IRENE MICHELE MARIA RITTERMAN R.N., N.P.
NPI 1336505247
Nurse Practitioner - Family in Palo Alto, CA

Q: What is Irene Ritterman's NPI number?

The NPI number for Irene Ritterman is 1336505247. It was assigned to this individual provider in the NPPES registry on January 7, 2016.

Q: What is Irene Ritterman's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Q: When was this NPI record last updated?

The NPPES record for Irene Ritterman was last updated on May 29, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.

Active since January 07, 2016PECOS EnrolledAccepts Medicare Assignment

795 EL CAMINO REAL, PALO ALTO, CA 94301(650) 853-2977 Get Directions Write a Review

NPPES record last updated: May 29, 2020. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: May 29, 2020, Feb 20, 2020, Apr 11, 2017 (3 updates tracked since 2017).

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About Irene Michele Maria Ritterman R.n., N.p. NPPES

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

IRENE MICHELE MARIA RITTERMAN R.N., N.P. (NPI 1336505247) is an individual family provider in Palo Alto, California, licensed in California (NP95002843) and active in the NPI registry since January 2016. She is enrolled in Medicare PECOS and is a graduate of Other (2015).

NPPES Registry Identity

NPI1336505247

Entity TypeIndividualFemale

Primary Taxonomy363LF0000X

Provider Legal NameIRENE MICHELE MARIA RITTERMANCredential: R.N., N.P.

Location Address795 EL CAMINO REALPalo Alto, CA 94301-2302

Mailing Address325 Distel CirLos Altos, CA 94022-1408

Phone(650) 853-2977

Sole ProprietorNo

Medical School CMSOtherGraduated 2015

Enumeration DateJanuary 7, 2016

Last NPPES UpdateMay 29, 20203 updates tracked since enumeration

NPPES CertifiedMay 29, 2020

✔ NPI 1336505247 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LF0000X

License✔ Licensed in CA · NP95002843

Also ListedRegistered NurseTaxonomy 163W00000X · License 847527 (CA)

795 EL CAMINO REAL, Palo Alto, CA 94301

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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

Irene Michele Maria Ritterman R.n., N.p. 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 ID9133405228

PECOS Enrollment IDI20170403001991

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.

33 services28 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.

21 services20 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.

12 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94301 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

$106.47 typical visit price

range $70.37 – $206.04

Typical copayment $26.61 (range $17.59 – $51.51)

Most-billed visit code 99203

Established Patient

$121.77 typical visit price

range $23.96 – $169.60

Typical copayment $30.44 (range $5.99 – $42.40)

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.

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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.

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