NPPES file of Aug 9, 2026

Penelope Grace Kornbluth, R.N, NP, MSN

Adult Health Nurse Practitioner · Los Angeles, CA

Penelope Grace Kornbluth, R.N, NP, MSN is an adult health nurse practitioner with a practice address in Los Angeles, California, and NPI 1740485903, issued on Jun 18, 2007. Check the license (California 16805, 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
1740485903
Name
Penelope Grace Kornbluth
Credential
R.N, NP, MSN
Primary taxonomy
Adult Health Nurse Practitioner 363LA2200X
License number
16805 CA
Self-reported in NPPES; status is on the state search
Practice location
8631 W 3RD St, Los Angeles, CA 90048
Phone
(310) 423-0840
Enumerated
Jun 18, 2007
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20090825000227); 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 8631 W 3RD St

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

  1. Kenneth Adashek, M.D.Surgery Physician1821008798
  2. David Anderson, M.D.Family Medicine Physician1134154412
  3. Parvaneh Bahmani, M.D.Nephrology Physician1609887678
  4. Paula Bailey-Walton, M.D.Internal Medicine Physician1174646590
  5. Maxine Baum, M.D.Allergy Physician1568689594
  6. Mavis Billips, M.D.Specialist1902905664

Verify Penelope Grace 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 16805
    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 adult health nurse practitioner in 2024

141 Medicare Part D claims for 53 beneficiaries, against an average of 1,280 among the 16,937 providers of this specialty who prescribed in Part D.

  1. Penelope Kornbluth141
  2. Specialty average1,280

Most prescribed

  1. Clopidogrel47 claims
  2. Tizanidine Hcl27 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): 87.7 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 score80.9
  2. Costout of 100 · 30%49.4
  3. Promoting interoperabilityout of 100 · 25%99.0
  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).

One hospital affiliation

  1. Cedars-Sinai Medical CenterWest Hollywood, CA · Acute Care Hospitals5 of 5 stars

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Penelope Grace Kornbluth among 1,405 adult health nurse practitioner records in California

Penelope Grace Kornbluth, R.N, NP, MSN is one of 1,405 adult health nurse practitioner records with a practice address in California. 56% 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 18% of them.

  • NPI issued2007 · 18% of these records are older, 70% newer
  • In a Medicare fileYes · 56% of these records are
  • In the CMS Doctors and Clinicians fileYes · 31% of these records are
  • Graduated2006 · median 2013 among the 441 with a school on file
  • Record last updated2007 · 62% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2200X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Adult Health Nurse Practitioner providers in California

There are 1,405 adult health nurse practitioner records in California.

The 8 adult health nurse practitioner records with the nearest ZIP codes

  1. Marie Acorda Reece, NPLos Angeles, CA 900481528331485
  2. Traci Babcock, NPWest Hollywood, CA 900481790071587
  3. Amanda Crick, ANP-BCWest Hollywood, CA 900481568866218
  4. Vesna Grubic, RN, MSN, ANP, MPHLos Angeles, CA 900481104196203
  5. Tricia Hoang, NPLos Angeles, CA 900481306122288
  6. Suzanne Mitchell-Perez, NPWest Hollywood, CA 900481205282928
  7. Olga Slavinskaya, NPLos Angeles, CA 900481013247063
  8. Hannah Tualla, NP, MSN, OCNLos Angeles, CA 900481376873224

Common questions

What is Penelope Grace Kornbluth, R.N, NP, MSN's NPI number?

Penelope Grace Kornbluth, R.N, NP, MSN's National Provider Identifier (NPI) is 1740485903, issued on Jun 18, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Penelope Grace Kornbluth, R.N, NP, MSN located?

The NPPES record lists a practice address at 8631 W 3RD St, Los Angeles, CA, 90048. Phone: (310) 423-0840. Providers update this record themselves, so call before visiting.

How can I verify Penelope Grace Kornbluth, R.N, NP, MSN's license?

NPPES lists California license number 16805, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Penelope Grace Kornbluth, R.N, NP, MSN prescribe under Medicare Part D?

In 2024, Penelope Grace Kornbluth, R.N, NP, MSN had 141 Medicare Part D claims for 53 beneficiaries; the average among adult health nurse practitioner prescribers was 1,280. Part D covers Medicare prescriptions only.

What is Penelope Grace Kornbluth, R.N, NP, MSN's MIPS final score?

The 2023 MIPS final score is 87.7 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.