NPPES file of Aug 9, 2026

Marie Catherine Giarratana - Young, NP

Ambulatory Care Registered Nurse · Santa Rosa, CA

Marie Catherine Giarratana - Young, NP is an ambulatory care registered nurse with a practice address in Santa Rosa, California, and NPI 1669682787, issued on May 24, 2007. Check the license (California 244171, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1669682787
Name
Marie Catherine Giarratana - Young
Credential
NP
Primary taxonomy
Ambulatory Care Registered Nurse 163WP2201X
License number
244171 CA
Self-reported in NPPES; status is on the state search
Practice location
509 7TH St, Santa Rosa, CA 95401
Phone
(415) 289-6655
Enumerated
May 24, 2007
Record last updated
Dec 20, 2017 (not updated in 9 years: call before relying on the address or phone)
Fax
(415) 924-7727
Medicare enrollment
Enrolled (PECOS I20141217002342); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 509 7TH St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Nancy Burkey, M.D.Psychiatry Physician1730274697
  2. Mark Eisnitz, PH.D.Clinical Psychologist1205996790
  3. Shannen Fraley, MFTMarriage & Family Therapist1932673829
  4. Jeffrey Kahn, PHDClinical Psychologist1326119173
  5. Gloria Speicher, PH.DClinical Psychologist1689860587

Verify Marie Catherine Giarratana - Young in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 244171
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the California license search

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88% fewer Medicare Part D claims than the average ambulatory care registered nurse in 2024

58 Medicare Part D claims, against an average of 469 among the 26 providers of this specialty who prescribed in Part D.

  1. Marie Giarratana - Young58
  2. Specialty average469

Most prescribed

  1. Escitalopram Oxalate19 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: $124.99

1 payment: food and beverage; the largest payer was Axsome Therapeutics, Inc. The 26 providers of this specialty with any payment received $1,609.94 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Marie Giarratana - Young$124.99
  2. Specialty average$1,609.94

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Marie Catherine Giarratana - Young among 940 ambulatory care registered nurse records in California

Marie Catherine Giarratana - Young, NP is one of 940 ambulatory care registered nurse records with a practice address in California. 2% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than under 1% of them.

  • NPI issued2007 · under 1% of these records are older, 97% newer
  • In a Medicare fileYes · 2% of these records are
  • In the CMS Doctors and Clinicians fileYes · under 1% of these records are
  • Record last updated2017 · 44% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 163WP2201X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Ambulatory Care Registered Nurse providers in California

There are 940 ambulatory care registered nurse records in California.

The 8 ambulatory care registered nurse records with the nearest ZIP codes

  1. Kate Hullen, R.N.Santa Rosa, CA 954011306113741
  2. Mark GonzalesSanta Rosa, CA 954031518890037
  3. Amy DiazTurlock, CA 953821407330384
  4. Justin LindseyClearlake, CA 954221720909963
  5. Rebecca Garcia, RN CALIFORNIA 951845Modesto, CA 953551033901939
  6. Jessica Lorgerodriguez, RNModesto, CA 953551376437392
  7. Irene Miranda-Henson, RNMerced, CA 953411700060324
  8. Don Dee Cinco, REGISTERED NURSEMerced, CA 953401801632773

Common questions

What is Marie Catherine Giarratana - Young, NP's NPI number?

Marie Catherine Giarratana - Young, NP's National Provider Identifier (NPI) is 1669682787, issued on May 24, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Marie Catherine Giarratana - Young, NP located?

The NPPES record lists a practice address at 509 7TH St, Santa Rosa, CA, 95401. Phone: (415) 289-6655. Providers update this record themselves, so call before visiting.

How can I verify Marie Catherine Giarratana - Young, NP's license?

NPPES lists California license number 244171, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Marie Catherine Giarratana - Young, NP prescribe under Medicare Part D?

In 2024, Marie Catherine Giarratana - Young, NP had 58 Medicare Part D claims; the average among ambulatory care registered nurse prescribers was 469. 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.