Jacquelyn Kemmer Callander
Otolaryngology Physician · Palo Alto, CA
Jacquelyn Kemmer Callander is an otolaryngology physician with a practice address in Palo Alto, California, and NPI 1851929129, issued on Mar 31, 2020. Check the license (California A190358, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Jacquelyn Kemmer Callander
- Primary taxonomy
- Otolaryngology Physician 207Y00000X
- License number
- A190358 CA
Self-reported in NPPES; status is on the state search - Practice location
- 300 Pasteur Dr, Palo Alto, CA 94305
- Phone
- (650) 723-4000
- Enumerated
- Mar 31, 2020
- Record last updated
- Jul 16, 2025
- Medicare enrollment
- Enrolled (PECOS I20250512003097); accepts Medicare assignment
- Medical or professional school
- University Of California, San Francisco School Of Medicine, 2020
- Entity
- Type 1 · individual
8 nearest otolaryngology physician records → All 1,212 in California → Look up another NPI →
Also registered at 300 Pasteur Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Deyaaldeen Abu Reesh, MDNeurological Surgery Physician1073201521
- Jose Acosta, MDEmergency Medicine Physician1104454446
- Tracie Adamson, NPNurse Practitioner1982765145
- Aderinsola Aderonmu, MSStudent in an Organized Health Care Education/Training Program1083301196
- Akuvi Claude Adossou, MDStudent in an Organized Health Care Education/Training Program1093394504
- Reena Agrawal, MDPhysical Medicine & Rehabilitation Physician1720257520
Verify Jacquelyn Kemmer Callander in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A190358Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
84% fewer Medicare Part D claims than the average otolaryngology physician in 2024
87 Medicare Part D claims for 48 beneficiaries, against an average of 541 among the 8,339 providers of this specialty who prescribed in Part D. 20 claims were for opioids.
Most prescribed
- Ibuprofen21 claims
- Oxycodone Hcl19 claims
- Cephalexin11 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: $337.99
5 payments; by number, the most common kind was food and beverage; the largest payer was Inspire Medical Systems, Inc. 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.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
One hospital affiliation
- Stanford Health CareStanford, CA · Acute Care Hospitals5 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Jacquelyn Kemmer Callander among 1,212 otolaryngology physician records in California
Jacquelyn Kemmer Callander 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 2020, is newer than 93% of them.
- NPI issued2020 · 93% of these records are older, 5% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated2020 · median 2004 among the 818 with a school on file
- Record last updated2025 · 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.
All 1,212 in California → Every provider in Palo Alto → Otolaryngology Physician nationwide →
The 8 otolaryngology physician records with the nearest ZIP codes
- Edward Damrose, MDStanford, CA 943051851314702
- Robert Jackler, MDStanford, CA 943051568502839
- Nancy JiangStanford, CA 943051740424043
- Benzion Joshua, M.D.Palo Alto, CA 943051538193792
- Michael Kaplan, M.D.Stanford, CA 943051851437131
- Frank Lin, MD, PHDStanford, CA 943051619015229
- I-Fan Mau, MD, PHDStanford, CA 943051780718791
- Uchechukwu Megwalu, MDStanford, CA 943051730370941
Common questions
What is Jacquelyn Kemmer Callander's NPI number?
Jacquelyn Kemmer Callander's National Provider Identifier (NPI) is 1851929129, issued on Mar 31, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Jacquelyn Kemmer Callander located?
The NPPES record lists a practice address at 300 Pasteur Dr, Palo Alto, CA, 94305. Phone: (650) 723-4000. Providers update this record themselves, so call before visiting.
How can I verify Jacquelyn Kemmer Callander's license?
NPPES lists California license number A190358, 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 Jacquelyn Kemmer Callander prescribe under Medicare Part D?
In 2024, Jacquelyn Kemmer Callander had 87 Medicare Part D claims for 48 beneficiaries; the average among otolaryngology physician prescribers was 541. 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.