Doctor profile · Federal record

Dr. Karwin McCain, MD

Physical Medicine & Rehabilitation Physician (CMS: Physical Medicine and Rehabilitation) · Student in an Organized Health Care Education/Training Program · San Antonio, TX

  • NPI 1922282847
  • Accepts Medicare
  • MIPS 100.0 / 100 · 2023
  • 20 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
9643 Huebner RD, Suite 103
San Antonio, TX 782401751
(210) 614-8222

Credentials & registration

NPPES · NUCC
NPI registered
December 2007 — 19 yrs on file
Profile last updated
May 2, 2011
Year of graduation
2006 — 20 yrs since
Specialty taxonomy
208100000X — NUCC code
State license (1)
Texas #N7639

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1922282847. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,525
Distinct HCPCS
8
Medicare allowed
$211,953
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 910 291 $76
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 576 548 $125
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 573 203 $48
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 197 136 $114
99238 Hospital discharge day management, 30 minutes or less 107 100 $78
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes 98 34 $71
99305 Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes 34 33 $128
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and 30 30 $50

In context: peer comparison

Among 15 peers in San Antonio Physical Medicine & Rehabilitation Physician, average services per provider: 221. This provider delivers 11× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
784
Patients
750
Total drug cost
$16,650
Drug Type Claims Patients Total cost
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 190 185 $1,709
Gabapentin Generic 144 139 $969
Celecoxib Generic 133 130 $1,334
Atorvastatin Calcium Generic 49 47 $373
Pregabalin Generic 43 36 $799
Methocarbamol Generic 38 37 $906
Pantoprazole Sodium Generic 34 30 $384
Metoprolol Tartrate Generic 24 21 $103
Clopidogrel (Clopidogrel Bisulfate) Brand 20 18 $165
Eliquis (Apixaban) Brand 20 18 $9,368

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Karwin McCain's medical specialty?
Dr. Karwin McCain practices Physical Medicine & Rehabilitation Physician in San Antonio, TX.
Where does Dr. Karwin McCain practice?
Dr. Karwin McCain practices at 9643 Huebner RD, San Antonio, TX 782401751. Office phone: 2106148222.
What is Dr. Karwin McCain's NPI?
Dr. Karwin McCain's National Provider Identifier (NPI) is 1922282847, issued by NPPES.
Does Dr. Karwin McCain accept Medicare assignment?
Yes. Dr. Karwin McCain accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Karwin McCain commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231). Source: CMS Medicare Physician & Other Practitioners file.