Doctor profile · Federal record

Dr. Oscar-Alfonso Hernandez, M.D.

Family Medicine Physician (CMS: Family Practice) · Porterville, CA

  • NPI 1598790479
  • Accepts Medicare
  • MIPS 32.8 / 100 · 2023
  • 36 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
139 E Putnam Ave
Porterville, CA 932573832
(559) 784-2176
fax (559) 784-2176

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
March 7, 2023
Year of graduation
1990 — 36 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
California #G072101
Medicaid
CA #00G072101

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1598790479. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,685
Distinct HCPCS
7
Medicare allowed
$146,610
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 1,410 213 $92
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes 95 12 $75
96372 Injection of drug or substance under skin or into muscle 73 41 $15
99496 Transitional care management services for problem of high complexity 31 21 $236
J1885 Injection, ketorolac tromethamine, per 15 mg 31 24 $1
81002 Urinalysis, manual test 29 19 $3
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 16 14 $54

In context: peer comparison

Among 6 peers in this city , average services per provider: 295. This provider delivers 5.7× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$961
Transactions
13
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals LP 4 $440.25
ABBVIE INC. 2 $155.90
Boehringer Ingelheim Pharmaceuticals, Inc. 5 $132.35
Phathom Pharmaceuticals, Inc. 1 $122.98
Lilly USA, LLC 1 $109.05

By nature of payment

Food and Beverage
$961

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
5,515
Patients
1,101
Total drug cost
$76,101
Drug Type Claims Patients Total cost
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 757 88 $17,524
Atorvastatin Calcium Generic 579 111 $6,224
Gabapentin Generic 504 119 $8,798
Amlodipine Besylate Generic 442 93 $3,485
Montelukast Sodium Generic 388 106 $5,501
Metformin Hcl Generic 344 81 $3,138
Lisinopril Generic 342 69 $2,300
Tramadol Hcl Generic 328 50 $4,251
Famotidine Generic 323 70 $3,217
Amitriptyline Hcl Generic 285 59 $2,452

Frequently asked questions

Auto-generated from federal data
What is Dr. Oscar-Alfonso Hernandez's medical specialty?
Dr. Oscar-Alfonso Hernandez practices Family Medicine Physician in Porterville, CA.
Where does Dr. Oscar-Alfonso Hernandez practice?
Dr. Oscar-Alfonso Hernandez practices at 139 E Putnam Ave, Porterville, CA 932573832. Office phone: 5597842176.
What is Dr. Oscar-Alfonso Hernandez's NPI?
Dr. Oscar-Alfonso Hernandez's National Provider Identifier (NPI) is 1598790479, issued by NPPES.
Does Dr. Oscar-Alfonso Hernandez accept Medicare assignment?
Yes. Dr. Oscar-Alfonso Hernandez accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Oscar-Alfonso Hernandez commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Subsequent nursing facility care with straightforward level of medical decision making (HCPCS 99308); Injection of drug or substance under skin or into muscle (HCPCS 96372). Source: CMS Medicare Physician & Other Practitioners file.