NPPES file of Aug 9, 2026

Clara Man-Ching Olcott, M.D.

Otolaryngology Physician · Upland, CA

Clara Man-Ching Olcott, M.D. is an otolaryngology physician with a practice address in Upland, California, and NPI 1215291612, issued on Jun 29, 2012. Check the license (California A156211, 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
1215291612
Name
Clara Man-Ching Olcott
Credential
M.D.
Primary taxonomy
Otolaryngology Physician 207Y00000X
License number
A156211 CA
Self-reported in NPPES; status is on the state search
Practice location
1030 E Foothill Blvd Ste 101, Upland, CA 91786
Phone
(909) 981-5859
Enumerated
Jun 29, 2012
Record last updated
Jul 20, 2018 (not updated in 8 years: call before relying on the address or phone)
Fax
(909) 981-8293
Medicare enrollment
Enrolled (PECOS I20180827001254); accepts Medicare assignment
Medical or professional school
University Of New Mexico School Of Medicine, 2012
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 1030 E Foothill Blvd Ste 101

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

  1. Ae Lim Joo, NPFamily Nurse Practitioner1235837675
  2. Anna Zarco, NP-CFamily Nurse Practitioner1922797711

Verify Clara Man-Ching Olcott in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A156211
    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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2.4 times the Medicare Part D claims of the average otolaryngology physician in 2024

1,275 Medicare Part D claims for 489 beneficiaries, against an average of 541 among the 8,339 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims. 16 claims were for opioids.

  1. Clara Olcott1,275
  2. Specialty average541

Most prescribed

  1. Fluticasone Propionate396 claims
  2. Azelastine Hcl163 claims
  3. Omeprazole106 claims
  4. Amoxicillin-Clavulanate Potass56 claims
  5. Famotidine56 claims
  6. Ipratropium Bromide50 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): 0 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 score0.0
  2. Costnot scored (reweighted)
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities0 of 40 points · 15%0.0

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

Industry payments in 2024: $490.40

25 payments; by number, the most common kind was food and beverage; the largest payer was Genzyme Corporation. 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. Clara Olcott$490.40
  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. Inland Ear Nose And Throat A Medical Group IncUpland, CA

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

Clara Man-Ching Olcott among 1,212 otolaryngology physician records in California

Clara Man-Ching Olcott, M.D. 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 2012, is newer than 74% of them.

  • NPI issued2012 · 74% of these records are older, 23% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 67% of these records are
  • Graduated2012 · median 2004 among the 818 with a school on file
  • Record last updated2018 · 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. Stuart McCarthy, M.D.Upland, CA 917861932105715
  2. Bac Nguyen, MDWest Covina, CA 917901851400527
  3. James Yeh, M.D.West Covina, CA 917901699715839
  4. Tony Shum, M.D.San Gabriel, CA 917761740228998
  5. Leon Bachoura, M.D.San Dimas, CA 917731821167925
  6. Nader Kalantar, M.D.San Dimas, CA 917731598854978
  7. Lewit Worrell, MDSan Dimas, CA 917731821167933
  8. Veling Tsai, M.D., J.D.Alhambra, CA 918011619190378

Common questions

What is Clara Man-Ching Olcott, M.D.'s NPI number?

Clara Man-Ching Olcott, M.D.'s National Provider Identifier (NPI) is 1215291612, issued on Jun 29, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Clara Man-Ching Olcott, M.D. located?

The NPPES record lists a practice address at 1030 E Foothill Blvd Ste 101, Upland, CA, 91786. Phone: (909) 981-5859. Providers update this record themselves, so call before visiting.

How can I verify Clara Man-Ching Olcott, M.D.'s license?

NPPES lists California license number A156211, 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 Clara Man-Ching Olcott, M.D. prescribe under Medicare Part D?

In 2024, Clara Man-Ching Olcott, M.D. had 1,275 Medicare Part D claims for 489 beneficiaries; the average among otolaryngology physician prescribers was 541. Part D covers Medicare prescriptions only.

What is Clara Man-Ching Olcott, M.D.'s MIPS final score?

The 2023 MIPS final score is 0 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.