NPPES file of Aug 9, 2026

Jonathan Todd Engelhardt, MD

Emergency Medicine Physician · Mountain View, CA

Jonathan Todd Engelhardt, MD is an emergency medicine physician with a practice address in Mountain View, California, and NPI 1003897117, issued on Nov 7, 2005. Check the license (California A89837, as entered in NPPES) on the Medical Board of California; 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
1003897117
Name
Jonathan Todd Engelhardt
Credential
MD
Primary taxonomy
Emergency Medicine Physician 207P00000X
License numbers
A89837 CA
32462 AZ
Self-reported in NPPES; status is on the state search
Practice location
2500 Grant RD, Mountain View, CA 94040
Phone
(650) 940-7000
Enumerated
Nov 7, 2005
Record last updated
Sep 30, 2019 (not updated in 7 years: call before relying on the address or phone)
Medicaid ID
884016 AZ
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 2500 Grant RD

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

  1. Yolande AbotchiMedical-Surgical Registered Nurse1306733902
  2. Mohanad AlazzehEmergency Medicine Physician1285253799
  3. Clarence Allegakoen, M.D.Internal Medicine Physician1205909637
  4. Katrina BarnettEmergency Medicine Physician1952314510
  5. Victoria Bartret, M.D.Emergency Medicine Physician1508200890
  6. Philippe Begin, M.D.Allergy & Immunology Physician1386065902

Verify Jonathan Todd Engelhardt in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A89837
    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
Open the California license search

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53% fewer Medicare Part D claims than the average emergency medicine physician in 2024

106 Medicare Part D claims for 72 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.

  1. Jonathan Engelhardt106
  2. Specialty average226

Most prescribed

  1. Famotidine13 claims
  2. Cephalexin12 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): 94.6 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 score76.7
  2. Costout of 100 · 30%97.1
  3. Promoting interoperabilitynot scored (reweighted)
  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).

Jonathan Todd Engelhardt among 7,751 emergency medicine physician records in California

Jonathan Todd Engelhardt, MD 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 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 96% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileNo · 59% of these records are
  • Record last updated2019 · 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).

28 emergency medicine physician records list a practice address in Mountain View

They are 28 of the 2,467 NPPES records with a practice address in Mountain View, and 7,751 emergency medicine physician records in California.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Joan Burg, M.DMountain View, CA 940401962457200
  2. Erik Davenport, M.DMountain View, CA 940401598702714
  3. Dan Fox, M.DMountain View, CA 940401164477428
  4. Alan Gladman, M.DMountain View, CA 940401073568333
  5. Lauren Grossman, MDMountain View, CA 940401891771168
  6. Jonathan Kenyon, M.DMountain View, CA 940401881631406
  7. Gary Klapman, M.DMountain View, CA 940401467407692
  8. Vicki Mazzorana, M.DMountain View, CA 940401609821180

Common questions

What is Jonathan Todd Engelhardt, MD's NPI number?

Jonathan Todd Engelhardt, MD's National Provider Identifier (NPI) is 1003897117, issued on Nov 7, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Jonathan Todd Engelhardt, MD located?

The NPPES record lists a practice address at 2500 Grant RD, Mountain View, CA, 94040. Phone: (650) 940-7000. Providers update this record themselves, so call before visiting.

How can I verify Jonathan Todd Engelhardt, MD's license?

NPPES lists California license number A89837, 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 Jonathan Todd Engelhardt, MD prescribe under Medicare Part D?

In 2024, Jonathan Todd Engelhardt, MD had 106 Medicare Part D claims for 72 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.

What is Jonathan Todd Engelhardt, MD's MIPS final score?

The 2023 MIPS final score is 94.6 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.