Dr. John K. Tam, MD
- Part D claims, 2021
- 2,165
- Medical group
- 1
- State licenses
- 2
- Year NPI issued
- 2006
- Practice address
- 11555 University Blvd, Sugarland, TX 77478-3889
- Practice phone
- Call (713) 442-9100
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Kelsey Seybold Asc Fort Bend
Ambulatory surgical center · Sugarland, Texas
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. John K. Tam is an internist in Sugarland, Texas
Dr. Tam practices at Kelsey Seybold Asc Fort Bend in Sugarland, Texas.
Dr. Tam's NPI, 1134208416, was assigned on November 6, 2006. Dr. Tam graduated from McGovern Medical School in 1993. Dr. Tam's Texas license number on file is J6759.
- NPI
- 1134208416NPI Registry (opens in a new tab)
- NPI enumeration date
- November 6, 2006
- NPI status
- Active
- Practice phone
- (713) 442-9100
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 1993
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John K. Tam practices at Kelsey Seybold Asc Fort Bend in Sugarland, Texas
Dr. Tam's primary practice is Kelsey Seybold Asc Fort Bend, at 11555 University Blvd, Sugarland, TX 77478-3889. The practice phone is (713) 442-9100.
- Kelsey Seybold Asc Fort Bend11555 University Blvd, Sugarland, TX 77478-3889Phone(713) 442-9100
Source: Doctors and Clinicians National Downloadable File (CMS)
Dr. John K. Tam is affiliated with 1 site of care and 1 medical group
Dr. Tam's primary practice is Kelsey Seybold Asc Fort Bend in Sugarland, Texas. The medical group on file is Kelsey-Seybold Clinic.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. John K. 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 |
|---|---|
| Kelsey Seybold Asc Fort Bend | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John K. Tam is one of 8,437 internists in Texas
Internal medicine is Dr. Tam's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dmand AI has Dr. Tam's licenses on file in 2 states: Texas and Pennsylvania.
Specialties and state licenses
- Internal medicine, TexasPrimary
- Pennsylvania license
Internists near Dr. Tam
Counts of internists 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. John K. Tam's patients have a median age of 66
Across all payers, Dmand AI patient panel data puts Dr. Tam's median patient age at 66, with 27% 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 66
Patient panel by sex, all payers
- Women27%
- Men71%
Source: Dmand AI Patient Panel Data
Dr. John K. Tam wrote 2,165 Medicare Part D claims in 2021
In 2021, Dr. Tam wrote 2,165 Medicare Part D claims. They cover 54 drugs, with $102,354 in total drug cost. In 2020, CMS named 6,857 claims across 114 drugs.
Dr. Tam's most prescribed drugs by claims, 2021
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2020 to 2021
- 2020
- 2021
- Claims for drugs CMS names
- 2020: 6,8572021: 2,16568%
Drugs named by CMS: 54 in 2021, 114 in 2020.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. John K. Tam has 4 awards and honors on record
Dmand AI lists 4 awards for Dr. Tam, most recently NCQA HSRP in 2014.
Awards and honors for Dr. Tam
- 2014
- NCQA HSRP
- NCQA PCMH
- NCQA PPC
- 2013
- NCQA DRP
Source: Dmand AI Professional Profile Data
Dr. John K. Tam graduated from McGovern Medical School
Dr. Tam graduated from McGovern Medical School in 1993.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. John K. 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 | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)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) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile 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. John K. 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. John K. Tam's NPI number?
Dr. John K. Tam's NPI number is 1134208416. It was assigned on November 6, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John K. Tam?
Dr. John K. Tam is an internist in Sugarland, Texas. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. John K. Tam practice?
Dr. Tam practices at 11555 University Blvd, Sugarland, TX 77478-3889. Dr. Tam's primary practice is Kelsey Seybold Asc Fort Bend in Sugarland, Texas.
What is Dr. John K. Tam's office phone number?
The practice phone on file for Dr. Tam is (713) 442-9100.
What is Dr. John K. Tam's medical license number?
Dr. Tam's Texas license number on file is J6759, one of the licenses on file in 2 states.
Which states has Dr. John K. Tam been licensed in?
Dmand AI has state licenses on file for Dr. Tam in Texas (1994 to 2025) and Pennsylvania (since 2012).
What medical group is Dr. John K. Tam part of?
Dr. Tam is linked to Kelsey-Seybold Clinic.
Where did Dr. John K. Tam go to medical school?
Dr. Tam graduated from McGovern Medical School in 1993.
What drugs does Dr. John K. Tam prescribe most?
In 2021 Medicare Part D data, Dr. Tam's most prescribed drugs by claims were Atorvastatin Calcium, Simvastatin and Amlodipine Besylate.
How long has Dr. John K. Tam been practicing?
Dr. Tam graduated from medical school in 1993, 33 years ago.
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