NPPES file of Aug 9, 2026

Margaret Carter

Otolaryngology Physician · San Jose, CA

Margaret Carter is an otolaryngology physician with a practice address in San Jose, California, and NPI 1790009215, issued on Mar 26, 2010. Check the license (California A136997, 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
1790009215
Name
Margaret Carter
Primary taxonomy
Otolaryngology Physician 207Y00000X
License number
A136997 CA
Self-reported in NPPES; status is on the state search
Practice location
6060 Hellyer Ave, San Jose, CA 95138
Phone
(408) 227-6300
Enumerated
Mar 26, 2010
Record last updated
Jul 21, 2015 (not updated in 11 years: call before relying on the address or phone)
Fax
(408) 227-6314
Medicare enrollment
Enrolled (PECOS I20150803001993); accepts Medicare assignment
Medical or professional school
Loyola University Of Chicago, Stritch School Of Medicine, 2010
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 6060 Hellyer Ave

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

  1. Brandon Cyrus, AU.DAudiologist1841734431
  2. Sarah DebsOtolaryngology Physician1891377537
  3. Jennifer Tucker, AUDAudiologist1417145343
  4. Nicole Ulen, AU.D.Audiologist1467689745

Verify Margaret Carter in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A136997
    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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3% fewer Medicare Part D claims than the average otolaryngology physician in 2024

525 Medicare Part D claims for 196 beneficiaries, against an average of 541 among the 8,339 providers of this specialty who prescribed in Part D. 13 claims were for opioids.

  1. Margaret Carter525
  2. Specialty average541

Most prescribed

  1. Mupirocin104 claims
  2. Montelukast Sodium76 claims
  3. Ipratropium Bromide66 claims
  4. Azelastine Hcl43 claims
  5. Famotidine25 claims
  6. Omeprazole24 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 MIPS final score for 2023 (Medicare payment program): 87.3 of 100

The Merit-based Incentive Payment System score is reported for this clinician. 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 score83.0
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%85.9
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $314.23

3 payments; by number, the most common kind was food and beverage; the largest payer was Neurent Medical Limited. The 6,429 providers of this specialty with any payment received $1,922.50 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Margaret Carter$314.23
  2. Specialty average$1,922.50

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. Bass Medical GroupLos Gatos, CA

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

Margaret Carter among 1,212 otolaryngology physician records in California

Margaret Carter is one of 1,212 otolaryngology physician records with a practice address in California. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 69% of them.

  • NPI issued2010 · 69% of these records are older, 29% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 67% of these records are
  • Graduated2010 · median 2004 among the 818 with a school on file
  • Record last updated2015 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Y00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Otolaryngology Physician providers in California

There are 1,212 otolaryngology physician records in California.

The 8 otolaryngology physician records with the nearest ZIP codes

  1. Sarah DebsSan Jose, CA 951381891377537
  2. Misha Amoils, MDSan Jose, CA 951281902162563
  3. Harish Dharmarajan, M.D.San Jose, CA 951281457849671
  4. Michelle Inserra, MDSan Jose, CA 951281356428205
  5. Mary Lalakea, MDSan Jose, CA 951281306801469
  6. Micah Saste, MDSan Jose, CA 951281689862401
  7. Kimberly Shepard, MDSan Jose, CA 951281720183395
  8. John Shinn, MDSan Jose, CA 951281619072295

Common questions

What is Margaret Carter's NPI number?

Margaret Carter's National Provider Identifier (NPI) is 1790009215, issued on Mar 26, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Margaret Carter located?

The NPPES record lists a practice address at 6060 Hellyer Ave, San Jose, CA, 95138. Phone: (408) 227-6300. Providers update this record themselves, so call before visiting.

How can I verify Margaret Carter's license?

NPPES lists California license number A136997, 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 Margaret Carter prescribe under Medicare Part D?

In 2024, Margaret Carter had 525 Medicare Part D claims for 196 beneficiaries; the average among otolaryngology physician prescribers was 541. Part D covers Medicare prescriptions only.

What is Margaret Carter's MIPS final score?

The 2023 MIPS final score is 87.3 of 100. 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.