Doctor profile · Federal record

Dr. Michael Herzik, M.D.

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

  • NPI 1801207873
  • Accepts Medicare
  • 12 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
12446 West Ave Ste 200
San Antonio, TX 782162530
(210) 525-1668
Additional location
8026 Floyd Curl Dr
San Antonio, TX 782293915
(210) 562-0037
Mailing address
7330 San Pedro Ave
San Antonio, TX 782166235

Credentials & registration

NPPES · NUCC
NPI registered
May 2014 — 12 yrs on file
Profile last updated
February 25, 2019
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
207R00000X — NUCC code
State licenses (2)
Texas #R2619 · Mississippi #T-2807
Medicaid
TX #377321003

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1801207873. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,182
Distinct HCPCS
4
Medicare allowed
$114,335
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 629 169 $75
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 301 118 $113
99239 Hospital discharge day management, more than 30 minutes 151 144 $109
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 101 94 $164

In context: peer comparison

Among 172 peers in San Antonio Internal Medicine Physician, average services per provider: 137. This provider delivers 8.6× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
202
Patients
95
Total drug cost
$12,320
Drug Type Claims Patients Total cost
Amlodipine Besylate Generic 28 14 $185
Cefdinir Generic 19 19 $227
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 19 19 $238
Pantoprazole Sodium Generic 19 17 $208
Carvedilol Generic 18 0 $116
Furosemide Generic 16 0 $71
Ciprofloxacin Hcl Generic 15 15 $142
Eliquis (Apixaban) Brand 15 0 $9,410
Metoprolol Tartrate Generic 15 0 $88
Nifedipine ER (Nifedipine) Brand 14 11 $501

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Herzik's medical specialty?
Dr. Michael Herzik practices Internal Medicine Physician in San Antonio, TX.
Where does Dr. Michael Herzik practice?
Dr. Michael Herzik practices at 12446 West Ave Ste 200, San Antonio, TX 782162530. Office phone: 2105251668.
What is Dr. Michael Herzik's NPI?
Dr. Michael Herzik's National Provider Identifier (NPI) is 1801207873, issued by NPPES.
Does Dr. Michael Herzik accept Medicare assignment?
Yes. Dr. Michael Herzik accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Herzik commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.