodium | 370 | 91 |
| Lisinopril | 335 | 100 |
| Amlodipine Besylate | 333 | 97 |
| Gabapentin | 330 | 66 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-11-04
- Last updated
- 2017-04-11
Frequently asked questions
- What is Gregory Colon's NPI number?
- Gregory Colon's National Provider Identifier (NPI) is 1972594141, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Colon's specialty?
- Gregory Colon is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Colon located?
- Gregory Colon's practice location on file with NPPES is 2108 Hunter Rd, San Marcos, TX 78666-5155.
- What is Gregory Colon's phone number?
- The practice phone number listed in the NPPES registry for Gregory Colon is (512) 754-7700.
- Does Gregory Colon accept Medicare?
- Gregory Colon is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Colon's NPI active?
- Yes — Gregory Colon's NPI (1972594141) is active in the NPPES registry as of the last update on 2017-04-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.