Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MS. MARIE NICOLE HAMILTON P.A.
NPI 1720394000
Physician Assistant in Valencia, CA

Q: What is Marie Hamilton's NPI number?

The NPI number for Marie Hamilton is 1720394000. It was assigned to this individual provider in the NPPES registry on August 25, 2010.

Q: What is Marie Hamilton's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Q: When was this NPI record last updated?

The NPPES record for Marie Hamilton was last updated on June 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 53 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since August 25, 2010PECOS EnrolledAccepts Medicare Assignment

27235 TOURNEY RD STE 2500, VALENCIA, CA 91355(818) 869-7254 Get Directions Write a Review

NPPES record last updated: June 30, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Mar 2, 2016, Feb 24, 2016 (2 updates tracked since 2016).

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About Ms. Marie Nicole Hamilton P.a. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MS. MARIE NICOLE HAMILTON P.A. (NPI 1720394000) is an individual physician assistant in Valencia, California, licensed in California (PA21076) and active in the NPI registry since August 2010. She is enrolled in Medicare PECOS and is a graduate of University Of Southern California Keck School Of Medicine (2010).

NPPES Registry Identity

NPI1720394000

Entity TypeIndividualFemale

Primary Taxonomy363A00000X

Provider Legal NameMS. MARIE NICOLE HAMILTONCredential: P.A.

Location Address27235 TOURNEY RD STE 2500Valencia, CA 91355-5908

Mailing Address5767 W Century Blvd Ste 400Los Angeles, CA 90045-5631 · (310) 301-8707

Phone(818) 869-7254

Sole ProprietorNo

Medical School CMSUniversity Of Southern California Keck School Of MedicineGraduated 2010

Enumeration DateAugust 25, 2010

Last NPPES UpdateJune 30, 20262 updates tracked since enumeration

NPPES CertifiedJune 30, 2026

✔ NPI 1720394000 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363A00000X

License✔ Licensed in CA · PA21076

Definition

A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

27235 TOURNEY RD STE 2500, Valencia, CA 91355

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Ms. Marie Nicole Hamilton P.a. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2860671997

PECOS Enrollment IDI20110121000423

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

28 services24 patients

Telephone medical discussion with physician, 5-10 minutes 99441

A telephone medical discussion with a physician is a brief, 5-10 minute call where you can discuss your health concerns. It's a convenient way to receive medical advice without needing to visit a clinic. It's important to prepare questions in advance to make the most of this time.

28 services27 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

18 services18 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

13 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91355 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$96.36 typical visit price

range $62.96 – $187.60

Typical copayment $24.09 (range $15.74 – $46.90)

Most-billed visit code 99203

Established Patient

$77.96 typical visit price

range $20.84 – $153.61

Typical copayment $19.49 (range $5.21 – $38.40)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DIANA BOULOS KNEIBER MD

Dermatology

27235 TOURNEY RD STE 2500
SANTA CLARITA, CA 91355

Los Angeles County (661) 253-5851

RAMANDEEP BAINS M.D.

Internal Medicine (Rheumatology)