NPPES file of Aug 9, 2026

Eric J. Jacobsen, M.D.

Emergency Medicine Physician · San Luis Obispo, CA

Eric J. Jacobsen, M.D. is an emergency medicine physician with a practice address in San Luis Obispo, California, and NPI 1568405603, issued on Jun 14, 2006. Check the license (California A63033, 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
1568405603
Name
Eric J. Jacobsen
Credential
M.D.
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
A63033 CA
Self-reported in NPPES; status is on the state search
Practice location
1911 Johnson Ave, San Luis Obispo, CA 93401
Phone
(805) 543-5353
Enumerated
Jun 14, 2006
Record last updated
May 15, 2008 (not updated in 18 years: call before relying on the address or phone)
Medicaid ID
00A630330 CA
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 1911 Johnson Ave

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

  1. Lisa Benepe, MDEmergency Medicine Physician1699234542
  2. Cristina Diederich, PHARM. D.Pharmacist1093002164
  3. Peter Dornhofer, M.D.Emergency Medicine Physician1811944010
  4. Glenn Engelman, D.O.Anesthesiology Physician1417307745
  5. Jessi Hill, DOEmergency Medicine Physician1700414661
  6. Sundarampillai Jeyanandarajan, M.D.Anesthesiology Physician1326034372

Verify Eric J. Jacobsen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A63033
    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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78% more Medicare Part D claims than the average emergency medicine physician in 2024

403 Medicare Part D claims for 270 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 68 claims were for opioids.

  1. Eric Jacobsen403
  2. Specialty average226

Most prescribed

  1. Cefuroxime42 claims
  2. Hydrocodone-Acetaminophen42 claims
  3. Cephalexin26 claims
  4. Ondansetron Odt25 claims
  5. Doxycycline Hyclate24 claims
  6. Sulfamethoxazole-Trimethoprim22 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).

Eric J. Jacobsen among 7,751 emergency medicine physician records in California

Eric J. Jacobsen, 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 2006, is newer than 4% of them.

  • NPI issued2006 · 4% of these records are older, 60% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileNo · 59% of these records are
  • Record last updated2008 · 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).

Emergency Medicine Physician providers in California

There are 7,751 emergency medicine physician records in California.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Lisa Benepe, MDSan Luis Obispo, CA 934011699234542
  2. Daniel Culhane, M.D.San Luis Obispo, CA 934011992737282
  3. Peter Dornhofer, M.D.San Luis Obispo, CA 934011811944010
  4. Mark Eckert, MDSan Luis Obispo, CA 934011568410173
  5. Eric Greenberg, M.D.San Luis Obispo, CA 934011871537589
  6. Jessi Hill, DOSan Luis Obispo, CA 934011700414661
  7. Lucas Karaelias, M.D.San Luis Obispo, CA 934011932363215
  8. Heather Kirschner, M.D.San Luis Obispo, CA 934011386687424

Common questions

What is Eric J. Jacobsen, M.D.'s NPI number?

Eric J. Jacobsen, M.D.'s National Provider Identifier (NPI) is 1568405603, issued on Jun 14, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Eric J. Jacobsen, M.D. located?

The NPPES record lists a practice address at 1911 Johnson Ave, San Luis Obispo, CA, 93401. Phone: (805) 543-5353. Providers update this record themselves, so call before visiting.

How can I verify Eric J. Jacobsen, M.D.'s license?

NPPES lists California license number A63033, 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 Eric J. Jacobsen, M.D. prescribe under Medicare Part D?

In 2024, Eric J. Jacobsen, M.D. had 403 Medicare Part D claims for 270 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.

What is Eric J. Jacobsen, M.D.'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.