Marylou Hernandez, PA-C
Physician Assistant · Snohomish, WA
Marylou Hernandez, PA-C is a physician assistant with a practice address in Snohomish, Washington, and NPI 1013987379, issued on Jan 26, 2006. Check the license (Washington PA10004360, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Marylou Hernandez
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License numbers
- PA10004360 WA
013704 NY
Self-reported in NPPES; status is on the state search - Practice location
- 8202 134TH St SE, Snohomish, WA 98296
- Phone
- (206) 459-2847
- Enumerated
- Jan 26, 2006
- Record last updated
- Jul 13, 2010 (not updated in 16 years: call before relying on the address or phone)
- Medicaid ID
- 8353773 WA
- Medicare enrollment
- Enrolled (PECOS I20101108000260); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 3,718 in Washington → Look up another NPI →
Verify Marylou Hernandez in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license PA10004360Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average physician assistant in 2024
37 Medicare Part D claims for 28 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 23 claims were for opioids.
Most prescribed
- Oxycodone-Acetaminophen15 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.
Industry payments in 2024: $1,185.34
9 payments; by number, the most common kind was food and beverage; the largest payer was Intuitive Surgical, Inc. The 64,719 providers of this specialty with any payment received $841.65 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.
Bills Medicare through one group practice
- Samaritan Medical Services PCWest Islip, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marylou Hernandez among 3,718 physician assistant records in Washington
Marylou Hernandez, PA-C is one of 3,718 physician assistant records with a practice address in Washington. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 3% of them.
- NPI issued2006 · 3% of these records are older, 80% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2002 · median 2017 among the 2,460 with a school on file
- Record last updated2010 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
7 physician assistant records list a practice address in Snohomish
They are 7 of the 558 NPPES records with a practice address in Snohomish, and 3,718 physician assistant records in Washington.
All 3,718 in Washington → Every provider in Snohomish → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Brooklyn Goudreau, PA-CSnohomish, WA 982961497388011
- Katrina Bowen, PAStanwood, WA 982921184150278
- Sonja Brandstrom, PA-CStanwood, WA 982921295127124
- Kevin Darland, PA-CStanwood, WA 982921982848693
- Elizabeth Dominguez, PA-CStanwood, WA 982921881427235
- Chris Gustafson, PA-CStanwood, WA 982921922177088
- Heather Gutierrez, PA-SStanwood, WA 982921174972822
- Jason Davis, P.A. -CSnohomish, WA 982901114257789
Common questions
What is Marylou Hernandez, PA-C's NPI number?
Marylou Hernandez, PA-C's National Provider Identifier (NPI) is 1013987379, issued on Jan 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Marylou Hernandez, PA-C located?
The NPPES record lists a practice address at 8202 134TH St SE, Snohomish, WA, 98296. Phone: (206) 459-2847. Providers update this record themselves, so call before visiting.
How can I verify Marylou Hernandez, PA-C's license?
NPPES lists Washington license number PA10004360, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.
How much does Marylou Hernandez, PA-C prescribe under Medicare Part D?
In 2024, Marylou Hernandez, PA-C had 37 Medicare Part D claims for 28 beneficiaries; the average among physician assistant prescribers was 830. 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.