Alyssa Ann Maskell, AGPCNP-BC
Gerontology Nurse Practitioner · Los Angeles, CA
Alyssa Ann Maskell, AGPCNP-BC is a gerontology nurse practitioner with a practice address in Los Angeles, California, and NPI 1619642634, issued on Aug 11, 2021. Check the license (California 95018261, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Alyssa Ann Maskell
- Credential
- AGPCNP-BC
- Primary taxonomy
- Gerontology Nurse Practitioner 363LG0600X
- License numbers
- 95018261 CA
95139717 CA
Self-reported in NPPES; status is on the state search - Practice location
- 127 S San Vicente Blvd, Los Angeles, CA 90048
- Phone
- (310) 423-1160
- Enumerated
- Aug 11, 2021
- Record last updated
- Jul 5, 2022
- Fax
- (310) 423-4646
- Medicare enrollment
- Enrolled (PECOS I20220810002027); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gerontology nurse practitioner records → All 569 in California → Look up another NPI →
Also registered at 127 S San Vicente Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Alyssa Ann Maskell in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 95018261Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
65% fewer Medicare Part D claims than the average gerontology nurse practitioner in 2024
484 Medicare Part D claims for 76 beneficiaries, against an average of 1,369 among the 6,165 providers of this specialty who prescribed in Part D. 14 claims were for opioids.
Most prescribed
- Valacyclovir51 claims
- Sulfamethoxazole-Trimethoprim50 claims
- Pantoprazole Sodium38 claims
- Acyclovir33 claims
- Prednisone19 claims
- Methylprednisolone Sodium Succ18 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 87.7 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $672.63
8 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 3,903 providers of this specialty with any payment received $742.05 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
One hospital affiliation
- Cedars-Sinai Medical CenterWest Hollywood, CA · Acute Care Hospitals5 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Alyssa Ann Maskell among 569 gerontology nurse practitioner records in California
Alyssa Ann Maskell, AGPCNP-BC is one of 569 gerontology nurse practitioner records with a practice address in California. 64% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 68% of them.
- NPI issued2021 · 68% of these records are older, 28% newer
- In a Medicare fileYes · 64% of these records are
- In the CMS Doctors and Clinicians fileYes · 42% of these records are
- Graduated2021 · median 2018 among the 239 with a school on file
- Record last updated2022 · 44% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LG0600X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gerontology Nurse Practitioner providers in California
There are 569 gerontology nurse practitioner records in California.
All 569 in California → Every provider in Los Angeles → Gerontology Nurse Practitioner nationwide →
The 8 gerontology nurse practitioner records with the nearest ZIP codes
- Sabine AltidorLos Angeles, CA 900481205598463
- Amrit DhaliwalLos Angeles, CA 900481316435365
- Emily Downing-Mahli, NPWest Hollywood, CA 900481386193225
- Jill Frese, AGPCNP-BCWest Hollywood, CA 900481699395897
- Dyane GatmaitanLos Angeles, CA 900481104229178
- Miya Han, NPWest Hollywood, CA 900481679105654
- Rita Hand, G.N.P.West Hollywood, CA 900481215929765
- Yasamin Linney, NPWest Hollywood, CA 900481558916106
Common questions
What is Alyssa Ann Maskell, AGPCNP-BC's NPI number?
Alyssa Ann Maskell, AGPCNP-BC's National Provider Identifier (NPI) is 1619642634, issued on Aug 11, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Alyssa Ann Maskell, AGPCNP-BC located?
The NPPES record lists a practice address at 127 S San Vicente Blvd, Los Angeles, CA, 90048. Phone: (310) 423-1160. Providers update this record themselves, so call before visiting.
How can I verify Alyssa Ann Maskell, AGPCNP-BC's license?
NPPES lists California license number 95018261, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Alyssa Ann Maskell, AGPCNP-BC prescribe under Medicare Part D?
In 2024, Alyssa Ann Maskell, AGPCNP-BC had 484 Medicare Part D claims for 76 beneficiaries; the average among gerontology nurse practitioner prescribers was 1,369. Part D covers Medicare prescriptions only.
What is Alyssa Ann Maskell, AGPCNP-BC's MIPS final score?
The 2023 MIPS final score is 87.7 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.