Doctor profile · Federal record

Dr. Alyssa Maskell, AGPCNP-BC

Gerontology Nurse Practitioner (CMS: Nurse Practitioner) · Medical-Surgical Registered Nurse · Nurse Practitioner · Los Angeles, CA

  • NPI 1619642634
  • Accepts Medicare
  • MIPS 78.8 / 100 · 2023
  • 5 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
127 S San Vicente Blvd
Los Angeles, CA 900483311
(310) 423-1160
fax (310) 423-4646
Mailing address
4140 W 190Th St
Torrance, CA 905045513

Credentials & registration

NPPES · NUCC
NPI registered
August 2021 — 5 yrs on file
Profile last updated
July 5, 2022
Year of graduation
2021 — 5 yrs since
Specialty taxonomy
363LG0600X — NUCC code
State licenses (2)
California #95018261 · California #95139717

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1619642634. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
140
Distinct HCPCS
1
Medicare allowed
$11,929
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 140 42 $85

In context: peer comparison

Among 6 peers in this city , average services per provider: 63. This provider delivers 2.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$673
Transactions
8
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 4 $167.31
Incyte Corporation 1 $139.03
Takeda Pharmaceuticals U.S.A., Inc. 1 $123.85
Janssen Biotech, Inc. 1 $122.93
E.R. Squibb & Sons, L.L.C. 1 $119.51

By nature of payment

Food and Beverage
$631
Education
$42

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
81
Patients
23
Total drug cost
$27,331
Drug Type Claims Patients Total cost
Acyclovir Generic 30 12 $616
Valacyclovir (Valacyclovir Hcl) Brand 22 11 $707
Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) Brand 17 0 $59
Posaconazole Generic 12 0 $25,949

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Alyssa Maskell's medical specialty?
Dr. Alyssa Maskell practices Gerontology Nurse Practitioner in Los Angeles, CA.
Where does Dr. Alyssa Maskell practice?
Dr. Alyssa Maskell practices at 127 S San Vicente Blvd, Los Angeles, CA 900483311. Office phone: 3104231160.
What is Dr. Alyssa Maskell's NPI?
Dr. Alyssa Maskell's National Provider Identifier (NPI) is 1619642634, issued by NPPES.
Does Dr. Alyssa Maskell accept Medicare assignment?
Yes. Dr. Alyssa Maskell accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Alyssa Maskell commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.