Michael Tam

  • Orinda, CA
  • Physician assistant
NPI1619529518PAC ID2567850365
Part D claims, 2024
330
Hospital affiliations
1
Industry payments
$799
Medical group
1
State licenses
2
Practice address
12 Camino Encinas, Orinda, CA 94563
Practice phone
Call (510) 204-8180
Professional email
Get professional email
Personal email
Get personal email
Mobile number
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Social profiles

Primary practice

Sutter East Bay Medical Foundation

Orinda, California

See all 4 affiliations

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Michael Tam is a physician assistant in Orinda, California

Michael Tam practices at Sutter East Bay Medical Foundation in Orinda, California.

Michael Tam's NPI, 1619529518, was assigned on July 10, 2019. Michael Tam holds California license PA61646.

NPI and contact details
Medicare PAC ID
2567850365
NPI enumeration date
July 10, 2019
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(510) 204-8180
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
32
Medical school graduation
2020

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Michael Tam practices at Sutter East Bay Medical Foundation in Orinda, California

Michael Tam's primary practice is Sutter East Bay Medical Foundation, at 12 Camino Encinas, Orinda, CA 94563 in Contra Costa County. The practice phone is (510) 204-8180.

  • Sutter East Bay Medical Foundation
    12 Camino Encinas, Orinda, CA 94563 · Contra Costa CountyPhone(510) 204-8180

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Michael Tam is affiliated with 3 sites of care and 1 medical group

Michael Tam's primary practice is Sutter East Bay Medical Foundation in Orinda, California. Michael Tam is also affiliated with Alta Bates Summit Medical Center | Alta Bates Campus. The medical group on file is Palo Alto Foundation Medical Group. Dmand AI also links Michael Tam to 1 more group practice or clinic, named with a free account.

See all 4 affiliations for Michael Tam

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Michael Tam's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Michael Tam practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Sutter East Bay Medical FoundationAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Michael Tam is one of 11,482 physician assistants in California

Physician assistant is Michael Tam's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Dmand AI has Michael Tam's licenses on file in 2 states: California and Illinois.

Specialties and state licenses

  • Physician assistant, CaliforniaPrimaryLicense PA61646 · taxonomy 363A00000X
  • Illinois licenseLicense 085-008017

Physician assistants near Michael Tam

Counts of physician assistants with a Dmand AI profile, by place and practice. Each opens the list.

11,482physician assistants in California
4physician assistants in Orinda

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Michael Tam's patients have a median age of 71

Across all payers, Dmand AI patient panel data puts Michael Tam's median patient age at 71, with 59% women.

Michael Tam's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 71

Patient panel by sex, all payers

  • Women59%
  • Men31%

Source: Dmand AI Patient Panel Data

Michael Tam wrote 330 Medicare Part D claims in 2024

In 2024, Michael Tam wrote 330 Medicare Part D claims for 45 patients. 98% of them were for generic drugs.

Part D claims, 2024330
Part D patients45

Michael Tam's Part D claims by kind of drug, 2024

  • Generic322 claims98%
  • Brand-name and other8 claims2%

Drug classes CMS tracks in Michael Tam's Part D claims, 2024

  • Opioids40%132 of 330 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

Michael Tam offers telehealth to Medicare patients

Michael Tam accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Michael Tam as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Michael Tam received $799 in industry payments in 2025

CMS Open Payments shows 8 general payments to Michael Tam from 2 drug and device companies in 2025. Travel and lodging make up the largest share, 66% of the total. Boston Scientific Corporation paid the most, $779.

General payments to Michael Tam by kind, 2025 to 2025

$799in total
  • Travel and lodging$53166%
  • Food and beverage$26834%

Companies that paid Michael Tam the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to Michael Tam

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Michael Tam's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Michael Tam

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Michael Tam's NPI number?

Michael Tam's NPI number is 1619529518. It was assigned on July 10, 2019, and it is active in the NPI Registry.

What does Michael Tam specialize in?

Michael Tam is a physician assistant in Orinda, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).

Where does Michael Tam practice?

Michael Tam practices at 12 Camino Encinas, Orinda, CA 94563. Michael Tam's primary practice is Sutter East Bay Medical Foundation in Orinda, California. Dmand AI also links Michael Tam to 1 group practice or clinic.

What is Michael Tam's office phone number?

The practice phone on file for Michael Tam is (510) 204-8180.

What is Michael Tam's medical license number?

Michael Tam holds California license PA61646, one of the licenses on file in 2 states.

Which states has Michael Tam been licensed in?

Dmand AI has state licenses on file for Michael Tam in California and Illinois.

Which hospitals is Michael Tam affiliated with?

Michael Tam is affiliated with Alta Bates Summit Medical Center | Alta Bates Campus.

What medical group is Michael Tam part of?

Michael Tam is linked to Palo Alto Foundation Medical Group.

Does Michael Tam accept Medicare?

Yes. CMS lists Michael Tam as accepting Medicare assignment.

Does Michael Tam offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Michael Tam as offering telehealth services.

Has Michael Tam received payments from drug or device companies?

CMS Open Payments shows $799 in general payments to Michael Tam from 2 companies from 2025 to 2025. The largest total came from Boston Scientific Corporation.

How long has Michael Tam been practicing?

Michael Tam graduated from medical school in 2020, 6 years ago.

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