Doctor profile · Federal record

Dr. Guy Bennallack, DO

Family Medicine Physician (CMS: Family Practice) · Emergency Medicine Physician · Emergency Medicine Physician · Family Medicine Physician · Santa Maria, CA

  • NPI 1245610344
  • Accepts Medicare
  • 11 yrs in practice
  • Licensed in 2 states
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1400 E Church St Bldg 8
Santa Maria, CA 93454
(805) 739-3561

Credentials & registration

NPPES · NUCC
NPI registered
June 2015 — 11 yrs on file
Profile last updated
March 23, 2020
Year of graduation
2015 — 11 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State licenses (3)
Texas #S3795 · California #20A15415 · California #XXXXXXXXXX

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1245610344. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
560
Distinct HCPCS
5
Medicare allowed
$59,066
HCPCS Description Services Patients Avg allowed
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 179 153 $8
99285 Emergency department visit with high level of medical decision making 156 146 $171
99284 Emergency department visit with moderate level of medical decision making 138 128 $117
99291 Critical care, first 30-74 minutes 66 63 $204
99283 Emergency department visit with low level of medical decision making 21 20 $70

In context: peer comparison

Among 31 peers in this city , average services per provider: 141. This provider delivers 4.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
369
Patients
364
Total drug cost
$7,951
Drug Type Claims Patients Total cost
Ondansetron Odt (Ondansetron) Brand 75 72 $617
Cefpodoxime Proxetil Generic 50 48 $5,146
Prednisone Generic 36 36 $64
Azithromycin Generic 27 27 $112
Ibuprofen Generic 23 23 $97
Famotidine Generic 21 21 $137
Ketorolac Tromethamine Generic 20 20 $379
Cyclobenzaprine Hcl Generic 19 19 $54
Nitrofurantoin Mono-Macro (Nitrofurantoin Monohyd/M-Cryst) Brand 19 19 $348
Paxlovid (Eua) (Nirmatrelvir/Ritonavir) Brand 19 19 $206

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Guy Bennallack's medical specialty?
Dr. Guy Bennallack practices Family Medicine Physician in Santa Maria, CA.
Where does Dr. Guy Bennallack practice?
Dr. Guy Bennallack practices at 1400 E Church St Bldg 8, Santa Maria, CA 93454. Office phone: 8057393561.
What is Dr. Guy Bennallack's NPI?
Dr. Guy Bennallack's National Provider Identifier (NPI) is 1245610344, issued by NPPES.
Does Dr. Guy Bennallack accept Medicare assignment?
Yes. Dr. Guy Bennallack accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Guy Bennallack commonly perform?
Top Medicare-reported procedures in 2023: Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284). Source: CMS Medicare Physician & Other Practitioners file.