NPPES file of Aug 9, 2026

Suzanne Nicole Sims Woo, M.D.

Internal Medicine Physician · Palo Alto, CA

Suzanne Nicole Sims Woo, M.D. is an internal medicine physician with a practice address in Palo Alto, California, and NPI 1487719845, issued on Dec 26, 2006. Check the license (California A67576, 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
1487719845
Name
Suzanne Nicole Sims Woo
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
A67576 CA
Self-reported in NPPES; status is on the state search
Practice location
1101 Welch RD, Palo Alto, CA 94304
Phone
(650) 329-0440
Enumerated
Dec 26, 2006
Record last updated
Dec 13, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(650) 321-3589
Medicare enrollment
Enrolled (PECOS I20080611000784); accepts Medicare assignment
Medical or professional school
Harvard Medical School, 1997
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 1101 Welch RD

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

  1. Bruce Adornato, M.D.Neurology Physician1366514341
  2. Peter Cassini, M.D.Neurology Physician1326088501
  3. Li Zhen ChenMassage Therapist1427185743
  4. Anita Choy, MDAllergy Physician1639136690
  5. Steven Feinberg, MDPain Medicine (Anesthesiology) Physician1790840049
  6. Remington Fong, MDPediatrics Physician1619993532

Verify Suzanne Nicole Sims Woo in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A67576
    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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100% more Medicare Part D claims than the average internal medicine physician in 2024

6,343 Medicare Part D claims for 864 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 149 claims were for opioids.

  1. Suzanne Woo6,343
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium521 claims
  2. Lisinopril354 claims
  3. Losartan Potassium320 claims
  4. Amlodipine Besylate288 claims
  5. Levothyroxine Sodium262 claims
  6. Simvastatin201 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 IncSan Mateo, CA

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

Suzanne Nicole Sims Woo among 17,696 internal medicine physician records in California

Suzanne Nicole Sims Woo, M.D. is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.

  • NPI issued2006 · 5% of these records are older, 56% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated1997 · median 2004 among the 11,065 with a school on file
  • Record last updated2021 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

187 internal medicine physician records list a practice address in Palo Alto

They are 187 of the 7,617 NPPES records with a practice address in Palo Alto, and 17,696 internal medicine physician records in California.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Arlina Ahluwalia, MDPalo Alto, CA 943041295723559
  2. Bankole Asebiomo, MDPalo Alto, CA 943041841301884
  3. Lisa Backus, MD PHDPalo Alto, CA 943041033152285
  4. Mina Charon, MDPalo Alto, CA 943041558349266
  5. Stephen Ezeji-Okoye, M.D.Palo Alto, CA 943041366493595
  6. Susan Frayne, MD, MPHPalo Alto, CA 943041952314890
  7. James Hallenbeck, MDPalo Alto, CA 943041316982358
  8. Rhonda Hamilton, M.D.Palo Alto, CA 943041225063241

Common questions

What is Suzanne Nicole Sims Woo, M.D.'s NPI number?

Suzanne Nicole Sims Woo, M.D.'s National Provider Identifier (NPI) is 1487719845, issued on Dec 26, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Suzanne Nicole Sims Woo, M.D. located?

The NPPES record lists a practice address at 1101 Welch RD, Palo Alto, CA, 94304. Phone: (650) 329-0440. Providers update this record themselves, so call before visiting.

How can I verify Suzanne Nicole Sims Woo, M.D.'s license?

NPPES lists California license number A67576, 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 Suzanne Nicole Sims Woo, M.D. prescribe under Medicare Part D?

In 2024, Suzanne Nicole Sims Woo, M.D. had 6,343 Medicare Part D claims for 864 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.