NPPES file of Aug 9, 2026

Vijay Shanmugam, M.D.

Neurology Physician · Lancaster, CA

Vijay Shanmugam, M.D. is a neurology physician with a practice address in Lancaster, California, and NPI 1174576839, issued on May 17, 2006. Check the license (California A66787, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1174576839
Name
Vijay Shanmugam
Credential
M.D.
Primary taxonomy
Neurology Physician 2084N0400X
License number
A66787 CA
Self-reported in NPPES; status is on the state search
Practice location
44215 15TH St W, Lancaster, CA 93534
Phone
(661) 726-9220
Enumerated
May 17, 2006
Record last updated
Mar 28, 2011 (not updated in 15 years: call before relying on the address or phone)
Fax
(661) 726-0240
Medicaid ID
00A667870 CA
Medicare enrollment
Enrolled (PECOS I20080303000314); may accept 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 44215 15TH St W

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

  1. Patalappa Chandrashekar, M.D.Anesthesiology Physician1942214952
  2. William Copeland, M.D.Gynecology Physician1942200506
  3. Satya Dandamudi, M.D.Internal Medicine Physician1245312107
  4. Alex Danso, MDObstetrics & Gynecology Physician1972611655
  5. Jeffrey Gunter, MDDermatology Physician1588601702
  6. Richard Hahn, M.D.Surgery Physician1508927997

Verify Vijay Shanmugam in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A66787
    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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73% more Medicare Part D claims than the average neurology physician in 2024

2,372 Medicare Part D claims for 341 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.

  1. Vijay Shanmugam2,372
  2. Specialty average1,370

Most prescribed

  1. Levetiracetam238 claims
  2. Carbidopa-Levodopa163 claims
  3. Gabapentin162 claims
  4. Memantine Hcl128 claims
  5. Topiramate113 claims
  6. Donepezil Hcl99 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): 96.3 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 score74.4
  2. Costnot scored (reweighted)
  3. Promoting interoperabilitynot scored (reweighted)
  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).

Industry payments in 2024: $97.74

4 payments; by number, the most common kind was food and beverage; the largest payer was Stryker Corporation. The 10,858 providers of this specialty with any payment received $8,318.07 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Vijay Shanmugam$97.74
  2. Specialty average$8,318.07

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

  1. Vijay Shanmugam M D IncLancaster, CA

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

Vijay Shanmugam among 2,339 neurology physician records in California

Vijay Shanmugam, M.D. is one of 2,339 neurology 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 2006, is newer than 4% of them.

  • NPI issued2006 · 4% of these records are older, 59% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 70% of these records are
  • Graduated1976 · median 2006 among the 1,628 with a school on file
  • Record last updated2011 · 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 2084N0400X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Neurology Physician providers in California

There are 2,339 neurology physician records in California.

The 8 neurology physician records with the nearest ZIP codes

  1. Tik Lung Dion Fung, M.D.Lancaster, CA 935341710167994
  2. Lingaiah Janumpally, MDLancaster, CA 935341003892316
  3. Shirisha Janumpally, M.D.Lancaster, CA 935341215128020
  4. Kamran Kabolizadeh, MDLancaster, CA 935341184831273
  5. Gautam Kareti, MDLancaster, CA 935341134326697
  6. Yu-En Lee, MDLancaster, CA 935341982682670
  7. Albert Will, M.D.Bishop, CA 935141497801112
  8. Amr Al-Hariri, M.D.Templeton, CA 934651497862254

Common questions

What is Vijay Shanmugam, M.D.'s NPI number?

Vijay Shanmugam, M.D.'s National Provider Identifier (NPI) is 1174576839, issued on May 17, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Vijay Shanmugam, M.D. located?

The NPPES record lists a practice address at 44215 15TH St W, Lancaster, CA, 93534. Phone: (661) 726-9220. Providers update this record themselves, so call before visiting.

How can I verify Vijay Shanmugam, M.D.'s license?

NPPES lists California license number A66787, 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 Vijay Shanmugam, M.D. prescribe under Medicare Part D?

In 2024, Vijay Shanmugam, M.D. had 2,372 Medicare Part D claims for 341 beneficiaries; the average among neurology physician prescribers was 1,370. Part D covers Medicare prescriptions only.

What is Vijay Shanmugam, M.D.'s MIPS final score?

The 2023 MIPS final score is 96.3 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.