NPPES file of Aug 9, 2026

Rudolf Estess, DO

Family Medicine Physician · Redwood City, CA

Rudolf Estess, DO is a family medicine physician with a practice address in Redwood City, California, and NPI 1942761861, issued on Mar 26, 2019. Check the license (California 20A19475, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1942761861
Name
Rudolf Estess
Credential
DO
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
20A19475 CA
Self-reported in NPPES; status is on the state search
Practice location
1190 Veterans Blvd, Redwood City, CA 94063
Phone
(650) 299-2015
Enumerated
Mar 26, 2019
Record last updated
Jul 29, 2022
Medicare enrollment
Enrolled (PECOS I20221118002445); accepts Medicare assignment
Medical or professional school
At Still Un Of Hlth Sciences, Col Of Osteo Med, Mesa, 2019
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 1190 Veterans Blvd

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

  1. Judy ChenFamily Nurse Practitioner1427649573
  2. Cristina Cojocaru, DOFamily Medicine Physician1831650993
  3. Kirth Cucueco, MDInternal Medicine Physician1306209275
  4. Christine Duong, PHARMDPharmacist1316584592
  5. Roberta Heck, NPAdult Health Nurse Practitioner1093895245
  6. Linda Hoang, M.D.Hematology & Oncology Physician1811253214

Verify Rudolf Estess in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 20A19475
    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% more Medicare Part D claims than the average family medicine physician in 2024

3,627 Medicare Part D claims for 1,015 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 90 claims were for opioids.

  1. Rudolf Estess3,627
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium331 claims
  2. Lisinopril170 claims
  3. Losartan Potassium157 claims
  4. Simvastatin130 claims
  5. Amlodipine Besylate118 claims
  6. Levothyroxine Sodium98 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.

Bills Medicare through one group practice

  1. Permanente Medical Group IncRedwood City, CA

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

Rudolf Estess among 17,133 family medicine physician records in California

Rudolf Estess, DO is one of 17,133 family medicine 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 2019, is newer than 85% of them.

  • NPI issued2019 · 85% of these records are older, 12% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated2019 · median 2005 among the 10,652 with a school on file
  • Record last updated2022 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Family Medicine Physician providers in California

There are 17,133 family medicine physician records in California.

The 8 family medicine physician records with the nearest ZIP codes

  1. Geny Augustine, MDRedwood City, CA 940631083108401
  2. Kelley Brinsky, DORedwood City, CA 940631578977336
  3. Amisha Chhipwadia, MDRedwood City, CA 940631114037264
  4. Alan Galitz, MDRedwood City, CA 940631699853259
  5. Lizzy Hsu, MDRedwood City, CA 940631376695171
  6. Andrew Hwang, MDRedwood City, CA 940631740505825
  7. Ahalya Joisha, M.DRedwood City, CA 940631760536577
  8. Sung Knueppel, MDRedwood City, CA 940631407967680

Common questions

What is Rudolf Estess, DO's NPI number?

Rudolf Estess, DO's National Provider Identifier (NPI) is 1942761861, issued on Mar 26, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Rudolf Estess, DO located?

The NPPES record lists a practice address at 1190 Veterans Blvd, Redwood City, CA, 94063. Phone: (650) 299-2015. Providers update this record themselves, so call before visiting.

How can I verify Rudolf Estess, DO's license?

NPPES lists California license number 20A19475, 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 Rudolf Estess, DO prescribe under Medicare Part D?

In 2024, Rudolf Estess, DO had 3,627 Medicare Part D claims for 1,015 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.