Allison Kornblatt, M.D.
Emergency Medicine Physician · National City, CA
Allison Kornblatt, M.D. is an emergency medicine physician with a practice address in National City, California, and NPI 1023471224, issued on Apr 4, 2016. Check the license (California A158412, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Allison Kornblatt
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- A158412 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2400 E 4TH St, National City, CA 91950
- Phone
- (917) 699-6856
- Enumerated
- Apr 4, 2016
- Record last updated
- Nov 19, 2021 (not updated in 5 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Also registered at 2400 E 4TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Stacy Amer-Davis, N.P.Nurse Practitioner1750661641
- Lina Arsulich, NP-CFamily Nurse Practitioner1629854583
- Douglas Ballesteros, MDEmergency Medicine Physician1275572372
- Tanya Bosque, LCSWClinical Social Worker1831761899
- Que Chu, MDPediatrics Physician1750358768
- Andrew Clark, PH.D.Psychologist1629010533
Verify Allison Kornblatt in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A158412Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
74% fewer Medicare Part D claims than the average emergency medicine physician in 2024
59 Medicare Part D claims for 45 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
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 MIPS final score for 2023 (Medicare payment program): 91.3 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Allison Kornblatt among 7,751 emergency medicine physician records in California
Allison Kornblatt, M.D. is one of 7,751 emergency medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 75% of them.
- NPI issued2016 · 75% of these records are older, 22% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 59% of these records are
- Record last updated2021 · 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 207P00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
13 emergency medicine physician records list a practice address in National City
They are 13 of the 749 NPPES records with a practice address in National City, and 7,751 emergency medicine physician records in California.
All 7,751 in California → Every provider in National City → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Douglas Ballesteros, MDNational City, CA 919501275572372
- Anthony Ferkich, M.D.National City, CA 919501043259310
- Lowell Gaspar, M.D.National City, CA 919501336187137
- Nima JalaliNational City, CA 919501144603358
- Paul Manos, D.O.National City, CA 919501245286889
- Jorge Martinez, D.O.National City, CA 919501922216795
- Scott Mataoa, M.D.National City, CA 919501932362340
- Dennis O'Connor, M.D./M.P.H.National City, CA 919501508027863
Common questions
What is Allison Kornblatt, M.D.'s NPI number?
Allison Kornblatt, M.D.'s National Provider Identifier (NPI) is 1023471224, issued on Apr 4, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Allison Kornblatt, M.D. located?
The NPPES record lists a practice address at 2400 E 4TH St, National City, CA, 91950. Phone: (917) 699-6856. Providers update this record themselves, so call before visiting.
How can I verify Allison Kornblatt, M.D.'s license?
NPPES lists California license number A158412, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Allison Kornblatt, M.D. prescribe under Medicare Part D?
In 2024, Allison Kornblatt, M.D. had 59 Medicare Part D claims for 45 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Allison Kornblatt, M.D.'s MIPS final score?
The 2023 MIPS final score is 91.3 of 100. 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.