Mark S. Gerber, M.D.
Neurological Surgery Physician · Honolulu, HI
Mark S. Gerber, M.D. is a neurological surgery physician with a practice address in Honolulu, Hawaii, and NPI 1427153634, issued on Sep 13, 2006. Check the license (Hawaii MD-12451, as entered in NPPES) on the Hawaii Medical Board; the Medicare figures below come from public CMS files.
- Name
- Mark S. Gerber
- Credential
- M.D.
- Primary taxonomy
- Neurological Surgery Physician 207T00000X
- License number
- MD-12451 HI
Self-reported in NPPES; status is on the state search - Practice location
- 888 S King St, Honolulu, HI 96813
- Phone
- (808) 522-4476
- Enumerated
- Sep 13, 2006
- Record last updated
- Sep 9, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (808) 522-4377
- Medicare enrollment
- Enrolled (PECOS I20100520001020); accepts Medicare assignment
- Medical or professional school
- University Of Florida College Of Medicine, 1996
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest neurological surgery physician records → All 19 in Hawaii → Look up another NPI →
Also registered at 888 S King St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Cedric Akau, M.D.Physical Medicine & Rehabilitation Physician1437254034
- Christopher Apostolides, PAPhysician Assistant1083655153
- Stephen Arnold, M.D.Internal Medicine Physician1598859928
- Swaty Arora, MDHematology & Oncology Physician1194037432
- Whitney Reigh Asao, OTD, OTR/LOccupational Therapist1568082766
Verify Mark S. Gerber in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersHawaii Medical Board
Search for license MD-12451Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average neurological surgery physician in 2024
20 Medicare Part D claims for 14 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): 86.2 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: $28.59
1 payment: food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. 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.
2 hospital affiliations
- Straub Clinic And HospitalLihue, HI · Acute Care Hospitals4 of 5 stars
- Kau HospitalHilo, HI · Critical Access Hospitals
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Mark S. Gerber among 19 neurological surgery physician records in Hawaii
Mark S. Gerber, M.D. is one of 19 neurological surgery physician records with a practice address in Hawaii. 79% 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 5% of them.
- NPI issued2006 · 5% of these records are older, 53% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 79% of these records are
- Graduated1996 · median 2004 among the 15 with a school on file
- Record last updated2010 · 53% 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 Hawaii 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 Hawaii
There are 19 neurological surgery physician records in Hawaii.
All 19 in Hawaii → Every provider in Honolulu → Neurological Surgery Physician nationwide →
The 8 neurological surgery physician records with the nearest ZIP codes
- David Dadey, MD, PHDHonolulu, HI 968131609309731
- Daniel Donovan, MDHonolulu, HI 968131518980622
- Ferdinand Hui, MDHonolulu, HI 968131043239551
- Calvin Kam, M.D.Honolulu, HI 968131306874094
- Michon Morita, MDHonolulu, HI 968131083644975
- Yi Zhang, MDHonolulu, HI 968131083666978
- Reid HoshideHonolulu, HI 968171003179052
- Eric Oshiro, M.D.Honolulu, HI 968171558334185
Common questions
What is Mark S. Gerber, M.D.'s NPI number?
Mark S. Gerber, M.D.'s National Provider Identifier (NPI) is 1427153634, issued on Sep 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark S. Gerber, M.D. located?
The NPPES record lists a practice address at 888 S King St, Honolulu, HI, 96813. Phone: (808) 522-4476. Providers update this record themselves, so call before visiting.
How can I verify Mark S. Gerber, M.D.'s license?
NPPES lists Hawaii license number MD-12451, as entered by the provider. Search the Hawaii Medical Board at https://cca.hawaii.gov/pvl/boards/medical/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mark S. Gerber, M.D. prescribe under Medicare Part D?
In 2024, Mark S. Gerber, M.D. had 20 Medicare Part D claims for 14 beneficiaries; the average among neurological surgery physician prescribers was 172. Part D covers Medicare prescriptions only.
What is Mark S. Gerber, M.D.'s MIPS final score?
The 2023 MIPS final score is 86.2 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.