HeartHeart VentriclesPoint-of-Care Systems
Dr. Eric Tam, MD
NPI1275037103
- Part D claims, 2024
- 4,216
- Publications
- 2
- Hospital affiliations
- 1
- Industry payments
- $576
- Medical group
- 1
- Practice address
- 101 E. Valencia Mesa Drive, Fullerton, CA 92835
- Practice phone
- Call (714) 578-8706
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
St. Jude Medical Center - Unit
Acute Care Hospital-Unit · Fullerton, California
Find Dr. Tam's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Eric Tam is a family medicine physician in Fullerton, California
Dr. Tam practices at St. Jude Medical Center - Unit in Fullerton, California.
Dr. Tam's NPI, 1275037103, was assigned on March 23, 2018. Dr. Tam graduated from David Geffen School of Medicine at UCLA in 2018. Dr. Tam's California license number on file is A164896.
NPI and contact details
- NPI
- 1275037103NPI Registry (opens in a new tab)
- NPI enumeration date
- March 23, 2018
- NPI status
- Active
- Practice phone
- (714) 578-8706
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Eric Tam practices at St. Jude Medical Center - Unit in Fullerton, California
Dr. Tam's primary practice is St. Jude Medical Center - Unit, at 101 E. Valencia Mesa Drive, Fullerton, CA 92835 in Orange County. The practice phone is (714) 578-8706.
- St. Jude Medical Center - Unit101 E. Valencia Mesa Drive, Fullerton, CA 92835 · Orange CountyPhone(714) 578-8706
Source: Dmand AI Affiliation Data
Dr. Eric Tam is affiliated with 1 site of care and 1 medical group
Dr. Tam's primary practice is St. Jude Medical Center - Unit in Fullerton, California. The medical group on file is Bradley J. E. Profesional Corporation.
St. Jude Medical Center - UnitPrimary
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Eric Tam's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Tam practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| St. Jude Medical Center - Unit | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
See the EHR and IT leaders at every site where Dr. Tam practices
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Eric Tam is one of 15,680 family medicine physicians in California
Family medicine is Dr. Tam's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Tam is board certified in family medicine by the American Board of Family Medicine. Dr. Tam has a license on file in California.
Specialties and state licenses
- Family medicine, CaliforniaPrimary
Family medicine physicians near Dr. Tam
Counts of family medicine physicians with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Eric Tam's patients have a median age of 72
Across all payers, Dmand AI patient panel data puts Dr. Tam's median patient age at 72, with 61% women.
Dr. 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 72
Patient panel by sex, all payers
- Women61%
- Men38%
Source: Dmand AI Patient Panel Data
Dr. Eric Tam wrote 4,216 Medicare Part D claims in 2024
In 2024, Dr. Tam wrote 4,216 Medicare Part D claims for 139 patients. 85% of them were for generic drugs. CMS names the drug for 3,573 of them, across 91 drugs with 11 or more claims each, at $332,885 in total drug cost. In 2023, CMS named 1,899 claims across 62 drugs.
Part D claims, 20244,216
Drugs named by CMS91
Total drug cost$332,885
Part D patients139
Dr. Tam's Part D claims by kind of drug, 2024
- Generic3,577 claims85%
- Brand-name596 claims14%
- Other43 claims1%
Dr. Tam's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Tam's Part D claims, 2024
- Opioids0%13 of 4,216 claims
- Antibiotics1%49 of 4,216 claims
- Antipsychotics, patients 65 and over3%135 of 4,216 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1,8992024: 3,57388%
Drugs named by CMS: 91 in 2024, 62 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
For MedTech and pharma teams
Find family medicine physicians like Dr. Tam by procedure volume and prescribing
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Eric Tam has 2 publications on record
Dmand AI links 2 papers to Dr. Tam in 2021. 2021 was the busiest year, with 2.
Papers2
Recent publications by Dr. Tam
See who Dr. Tam researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Tam works with, so you can find a warm path to the right family medicine physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Eric Tam received $576 in industry payments from 2019 to 2025
CMS Open Payments shows 14 general payments to Dr. Tam from 5 drug and device companies from 2019 to 2025. Food and beverage make up the largest share, 83% of the total. Incyte Corporation paid the most, $392.
General payments to Dr. Tam by program year, 2019 to 2025
General payments to Dr. Tam by kind, 2019 to 2025
$576in total
- Food and beverage$47783%
- Education$9917%
Companies that paid Dr. Tam the most, 2019 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Eric Tam graduated from David Geffen School of Medicine at UCLA
Dr. Tam graduated from David Geffen School of Medicine at UCLA in 2018.
- Medical school
- Board certified in family medicine
Source: Dmand AI Professional Profile Data
Dr. Eric Tam accepts plans from 13 insurance carriers
Dr. Tam is in network with 13 carriers, including Blue Cross Blue Shield of Michigan, United Healthcare and Elevance. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Elevance
- HCSC
- Aetna
- Blue Cross Blue Shield of Massachusetts
- Regence Health Plans
- Alliant Health Plans
- +5 more carriersWith a free account
Plan types Dr. Tam accepts, by number of carriers
- PPO9
- HMO6
- Medicare6
- EPO3
- POS2
Source: Dmand AI Insurance Network Data
Sources for Dr. Eric Tam's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Eric 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 Dr. Eric Tam's NPI number?
Dr. Eric Tam's NPI number is 1275037103. It was assigned on March 23, 2018, and it is active in the NPI Registry.
What kind of doctor is Dr. Eric Tam?
Dr. Eric Tam is a family medicine physician in Fullerton, California. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Eric Tam practice?
Dr. Tam practices at 101 E. Valencia Mesa Drive, Fullerton, CA 92835. Dr. Tam's primary practice is St. Jude Medical Center - Unit in Fullerton, California.
What is Dr. Eric Tam's office phone number?
The practice phone on file for Dr. Tam is (714) 578-8706.
What is Dr. Eric Tam's medical license number?
Dr. Tam's California license number on file is A164896.
What medical group is Dr. Eric Tam part of?
Dr. Tam is linked to Bradley J. E. Profesional Corporation.
Is Dr. Eric Tam board certified?
Yes. Dr. Tam is board certified in family medicine by the American Board of Family Medicine.
Where did Dr. Eric Tam go to medical school?
Dr. Tam graduated from David Geffen School of Medicine at UCLA in 2018.
What drugs does Dr. Eric Tam prescribe most?
In 2024 Medicare Part D data, Dr. Tam's most prescribed drugs by claims were Amlodipine Besylate, Levothyroxine Sodium and Atorvastatin Calcium.
Has Dr. Eric Tam received payments from drug or device companies?
CMS Open Payments shows $576 in general payments to Dr. Tam from 5 companies from 2019 to 2025. The largest total came from Incyte Corporation.
Show 3 more questionsShow fewer questions
How long has Dr. Eric Tam been practicing?
Dr. Tam graduated from medical school in 2018, 8 years ago.
Does Dr. Eric Tam do research?
Dmand AI links 2 publications to Dr. Tam.
What insurance does Dr. Eric Tam accept?
Dr. Tam is in network with 13 carriers, including Blue Cross Blue Shield of Michigan, United Healthcare and Elevance. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
Selling to family medicine practices?
See family medicine physicians in California by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card