Mark Krel, D.O.
Neurological Surgery Physician · Palo Alto, CA
Mark Krel, D.O. is a neurological surgery physician with a practice address in Palo Alto, California, and NPI 1326450685, issued on May 21, 2014. Check the license (California 20A14234, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Mark Krel
- Credential
- D.O.
- Primary taxonomy
- Neurological Surgery Physician 207T00000X
- License number
- 20A14234 CA
Self-reported in NPPES; status is on the state search - Practice location
- 213 Quarry RD, Palo Alto, CA 94304
- Phone
- (818) 421-0130
- Enumerated
- May 21, 2014
- Record last updated
- May 26, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20210615000724); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest neurological surgery physician records → All 929 in California → Look up another NPI →
Also registered at 213 Quarry RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Syed Uzair Ahmed, MDNeurological Surgery Physician1386279818
- Mohammed Alhaidar, MBBSNeurology Physician1811420276
- Cavan Breland, MDStudent in an Organized Health Care Education/Training Program1285375261
- Claire Sunha Choi, MDStudent in an Organized Health Care Education/Training Program1902594930
- Johnny Dang, MDStudent in an Organized Health Care Education/Training Program1467192260
- Cory DodsonStudent in an Organized Health Care Education/Training Program1376283184
Verify Mark Krel in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A14234Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average neurological surgery physician in 2024
15 Medicare Part D claims for 12 beneficiaries, against an average of 172 among the 4,378 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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): 84 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $3,558.99
76 payments; by number, the most common kind was food and beverage; the largest payer was Boston Scientific Corporation. The 5,377 providers of this specialty with any payment received $14,925.58 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Community Health PartnersFresno, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark Krel among 929 neurological surgery physician records in California
Mark Krel, D.O. is one of 929 neurological surgery physician records with a practice address in California. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 76% of them.
- NPI issued2014 · 76% of these records are older, 20% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2014 · median 2005 among the 612 with a school on file
- Record last updated2021 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207T00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurological Surgery Physician providers in California
There are 929 neurological surgery physician records in California.
All 929 in California → Every provider in Palo Alto → Neurological Surgery Physician nationwide →
The 8 neurological surgery physician records with the nearest ZIP codes
- Mark Bigder, M.D.Palo Alto, CA 943041306347679
- Tim Darsaut, M.D., MSC., FRCS(C)Palo Alto, CA 943041063690808
- Linden Fornoff, M.D.Palo Alto, CA 943041083974422
- Ciara Harraher, MDPalo Alto, CA 943041336469659
- Natalie Limoges, DOPalo Alto, CA 943041063801207
- Cormac Maher, MDPalo Alto, CA 943041043229073
- Harold Phillips, MDPalo Alto, CA 943041356720098
- Laura Prolo, MD, PHDPalo Alto, CA 943041831455781
Common questions
What is Mark Krel, D.O.'s NPI number?
Mark Krel, D.O.'s National Provider Identifier (NPI) is 1326450685, issued on May 21, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Mark Krel, D.O. located?
The NPPES record lists a practice address at 213 Quarry RD, Palo Alto, CA, 94304. Phone: (818) 421-0130. Providers update this record themselves, so call before visiting.
How can I verify Mark Krel, D.O.'s license?
NPPES lists California license number 20A14234, 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 Mark Krel, D.O. prescribe under Medicare Part D?
In 2024, Mark Krel, D.O. had 15 Medicare Part D claims for 12 beneficiaries; the average among neurological surgery physician prescribers was 172. Part D covers Medicare prescriptions only.
What is Mark Krel, D.O.'s MIPS final score?
The 2023 MIPS final score is 84 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.