NPPES file of Aug 9, 2026

Karam Paul Asmaro, M.D.

Neurological Surgery Physician · Stanford, CA

Karam Paul Asmaro, M.D. is a neurological surgery physician with a practice address in Stanford, California, and NPI 1659799138, issued on Apr 2, 2014. Check the license (California A171061, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1659799138
Name
Karam Paul Asmaro
Credential
M.D.
Primary taxonomy
Neurological Surgery Physician 207T00000X
License numbers
A171061 CA
4301501939 MI
Self-reported in NPPES; status is on the state search
Practice location
300 Pasteur Dr, Stanford, CA 94305
Phone
(650) 723-4000
Enumerated
Apr 2, 2014
Record last updated
Jun 10, 2022
Medicare enrollment
Enrolled (PECOS I20220615002250); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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 300 Pasteur Dr

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

  1. Cooper Aakhus, MDEmergency Medicine Physician1194351007
  2. Oliver Aalami, M.D.Vascular Surgery Physician1225229024
  3. Alistair Aaronson, MDInternal Medicine Physician1457628760
  4. Sumaira Aasi, MDMOHS-Micrographic Surgery Physician1780675181
  5. Fahim Abbasi, M.D.Internal Medicine Physician1841484037
  6. Mohamad Abbass, MDNeurological Surgery Physician1679492151

Verify Karam Paul Asmaro in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A171061
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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56% fewer Medicare Part D claims than the average neurological surgery physician in 2024

76 Medicare Part D claims for 33 beneficiaries, against an average of 172 among the 4,378 providers of this specialty who prescribed in Part D. 14 claims were for opioids.

  1. Karam Asmaro76
  2. Specialty average172

Most prescribed

  1. Gabapentin12 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.

Industry payments in 2024: $680.99

6 payments; by number, the most common kind was food and beverage; the largest payer was Globus Medical, Inc. 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.

  1. Karam Asmaro$681
  2. Specialty average$14,926

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 2 group practices

  1. Ascension Medical Group PromedKalamazoo, MI
  2. Michigan Healthcare Professionals PCFarmington Hills, MI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Karam Paul Asmaro among 929 neurological surgery physician records in California

Karam Paul Asmaro, M.D. 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 updated2022 · 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).

89 neurological surgery physician records list a practice address in Stanford

They are 89 of the 5,606 NPPES records with a practice address in Stanford, and 929 neurological surgery physician records in California.

The 8 neurological surgery physician records with the nearest ZIP codes

  1. John Adler, MDStanford, CA 943051780736199
  2. Steven Chang, MDStanford, CA 943051437214046
  3. Atman Desai, MDPalo Alto, CA 943051356444822
  4. Robert Dodd, MD, PHDStanford, CA 943051134276777
  5. Gerald Grant, M.DStanford, CA 943051689646796
  6. Odette Harris, MDStanford, CA 943051144237009
  7. Syed Karim, MD.Stanford, CA 943051619991023
  8. Robert Lieberson, MDStanford, CA 943051598863326

Common questions

What is Karam Paul Asmaro, M.D.'s NPI number?

Karam Paul Asmaro, M.D.'s National Provider Identifier (NPI) is 1659799138, issued on Apr 2, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Karam Paul Asmaro, M.D. located?

The NPPES record lists a practice address at 300 Pasteur Dr, Stanford, CA, 94305. Phone: (650) 723-4000. Providers update this record themselves, so call before visiting.

How can I verify Karam Paul Asmaro, M.D.'s license?

NPPES lists California license number A171061, 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 Karam Paul Asmaro, M.D. prescribe under Medicare Part D?

In 2024, Karam Paul Asmaro, M.D. had 76 Medicare Part D claims for 33 beneficiaries; the average among neurological surgery physician prescribers was 172. Part D covers Medicare prescriptions only.

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.