Katlin A. Muscarello, PA
Medical Physician Assistant · Emeryville, CA
Katlin A. Muscarello, PA is a medical physician assistant with a practice address in Emeryville, California, and NPI 1538348198, issued on Oct 31, 2007. Check the license (California PA19426, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Katlin A. Muscarello
- Credential
- PA
- Primary taxonomy
- Medical Physician Assistant 363AM0700X
- License number
- PA19426 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2100 Powell St, Emeryville, CA 94608
- Phone
- (510) 350-2777
- Enumerated
- Oct 31, 2007
- Record last updated
- Jan 3, 2022
- Medicare enrollment
- Enrolled (PECOS I20080107000730); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest medical physician assistant records → All 3,376 in California → Look up another NPI →
Also registered at 2100 Powell St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Michael Brazelton, PA-CPhysician Assistant1811355274
- Matthew Cleveland, PA-CMedical Physician Assistant1750685905
Verify Katlin A. Muscarello in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PA19426Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average medical physician assistant in 2024
111 Medicare Part D claims for 79 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. 64 claims were for opioids.
Most prescribed
- Oxycodone Hcl48 claims
- Acetaminophen-Codeine15 claims
- Clopidogrel14 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.
Bills Medicare through one group practice
- Permanente Medical Group IncOakland, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Katlin A. Muscarello among 3,376 medical physician assistant records in California
Katlin A. Muscarello, PA is one of 3,376 medical physician assistant records with a practice address in California. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 20% of them.
- NPI issued2007 · 20% of these records are older, 68% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileYes · 40% of these records are
- Graduated2007 · median 2012 among the 1,347 with a school on file
- Record last updated2022 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
11 medical physician assistant records list a practice address in Emeryville
They are 11 of the 703 NPPES records with a practice address in Emeryville, and 3,376 medical physician assistant records in California.
All 3,376 in California → Every provider in Emeryville → Medical Physician Assistant nationwide →
The 8 medical physician assistant records with the nearest ZIP codes
- Matthew Cleveland, PA-CEmeryville, CA 946081750685905
- Staci Dumas, PA-CEmeryville, CA 946081568493211
- Rodney Koenig, PACEmeryville, CA 946081487668505
- Dana Kwitnicki, PA-CEmeryville, CA 946081700284783
- Jennifer LeighEmeryville, CA 946081679907729
- Riddhi Patel, PAEmeryville, CA 946081689755902
- Lori Petroff, PA-CEmeryville, CA 946081588839518
- Amber Pohl, PA-CEmeryville, CA 946081447444732
Common questions
What is Katlin A. Muscarello, PA's NPI number?
Katlin A. Muscarello, PA's National Provider Identifier (NPI) is 1538348198, issued on Oct 31, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Katlin A. Muscarello, PA located?
The NPPES record lists a practice address at 2100 Powell St, Emeryville, CA, 94608. Phone: (510) 350-2777. Providers update this record themselves, so call before visiting.
How can I verify Katlin A. Muscarello, PA's license?
NPPES lists California license number PA19426, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Katlin A. Muscarello, PA prescribe under Medicare Part D?
In 2024, Katlin A. Muscarello, PA had 111 Medicare Part D claims for 79 beneficiaries; the average among medical physician assistant prescribers was 1,148. Part D covers Medicare prescriptions only.
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.