Ian Kroes, MD
Family Medicine Physician · Menlo Park, CA
Ian Kroes, MD is a family medicine physician with a practice address in Menlo Park, California, and NPI 1437263068, issued on Aug 19, 2006. Check the license (California A73577, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ian Kroes
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A73577 CA
Self-reported in NPPES; status is on the state search - Practice location
- 401 Burgess Dr Ste A, Menlo Park, CA 94025
- Phone
- (650) 800-3365
- Enumerated
- Aug 19, 2006
- Record last updated
- Mar 31, 2021 (not updated in 5 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 401 Burgess Dr Ste A
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Judy Kim, MDFamily Medicine Physician1306131925
Verify Ian Kroes in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A73577Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average family medicine physician in 2024
391 Medicare Part D claims for 42 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium25 claims
- Rosuvastatin Calcium18 claims
- Metoprolol Succinate14 claims
- Simbrinza13 claims
- Metformin Hcl Er11 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: $24.43
1 payment: food and beverage; the largest payer was Pfizer Inc. The 55,478 providers of this specialty with any payment received $902.55 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.
Ian Kroes among 17,133 family medicine physician records in California
Ian Kroes, MD 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 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 59% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2021 · 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).
12 family medicine physician records list a practice address in Menlo Park
They are 12 of the 1,265 NPPES records with a practice address in Menlo Park, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Menlo Park → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Yu-Wen Chang, DOMenlo Park, CA 940251598258154
- Sapna Dalal, MDMenlo Park, CA 940251144380338
- Diana Farid, M.D.Menlo Park, CA 940251912123175
- Daniel Huie, MDMenlo Park, CA 940251295794725
- Kewmars Keyvani, MDMenlo Park, CA 940251093456238
- Judy Kim, MDMenlo Park, CA 940251306131925
- Kathryn Middleton, DOMenlo Park, CA 940251417539503
- Helen Pillsbury, MDMenlo Park, CA 940251073550224
Common questions
What is Ian Kroes, MD's NPI number?
Ian Kroes, MD's National Provider Identifier (NPI) is 1437263068, issued on Aug 19, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ian Kroes, MD located?
The NPPES record lists a practice address at 401 Burgess Dr Ste A, Menlo Park, CA, 94025. Phone: (650) 800-3365. Providers update this record themselves, so call before visiting.
How can I verify Ian Kroes, MD's license?
NPPES lists California license number A73577, 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 Ian Kroes, MD prescribe under Medicare Part D?
In 2024, Ian Kroes, MD had 391 Medicare Part D claims for 42 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.