Doctor profile · Federal record

Dr. Maria Massella Hernandez, NP

Family Medicine Physician (CMS: Nurse Practitioner) · Oakland, CA

  • NPI 1962917377
  • Accepts Medicare
  • 9 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3451 E. 12Th Street, Family Medicine Department, Administration
Oakland, CA 94601
(510) 535-3500
fax (510) 535-4225

Credentials & registration

NPPES · NUCC
NPI registered
December 2017 — 9 yrs on file
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
California #95007332

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1962917377. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
12
Distinct HCPCS
1
Medicare allowed
$53
HCPCS Description Services Patients Avg allowed
83036 Hemoglobin a1c level 12 12 $4

In context: peer comparison

Among 24 peers in Oakland Family Medicine Physician, average services per provider: 77. This provider delivers 0.2× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
399
Patients
23
Total drug cost
$5,658
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 63 23 $1,228
Lisinopril Generic 42 0 $389
Metformin Hcl Generic 37 0 $440
Amlodipine Besylate Generic 33 0 $107
Gabapentin Generic 33 0 $787
Finasteride Generic 29 0 $316
Simvastatin Generic 28 0 $82
Famotidine Generic 23 0 $466
Metoprolol Succinate Generic 18 0 $341
Hydrochlorothiazide Generic 17 0 $149

Frequently asked questions

Auto-generated from federal data
What is Dr. Maria Massella Hernandez's medical specialty?
Dr. Maria Massella Hernandez practices Family Medicine Physician in Oakland, CA.
Where does Dr. Maria Massella Hernandez practice?
Dr. Maria Massella Hernandez practices at 3451 E. 12Th Street, Oakland, CA 94601. Office phone: 5105353500.
What is Dr. Maria Massella Hernandez's NPI?
Dr. Maria Massella Hernandez's National Provider Identifier (NPI) is 1962917377, issued by NPPES.
Does Dr. Maria Massella Hernandez accept Medicare assignment?
Yes. Dr. Maria Massella Hernandez accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Maria Massella Hernandez commonly perform?
Top Medicare-reported procedures in 2023: Hemoglobin a1c level (HCPCS 83036). Source: CMS Medicare Physician & Other Practitioners file.