JENNIFER ALTAMIRA ACNP
NPI 1205815248
Nurse Practitioner - Acute Care in Mission Viejo, CA

Active since January 10, 2006PECOS EnrolledAccepts Medicare Assignment
26800 CROWN VALLEY PKWY, SUITE 120, MISSION VIEJO, CA 92691(949) 364-3388(949) 364-5026 Get Directions Write a Review

NPPES record last updated: March 31, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Mar 31, 2021, Sep 7, 2018 (2 updates tracked since 2018).

About Jennifer Altamira Acnp NPPES

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

JENNIFER ALTAMIRA ACNP (NPI 1205815248) is an individual acute care provider in Mission Viejo, California, licensed in California (15147) and active in the NPI registry since January 2006. She is enrolled in Medicare PECOS and is a graduate of Other (2004).

NPPES Registry Identity

NPI1205815248
Entity TypeIndividualFemale
Primary Taxonomy363LA2100X
Provider Legal NameJENNIFER ALTAMIRACredential: ACNP
Location Address26800 CROWN VALLEY PKWY, SUITE 120Mission Viejo, CA 92691
Mailing Address26800 Crown Valley Pkwy Ste 120Mission Viejo, CA 92691-8033
Fax(949) 364-5026
Sole ProprietorNo
Medical School CMSOtherGraduated 2004
Enumeration DateJanuary 10, 2006
Last NPPES UpdateMarch 31, 20212 updates tracked since enumeration
NPPES CertifiedMarch 31, 2021
✔ NPI 1205815248 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Acute CarePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2100X
License✔ Licensed in CA · 15147
26800 CROWN VALLEY PKWY, Mission Viejo, CA 92691

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Jennifer Altamira Acnp 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 ID1254371610
PECOS Enrollment IDI20050505000481
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.

Medicare Billing Reassignment

Medicare enrollment records show Jennifer Altamira reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Family Medicine
26522 LA ALAMEDA, SUITE 120
Mission Viejo, CA 92691
  • Reassigned Medicare billing, California enrollment
  • 1,699 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 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.
319 services248 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.
57 services55 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
35 services35 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000
An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.
17 services17 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92691 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
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
Most-billed visit code 99214
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.

Specialist
26800 CROWN VALLEY PKWY, SUITE 230
MISSION VIEJO, CA 92691
Podiatrist (Foot & Ankle Surgery)
26800 CROWN VALLEY PKWY, SUITE 320
MISSION VIEJO, CA 92691
Internal Medicine (Endocrinology, Diabetes & Metabolism)
26800 CROWN VALLEY PKWY, SUITE 230
MISSION VIEJO, CA 92691
Emergency Medicine
26800 CROWN VALLEY PKWY, SUITE 150
MISSION VIEJO, CA 92691
Obstetrics & Gynecology
26800 CROWN VALLEY PKWY, SUITE 525
MISSION VIEJO, CA 92691
Dentist (Periodontics)
26800 CROWN VALLEY PKWY, STE 375
MISSION VIEJO, CA 92691
Internal Medicine (Cardiovascular Disease)
26800 CROWN VALLEY PKWY, SUITE 250
MISSION VIEJO, CA 92691
Internal Medicine (Nephrology)
26800 CROWN VALLEY PKWY, SUITE 250
MISSION VIEJO, CA 92691

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 Jennifer Altamira's NPI number?

The NPI number for Jennifer Altamira is 1205815248. It was assigned to this individual provider in the NPPES registry on January 10, 2006.

Where is Jennifer Altamira located?

Jennifer Altamira practices at 26800 Crown Valley Pkwy Suite 120, Mission Viejo, CA 92691. The listed phone number is (949) 364-3388.

What is Jennifer Altamira's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.

Is Jennifer Altamira enrolled in Medicare?

Yes. Jennifer Altamira 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.

Which organization bills Medicare for Jennifer Altamira's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jennifer Altamira reassigns Medicare benefits to Providence Medical Foundation (Mission Viejo, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Jennifer Altamira's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Jennifer Altamira was last updated on March 31, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.