Doctor profile · Federal record

Dr. Ramon Colen, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · San Antonio, TX

  • NPI 1811963697
  • Accepts Medicare
  • 25 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
911 Castroville RD
San Antonio, TX 782373146
(210) 436-7402
fax (210) 436-7398
Mailing address
2961 Mossrock
San Antonio, TX 782305119

Credentials & registration

NPPES · NUCC
NPI registered
February 2006 — 20 yrs on file
Profile last updated
July 21, 2022
Year of graduation
2001 — 25 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Texas #L9151

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1811963697. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
44
Distinct HCPCS
3
Medicare allowed
$383
HCPCS Description Services Patients Avg allowed
36415 Insertion of needle into vein for collection of blood sample 19 19 $8
83036 Hemoglobin a1c level 13 13 $10
80048 Blood test, basic group of blood chemicals (calcium, total) 12 12 $8

In context: peer comparison

Among 172 peers in San Antonio Internal Medicine Physician, average services per provider: 137. This provider delivers 0.3× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,794
Patients
771
Total drug cost
$26,305
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 257 105 $2,876
Lisinopril Generic 255 110 $1,830
Metformin Hcl Generic 189 89 $2,027
Amlodipine Besylate Generic 170 73 $921
Simvastatin Generic 141 60 $1,763
Levothyroxine Sodium Generic 112 54 $2,641
Gabapentin Generic 107 40 $2,123
Carvedilol Generic 82 36 $1,138
Metoprolol Succinate Generic 78 30 $1,834
Losartan Potassium Generic 76 27 $1,402

Frequently asked questions

Auto-generated from federal data
What is Dr. Ramon Colen's medical specialty?
Dr. Ramon Colen practices Internal Medicine Physician in San Antonio, TX.
Where does Dr. Ramon Colen practice?
Dr. Ramon Colen practices at 911 Castroville RD, San Antonio, TX 782373146. Office phone: 2104367402.
What is Dr. Ramon Colen's NPI?
Dr. Ramon Colen's National Provider Identifier (NPI) is 1811963697, issued by NPPES.
Does Dr. Ramon Colen accept Medicare assignment?
Yes. Dr. Ramon Colen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ramon Colen commonly perform?
Top Medicare-reported procedures in 2023: Insertion of needle into vein for collection of blood sample (HCPCS 36415); Hemoglobin a1c level (HCPCS 83036); Blood test, basic group of blood chemicals (calcium, total) (HCPCS 80048). Source: CMS Medicare Physician & Other Practitioners file.