Ruby Waiyee Tam, D.O.
Family Medicine Physician · Crystal, MN
Ruby Waiyee Tam, D.O. is a family medicine physician with a practice address in Crystal, Minnesota, and NPI 1194950303, issued on May 18, 2009. Check the license (Minnesota 53209, as entered in NPPES) on the Minnesota Board of Medical Practice; the Medicare figures below come from public CMS files.
- Name
- Ruby Waiyee Tam
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 53209 MN
Self-reported in NPPES; status is on the state search - Practice location
- 5700 Bottineau Blvd, Crystal, MN 55429
- Phone
- (763) 504-6500
- Enumerated
- May 18, 2009
- Record last updated
- Sep 24, 2012 (not updated in 14 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,985 in Minnesota → Look up another NPI →
Also registered at 5700 Bottineau Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Elizabeth Albright, M.D.Family Medicine Physician1760733752
- Ofer Barniv, PACFamily Medicine Physician1093184533
- Sara Budhoo, PA-CMedical Physician Assistant1326462292
- Jillian Hallstrom, MDObstetrics & Gynecology Physician1780795575
- Shannon Harris, MDObstetrics & Gynecology Physician1790896587
- Lisa Hoium, DPTPhysical Therapist1407289754
Verify Ruby Waiyee Tam in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMinnesota Board of Medical Practice
Search for license 53209Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average family medicine physician in 2024
134 Medicare Part D claims for 28 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Valacyclovir19 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.
Ruby Waiyee Tam among 3,985 family medicine physician records in Minnesota
Ruby Waiyee Tam, D.O. is one of 3,985 family medicine physician records with a practice address in Minnesota. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 66% of them.
- NPI issued2009 · 66% of these records are older, 32% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2012 · 63% 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 Minnesota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
25 family medicine physician records list a practice address in Crystal
They are 25 of the 276 NPPES records with a practice address in Crystal, and 3,985 family medicine physician records in Minnesota.
All 3,985 in Minnesota → Every provider in Crystal → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Saima Ahmer, MDBrooklyn Center, MN 554291174642540
- Elizabeth Albright, M.D.Crystal, MN 554291760733752
- Ofer Barniv, PACCrystal, MN 554291093184533
- Deborah Dittberner, M.D.Crystal, MN 554291801876776
- Anne Gair, MDBrooklyn Center, MN 554291235692997
- Laura Johnson, MDBrooklyn Center, MN 554291881157576
- Stuart Kaufman, MDBrooklyn Center, MN 554291902878911
- Tria Lor, MDBrooklyn Center, MN 554291215255955
Common questions
What is Ruby Waiyee Tam, D.O.'s NPI number?
Ruby Waiyee Tam, D.O.'s National Provider Identifier (NPI) is 1194950303, issued on May 18, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Ruby Waiyee Tam, D.O. located?
The NPPES record lists a practice address at 5700 Bottineau Blvd, Crystal, MN, 55429. Phone: (763) 504-6500. Providers update this record themselves, so call before visiting.
How can I verify Ruby Waiyee Tam, D.O.'s license?
NPPES lists Minnesota license number 53209, as entered by the provider. Search the Minnesota Board of Medical Practice at https://mn.gov/boards/medical-practice/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ruby Waiyee Tam, D.O. prescribe under Medicare Part D?
In 2024, Ruby Waiyee Tam, D.O. had 134 Medicare Part D claims for 28 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.