NPPES file of Aug 9, 2026

Isaac Grabiel, D.O.

Emergency Medicine Physician · Bakersfield, CA

Isaac Grabiel, D.O. is an emergency medicine physician with a practice address in Bakersfield, California, and NPI 1205282258, issued on May 9, 2016. Check the license 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
1205282258
Name
Isaac Grabiel
Credential
D.O.
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
12159 SD
Self-reported in NPPES; status is on the state search
Practice location
1700 Mount Vernon Ave, Bakersfield, CA 93306
Phone
(661) 326-2000
Enumerated
May 9, 2016
Record last updated
Feb 25, 2025
Medicare enrollment
Enrolled (PECOS I20260526001690); may accept Medicare assignment
Medical or professional school
West Virginia School Of Osteopathic Medicine, 2016
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 1700 Mount Vernon Ave

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

  1. Pernian AbadiPrimary Care Nurse Practitioner1801760814
  2. Mariam AbdelmissehInternal Medicine Physician1902250574
  3. Arian AbdiStudent in an Organized Health Care Education/Training Program1306538087
  4. Ayham Aboeed, M.D.Critical Care Medicine (Internal Medicine) Physician1093969750
  5. Jesslin Abraham, MDStudent in an Organized Health Care Education/Training Program1497333751
  6. Quinn Adams, MDStudent in an Organized Health Care Education/Training Program1790627537

Verify Isaac Grabiel in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of CaliforniaCheck 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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50% fewer Medicare Part D claims than the average emergency medicine physician in 2024

113 Medicare Part D claims for 66 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.

  1. Isaac Grabiel113
  2. Specialty average226

Most prescribed

  1. Prednisone18 claims
  2. Cephalexin15 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): 82.3 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 score88.8
  2. Costout of 100 · 30%53.0
  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).

Isaac Grabiel among 7,751 emergency medicine physician records in California

Isaac Grabiel, D.O. 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 fileYes · 59% of these records are
  • Graduated2016 · median 2011 among the 4,560 with a school on file
  • Record last updated2025 · 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).

116 emergency medicine physician records list a practice address in Bakersfield

They are 116 of the 11,539 NPPES records with a practice address in Bakersfield, and 7,751 emergency medicine physician records in California.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Kieron Barkataki, DOBakersfield, CA 933061619265204
  2. Ireneo Catoera, MDBakersfield, CA 933061639301849
  3. Ian Cook, M.D.Bakersfield, CA 933061659607315
  4. Lev Libet, M.D.Bakersfield, CA 933061063796944
  5. Timothy Lin, DOBakersfield, CA 933061801101365
  6. Anh Vu Nguyen, MDBakersfield, CA 933061801043658
  7. Rachel O'Donnell, MDBakersfield, CA 933061982832036
  8. Jordan Roberts, D.O.Bakersfield, CA 933061164780151

Common questions

What is Isaac Grabiel, D.O.'s NPI number?

Isaac Grabiel, D.O.'s National Provider Identifier (NPI) is 1205282258, issued on May 9, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Isaac Grabiel, D.O. located?

The NPPES record lists a practice address at 1700 Mount Vernon Ave, Bakersfield, CA, 93306. Phone: (661) 326-2000. Providers update this record themselves, so call before visiting.

How can I verify Isaac Grabiel, D.O.'s license?

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 Isaac Grabiel, D.O. prescribe under Medicare Part D?

In 2024, Isaac Grabiel, D.O. had 113 Medicare Part D claims for 66 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.

What is Isaac Grabiel, D.O.'s MIPS final score?

The 2023 MIPS final score is 82.3 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.