Tonya Kaltenbach, MD
Specialist · Palo Alto, CA
Tonya Kaltenbach, MD is a specialist with a practice address in Palo Alto, California, and NPI 1578618419, issued on Jan 23, 2007. Check the license (California A81539, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Tonya Kaltenbach
- Credential
- MD
- Primary taxonomy
- Specialist 174400000X
- License number
- A81539 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3801 Miranda Ave, Palo Alto, CA 94304
- Phone
- (650) 493-5000
- Enumerated
- Jan 23, 2007
- Record last updated
- Dec 31, 2015 (not updated in 11 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20090528000233); accepts Medicare assignment
- Medical or professional school
- Jefferson Medical College Of Thomas Jefferson University, 2001
- Entity
- Type 1 · individual
8 nearest specialist records → All 5,749 in California → Look up another NPI →
Also registered at 3801 Miranda Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Simon Abramson, MDDiagnostic Radiology Physician1609106137
- Christelle Jade AbrenicaInfusion Therapy Registered Nurse1770470411
- Laurie Ackerman, LCSWClinical Social Worker1699797001
- Russell Acob, RNRegistered Nurse1235757154
Verify Tonya Kaltenbach in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license A81539Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $73,187.84
59 payments; by number, the most common kind was travel and lodging; the largest payer was Olympus Corporation. The 5,844 providers of this specialty with any payment received $4,760.79 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.
Bills Medicare through one group practice
- Regents OF The University OF CaliforniaSan Francisco, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Tonya Kaltenbach among 5,749 specialist records in California
Tonya Kaltenbach, MD is one of 5,749 specialist records with a practice address in California. 30% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 40% of them.
- NPI issued2007 · 40% of these records are older, 44% newer
- In a Medicare fileYes · 30% of these records are
- In the CMS Doctors and Clinicians fileYes · 19% of these records are
- Graduated2001 · median 1989 among the 1,075 with a school on file
- Record last updated2015 · 77% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Specialist providers in California
There are 5,749 specialist records in California.
All 5,749 in California → Every provider in Palo Alto → Specialist nationwide →
The 8 specialist records with the nearest ZIP codes
- Nancy Bishop-Abney, RNPalo Alto, CA 943041285764944
- Fuad Freiha, MDPalo Alto, CA 943041558387795
- Jennifer Hoblyn, MD MPHPalo Alto, CA 943041629022025
- Jeffrey Jaramillo, MSPTPalo Alto, CA 943041568593291
- Jennifer Kao, M.D.Palo Alto, CA 943041689714248
- Beatrice Kiratli, PHDPalo Alto, CA 943041780778381
- Thomas Krummel, M.D.Palo Alto, CA 943041922140235
- Allison Ong, M.S., OTR/LPalo Alto, CA 943041700054434
Common questions
What is Tonya Kaltenbach, MD's NPI number?
Tonya Kaltenbach, MD's National Provider Identifier (NPI) is 1578618419, issued on Jan 23, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Tonya Kaltenbach, MD located?
The NPPES record lists a practice address at 3801 Miranda Ave, Palo Alto, CA, 94304. Phone: (650) 493-5000. Providers update this record themselves, so call before visiting.
How can I verify Tonya Kaltenbach, MD's license?
NPPES lists California license number A81539, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity 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.