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Maxwell B. Merkow, MD

NPI 1194951723ActiveIndividual· Neurological Surgery· Walnut Creek, CA

Neurological Surgery (MD) in Walnut Creek, California, trained at Columbia University College of Physicians and Surgeons (class of 2009). Mostly services rather than prescriptions: Medicare paid $227,813 for 195 patients in 2024, with only 12 Part D claims. Medtronic, Inc. was the largest of 3 companies reporting payments in 2025, $13,414 in all, mostly consulting fees.

Overview

NPI1194951723
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedJun 10, 2009
Last updated in NPPESFeb 26, 2025
Certified by providerFeb 26, 2025

Specialties and licenses

TaxonomyCodeLicenseState
Neurological Surgery Primary207T00000XA147272CA

About license numbers in NPPES

Exclusion screening

ListResultDetails
HHS-OIG LEIE · Oct 9, 2026No matchChecked by NPI and by name + state
North Carolina Medicaid · Nov 10, 2026No match—
New York OMIG · Nov 10, 2026No match—
Ohio Medicaid · Nov 10, 2026No match—
Pennsylvania Medicheck · Nov 10, 2026No match—
Washington HCA · Nov 10, 2026No match—

Official OIG search · How matching works ·Bulk check a roster

Medicare

Enrollment (PECOS)Enrolled Practitioner - Neurosurgery (CA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients195
Services billed534 across 56 procedure codes
Paid by Medicare$227,813

Part D prescriptions in 2024

Prescriptions (claims)12 · 12 30-day fills
Total drug cost$104.38
Generic share100% of claims

Medicare sources and data years

Education and affiliations

Medical schoolColumbia University College of Physicians and Surgeons
Graduation year2009
Medicare specialtyNeurosurgery
TelehealthOffers telehealth

Medical groups

Hospital affiliations

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$13,414 · 17 payments from 3 companies
  • 2024$8,913 · 9 payments from 2 companies

Top paying companies in 2025

CompanyAmountPayments
Medtronic, Inc.$13,31315
Alphatec Spine, Inc$80.901
Abbott Laboratories$19.801

What the 2025 payments were for

  • Consulting Fee$9,660 · 1 payment
  • Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$2,500 · 1 payment
  • Travel and Lodging$1,046 · 7 payments
  • Food and Beverage$207.82 · 8 payments

Receiving payments does not imply wrongdoing. What Open Payments covers ·original records

Other Neurological Surgery providers in Walnut Creek

All Neurological Surgery providers in California →