David Phillip Guo, MD
Urology Physician · Santa Clara, CA
David Phillip Guo, MD is a urology physician with a practice address in Santa Clara, California, and NPI 1598054991, issued on Apr 6, 2011. Check the license (California A122619, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- David Phillip Guo
- Credential
- MD
- Primary taxonomy
- Urology Physician 208800000X
- License number
- A122619 CA
Self-reported in NPPES; status is on the state search - Practice location
- 710 Lawrence Expy Dept 448, Santa Clara, CA 95051
- Phone
- (408) 851-4515
- Enumerated
- Apr 6, 2011
- Record last updated
- Dec 17, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20190429001708); accepts Medicare assignment
- Medical or professional school
- Harvard Medical School, 2011
- Entity
- Type 1 · individual
Also registered at 710 Lawrence Expy Dept 448
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sarah Chan, MDUrology Physician1114186186
- Lisa Hata, MDUrology Physician1225698566
Verify David Phillip Guo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A122619Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
79% fewer Medicare Part D claims than the average urology physician in 2024
279 Medicare Part D claims for 172 beneficiaries, against an average of 1,340 among the 10,782 providers of this specialty who prescribed in Part D.
Most prescribed
- Tamsulosin Hcl55 claims
- Finasteride46 claims
- Ciprofloxacin Hcl42 claims
- Cephalexin18 claims
- Sulfamethoxazole-Trimethoprim17 claims
- Oxybutynin Chloride Er16 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
- Permanente Medical Group IncSanta Clara, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Urology Physician providers in California
There are 1,524 urology physician records in California.
Other urology physician records in California
- David Aaronson, MDOakland, CA1215053129
- Jason Abber, MDPanorama City, CA1356366926
- Marc Abboud, MDLos Alamitos, CA1265096531
- George AbdelsayedAnaheim, CA1568721843
- Garen AbediDowney, CA1285909051
- Jennifer Abidari, MDStanford, CA1811098197
- Sherif Aboseif, MDOxnard, CA1093882995
- Parwiz Abrahimi, M.D., PH.D.Los Angeles, CA1154857613
- Anthony Acquaviva, MDVallejo, CA1457439283
- Theodore Affue, M.D.El Centro, CA1386674000
Common questions
What is David Phillip Guo, MD's NPI number?
David Phillip Guo, MD's National Provider Identifier (NPI) is 1598054991, issued on Apr 6, 2011. An NPI identifies a provider in billing; it is not a license.
Where is David Phillip Guo, MD located?
The NPPES record lists a practice address at 710 Lawrence Expy Dept 448, Santa Clara, CA, 95051. Phone: (408) 851-4515. Providers update this record themselves, so call before visiting.
How can I verify David Phillip Guo, MD's license?
NPPES lists California license number A122619, 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 David Phillip Guo, MD prescribe under Medicare Part D?
In 2024, David Phillip Guo, MD had 279 Medicare Part D claims for 172 beneficiaries; the average among urology physician prescribers was 1,340. 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.