NPPES file of Aug 9, 2026

Natalie Gray Kornbluth, NP

Acute Care Nurse Practitioner · Mountain View, CA

Natalie Gray Kornbluth, NP is an acute care nurse practitioner with a practice address in Mountain View, California, and NPI 1902435431, issued on Apr 6, 2020. Check the license (California 95012402, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1902435431
Name
Natalie Gray Kornbluth
Credential
NP
Primary taxonomy
Acute Care Nurse Practitioner 363LA2100X
License number
95012402 CA
Self-reported in NPPES; status is on the state search
Practice location
701 E EL Camino Real, Mountain View, CA 94040
Phone
(650) 934-7808
Enumerated
Apr 6, 2020
Record last updated
Aug 27, 2024
Medicare enrollment
Enrolled (PECOS I20220203000695); accepts Medicare assignment
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 701 E EL Camino Real

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

  1. Aya Abou-Nasr, MDAnesthesiology Physician1982191672
  2. Jaimie Abraham, AGPCNP-BCFamily Nurse Practitioner1245757699
  3. Brooke Abrantes, PA-CSurgical Physician Assistant1316771298
  4. Faud Abuabara, M.D.MOHS-Micrographic Surgery Physician1164472890
  5. Felix Adler, M.D.Diagnostic Radiology Physician1801069729
  6. Olga Afanasiev, MD, PHDDermatology Physician1669869384

Verify Natalie Gray Kornbluth 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 95012402
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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89% fewer Medicare Part D claims than the average acute care nurse practitioner in 2024

68 Medicare Part D claims for 51 beneficiaries, against an average of 594 among the 13,133 providers of this specialty who prescribed in Part D.

  1. Natalie Kornbluth68
  2. Specialty average594

Most prescribed

  1. Warfarin Sodium54 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 82.4 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score84.6
  2. Costout of 100 · 30%30.8
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through 3 group practices

  1. Cottage Clinical AssociatesSanta Barbara, CA
  2. Cottage Medical FoundationGoleta, CA
  3. Sutter Bay Medical FoundationLos Altos, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Natalie Gray Kornbluth among 1,810 acute care nurse practitioner records in California

Natalie Gray Kornbluth, NP is one of 1,810 acute care nurse practitioner records with a practice address in California. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 56% of them.

  • NPI issued2020 · 56% of these records are older, 39% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 55% of these records are
  • Graduated2019 · median 2018 among the 993 with a school on file
  • Record last updated2024 · 42% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2100X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Acute Care Nurse Practitioner providers in California

There are 1,810 acute care nurse practitioner records in California.

The 8 acute care nurse practitioner records with the nearest ZIP codes

  1. Kaneesia Chu, AG-ACNPMountain View, CA 940401659224905
  2. Jessica Grillo, ACNPC-AGMountain View, CA 940401316483431
  3. Kimala Moseby-Fowler, AG-ACNPMountain View, CA 940401194205823
  4. Michael San Juan, APRNMountain View, CA 940401023819760
  5. Nancy Tian, FNPMillbrae, CA 940301568861342
  6. Angela Vega, NPMenlo Park, CA 940251538400361
  7. Glenn Bantigue, NPLos Altos, CA 940221689504318
  8. Virginia Warden, MS RN NPWoodside, CA 940621851704647

Common questions

What is Natalie Gray Kornbluth, NP's NPI number?

Natalie Gray Kornbluth, NP's National Provider Identifier (NPI) is 1902435431, issued on Apr 6, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Natalie Gray Kornbluth, NP located?

The NPPES record lists a practice address at 701 E EL Camino Real, Mountain View, CA, 94040. Phone: (650) 934-7808. Providers update this record themselves, so call before visiting.

How can I verify Natalie Gray Kornbluth, NP's license?

NPPES lists California license number 95012402, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Natalie Gray Kornbluth, NP prescribe under Medicare Part D?

In 2024, Natalie Gray Kornbluth, NP had 68 Medicare Part D claims for 51 beneficiaries; the average among acute care nurse practitioner prescribers was 594. Part D covers Medicare prescriptions only.

What is Natalie Gray Kornbluth, NP's MIPS final score?

The 2023 MIPS final score is 82.4 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.