Linda Marie Callegari, N.P.
Women's Health Nurse Practitioner · Portola Valley, CA
Linda Marie Callegari, N.P. is a women's health nurse practitioner with a practice address in Portola Valley, California, and NPI 1689945628, issued on Jan 23, 2012. Check the license (California 9147, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Linda Marie Callegari
- Credential
- N.P.
- Primary taxonomy
- Women's Health Nurse Practitioner 363LW0102X
- License number
- 9147 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4370 Alpine RD Ste 104, Portola Valley, CA 94028
- Phone
- (650) 851-6669
- Enumerated
- Jan 23, 2012
- Record last updated
- Nov 30, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (650) 851-9747
- Entity
- Type 1 · individual
8 nearest women's health nurse practitioner records → All 912 in California → Look up another NPI →
Verify Linda Marie Callegari in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 9147Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
24% fewer Medicare Part D claims than the average women's health nurse practitioner in 2024
166 Medicare Part D claims for 53 beneficiaries, against an average of 217 among the 3,809 providers of this specialty who prescribed in Part D. Brand-name drugs were 33% of claims.
Most prescribed
- Estradiol35 claims
- Estradiol (Once Weekly)16 claims
- Yuvafem15 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: $259.40
9 payments; by number, the most common kind was food and beverage; the largest payer was Astellas Pharma US Inc. The 3,574 providers of this specialty with any payment received $426.02 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Linda Marie Callegari among 912 women's health nurse practitioner records in California
Linda Marie Callegari, N.P. is one of 912 women's health nurse practitioner records with a practice address in California. 46% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 54% of them.
- NPI issued2012 · 54% of these records are older, 43% newer
- In a Medicare fileYes · 46% of these records are
- In the CMS Doctors and Clinicians fileNo · 18% of these records are
- Record last updated2015 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LW0102X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1 women's health nurse practitioner record lists a practice address in Portola Valley
They are 1 of the 84 NPPES records with a practice address in Portola Valley, and 912 women's health nurse practitioner records in California.
All 912 in California → Every provider in Portola Valley → Women's Health Nurse Practitioner nationwide →
The 8 women's health nurse practitioner records with the nearest ZIP codes
- Madison Helfer, RNMenlo Park, CA 940251104750082
- Bobbi Holder, W.H.N.P.Menlo Park, CA 940251184774705
- Emily Hong, WHNP, CNMLos Altos Hills, CA 940221245771997
- Marion Mayer, N.P.Los Altos Hills, CA 940221548568728
- Alethea RobbinsLos Altos Hills, CA 940221801345186
- Kendra Roloff, ARNPLos Altos Hills, CA 940221285899138
- Nicole Shin, NPLos Altos Hills, CA 940221649611237
- Angel Smith, APRN, WHNP-BCLos Altos Hills, CA 940221316903453
Common questions
What is Linda Marie Callegari, N.P.'s NPI number?
Linda Marie Callegari, N.P.'s National Provider Identifier (NPI) is 1689945628, issued on Jan 23, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Linda Marie Callegari, N.P. located?
The NPPES record lists a practice address at 4370 Alpine RD Ste 104, Portola Valley, CA, 94028. Phone: (650) 851-6669. Providers update this record themselves, so call before visiting.
How can I verify Linda Marie Callegari, N.P.'s license?
NPPES lists California license number 9147, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Linda Marie Callegari, N.P. prescribe under Medicare Part D?
In 2024, Linda Marie Callegari, N.P. had 166 Medicare Part D claims for 53 beneficiaries; the average among women's health nurse practitioner prescribers was 217. 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.