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MELISSA HANSEN AMBROSIO PA-C
NPI 1871837872
Physician Assistant in Ventura, CA

Active since November 15, 2012PECOS EnrolledAccepts Medicare Assignment
87.18/100
CMS Quality Rating
300 HILLMONT AVE, VENTURA, CA 93003(805) 652-6556 Get Directions Write a Review

NPPES record last updated: May 11, 2023. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: May 11, 2023, Aug 25, 2020, Sep 4, 2019 and 3 more (6 updates tracked since 2015).

About Melissa Hansen Ambrosio Pa-c NPPES

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

MELISSA HANSEN AMBROSIO PA-C (NPI 1871837872) is an individual physician assistant in Ventura, California, licensed in California (22711) and active in the NPI registry since November 2012. She is enrolled in Medicare PECOS and is a graduate of Other (2012).

NPPES Registry Identity

NPI1871837872
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameMELISSA HANSEN AMBROSIOCredential: PA-C
Location Address300 HILLMONT AVEVentura, CA 93003-1651
Mailing Address800 S Victoria Ave, L4615, Vchca - Physician ServicesVentura, CA 93009-0003 · (805) 677-5181 · Fax (805) 677-5304
Phone(805) 652-6556
Sole ProprietorNo
Medical School CMSOtherGraduated 2012
Enumeration DateNovember 15, 2012
Last NPPES UpdateMay 11, 20236 updates tracked since enumeration
NPPES CertifiedMay 11, 2023
✔ NPI 1871837872 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License✔ Licensed in CA · 22711
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.
Also ListedPhysician Assistant · MedicalTaxonomy 363AM0700X · License 22711 (CA)
Also ListedPhysician Assistant · SurgicalTaxonomy 363AS0400X · License 22711 (CA)
300 HILLMONT AVE, Ventura, CA 93003
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Other Names 1

Former Name (1)Melissa Elizabeth Hansen Pa-c

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

Melissa Hansen Ambrosio Pa-c 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 ID1557513769
PECOS Enrollment IDI20121217000393
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 3

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 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.
29 services24 patients
Biopsy of related skin growth, first growth 11102
A biopsy of a skin growth involves taking a small sample of the growth to examine it under a microscope. This helps determine if the growth is harmful. The procedure is typically quick, with minimal discomfort. It's a crucial step in ensuring your skin's health.
18 services15 patients
Destruction of skin growth, 1-14 growths 17110
"Destruction of skin growth" refers to a procedure where 1-14 abnormal skin growths are removed. This is done using methods such as freezing, burning, or laser therapy. It helps prevent the growth from causing discomfort or turning into a more serious condition.
15 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 93003 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
$95.28 typical visit price
range $62.32 – $185.36
Typical copayment $23.82 (range $15.58 – $46.34)
Most-billed visit code 99203
Established Patient
$77.11 typical visit price
range $20.68 – $151.85
Typical copayment $19.27 (range $5.17 – $37.96)
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

87.18/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality84.09
Promoting Interoperability100
Improvement Activities40
Cost56.53

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.

DANIEL FREITAS
Case Manager/Care Coordinator
300 HILLMONT AVE
VENTURA, CA 93003
Ventura County (805) 652-6161
LINDSAY ANN LOFT FNP
Nurse Practitioner (Family)
300 HILLMONT AVE, BLDG 340, STE 401
VENTURA, CA 93003
Ventura County (805) 641-0141
DENNIS J WATSON
Counselor (Mental Health)
300 HILLMONT AVE
VENTURA, CA 93003
Ventura County (805) 562-5907
NATHAN BRODIE
Case Manager/Care Coordinator
300 HILLMONT AVE
VENTURA, CA 93003
Ventura County (805) 652-6161
MARY E. RASMUSSEN REG.NURSE
Registered Nurse
300 HILLMONT AVE
VENTURA, CA 93003
Ventura County (805) 652-3200
KAYLEE MICHELLE JONES HANTKE
Student in an Organized Health Care Education/Training Program
300 HILLMONT AVE
VENTURA, CA 93003
Ventura County (805) 652-6000
ISABELLA GENEVA CHEN M.D.
Internal Medicine (Hematology & Oncology)
300 HILLMONT AVE, BLDG 340, STE 501
VENTURA, CA 93003
Ventura County (805) 652-6218
DR. LINDA J. LEE MD
Pathology (Anatomic Pathology & Clinical Pathology)
300 HILLMONT AVE
VENTURA, CA 93003
Ventura County (213) 867-7814

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Melissa Ambrosio's NPI number?

The NPI number for Melissa Ambrosio is 1871837872. It was assigned to this individual provider in the NPPES registry on November 15, 2012. The provider is also known as Melissa Elizabeth Hansen Pa-C.

Where is Melissa Ambrosio located?

Melissa Ambrosio practices at 300 Hillmont Ave, Ventura, CA 93003. The listed phone number is (805) 652-6556.

What is Melissa Ambrosio's specialty?

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

Is Melissa Ambrosio enrolled in Medicare?

Yes. Melissa Ambrosio is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Melissa Ambrosio was last updated on May 11, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years 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.