NPPES file of Aug 9, 2026

Eric Tyler Sumner, DO

Pulmonary Disease Physician · Palo Alto, CA

Eric Tyler Sumner, DO is a pulmonary disease physician with a practice address in Palo Alto, California, and NPI 1205367356, issued on Mar 21, 2017. Check the license (California 20A16834, 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
1205367356
Name
Eric Tyler Sumner
Credential
DO
Primary taxonomy
Pulmonary Disease Physician 207RP1001X
License number
20A16834 CA
Self-reported in NPPES; status is on the state search
Practice location
300 Pasteur Dr, Palo Alto, CA 94305
Phone
(650) 725-7061
Enumerated
Mar 21, 2017
Record last updated
Jul 2, 2026
Medicare enrollment
Enrolled (PECOS I20230712002139); accepts Medicare assignment
Medical or professional school
Touro Un Col Of Osteopathic Medicine, Henderson, 2017
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 300 Pasteur Dr

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

  1. Deyaaldeen Abu Reesh, MDNeurological Surgery Physician1073201521
  2. Jose Acosta, MDEmergency Medicine Physician1104454446
  3. Tracie Adamson, NPNurse Practitioner1982765145
  4. Aderinsola Aderonmu, MSStudent in an Organized Health Care Education/Training Program1083301196
  5. Akuvi Claude Adossou, MDStudent in an Organized Health Care Education/Training Program1093394504
  6. Reena Agrawal, MDPhysical Medicine & Rehabilitation Physician1720257520

Verify Eric Tyler Sumner in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 20A16834
    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

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98% fewer Medicare Part D claims than the average pulmonary disease physician in 2024

22 Medicare Part D claims for 13 beneficiaries, against an average of 1,425 among the 11,596 providers of this specialty who prescribed in Part D.

  1. Eric Sumner22
  2. Specialty average1,425

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 IncOakland, CA

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

Eric Tyler Sumner among 1,443 pulmonary disease physician records in California

Eric Tyler Sumner, DO is one of 1,443 pulmonary disease physician records with a practice address in California. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 89% of them.

  • NPI issued2017 · 89% of these records are older, 7% newer
  • In a Medicare fileYes · 84% of these records are
  • In the CMS Doctors and Clinicians fileYes · 74% of these records are
  • Graduated2017 · median 2002 among the 1,061 with a school on file
  • Record last updated2026 · 55% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RP1001X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pulmonary Disease Physician providers in California

There are 1,443 pulmonary disease physician records in California.

The 8 pulmonary disease physician records with the nearest ZIP codes

  1. Laveena Chhatwani, MDStanford, CA 943051841278652
  2. Ramona Doyle, M.D.Stanford, CA 943051497863567
  3. Jennifer Fresco, M.D.Stanford, CA 943051902979131
  4. Jonerik Holty, M.D.Stanford, CA 943051720156748
  5. Deborah Levine, MDStanford, CA 943051831206804
  6. Joseph Lin, M.D.Stanford, CA 943051720136807
  7. Gordon Mak, M.D.Stanford, CA 943051447330725
  8. Paul Mohabir, M.D.Stanford, CA 943051811909708

Common questions

What is Eric Tyler Sumner, DO's NPI number?

Eric Tyler Sumner, DO's National Provider Identifier (NPI) is 1205367356, issued on Mar 21, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Eric Tyler Sumner, DO located?

The NPPES record lists a practice address at 300 Pasteur Dr, Palo Alto, CA, 94305. Phone: (650) 725-7061. Providers update this record themselves, so call before visiting.

How can I verify Eric Tyler Sumner, DO's license?

NPPES lists California license number 20A16834, 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 Eric Tyler Sumner, DO prescribe under Medicare Part D?

In 2024, Eric Tyler Sumner, DO had 22 Medicare Part D claims for 13 beneficiaries; the average among pulmonary disease physician prescribers was 1,425. 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.