Dr. John T. Bjork, MD
- Medicare services, 2019
- 63
- Part D claims, 2019
- 115
- Industry payments
- $581
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 9200 W Wisconsin Ave, Milwaukee, WI 53226-3522
- Practice phone
- Call (414) 955-6830
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Bjork'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 T. Bjork is a gastroenterologist in Milwaukee, Wisconsin
Dr. Bjork practices in Milwaukee, Wisconsin.
Dr. Bjork's NPI, 1538121512, was assigned on April 5, 2006. Dr. Bjork holds Wisconsin license 18986.
- NPI
- 1538121512NPI Registry (opens in a new tab)
- NPI enumeration date
- April 5, 2006
- NPI status
- Active
- Practice phone
- (414) 955-6830
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. John T. Bjork's practice address is in Milwaukee, Wisconsin
Dr. Bjork's practice address in the NPI Registry is 9200 W Wisconsin Ave, Milwaukee, WI 53226-3522. The practice phone is (414) 955-6830.
- NPI Registry address9200 W Wisconsin Ave, Milwaukee, WI 53226-3522Phone(414) 955-6830
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. John T. Bjork's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Bjork practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Bjork's practice | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John T. Bjork is one of 277 gastroenterologists in Wisconsin
Gastroenterology is Dr. Bjork's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Bjork is licensed in Wisconsin.
Specialties and state licenses
- Gastroenterology, WisconsinPrimary
Gastroenterologists near Dr. Bjork
Counts of gastroenterologists 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 T. Bjork billed Medicare for 63 services in 2019
CMS data shows 63 Medicare services from Dr. Bjork across 4 procedure codes in 2019. Medicare paid $3,465 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Bjork's Medicare services by type, 2018 to 2019
- 2018
- 2019
- Office and hospital visits
- 2018: 1102019: 3965%
- Surgery
- 2018: 322019: 1359%
- Other services
- 2018: 02019: 11
Dr. Bjork compared with the Wisconsin median for gastroenterologists, 2019
- Dr. Bjork
- Wisconsin median
- Medicare services
- 63vs 32981% below
- Part D claims
- 115vs 42973% below
Medians across 278 gastroenterologists in Wisconsin with Dmand AI profiles that report each measure.
Dr. Bjork's most billed Medicare procedure codes, 2019
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Bjork and other gastroenterologists in Wisconsin.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John T. Bjork's patients have a median age of 47
Across all payers, Dmand AI patient panel data puts Dr. Bjork's median patient age at 47, with 50% women.
Dr. Bjork's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 47
Patient panel by sex, all payers
- Women50%
- Men50%
Source: Dmand AI Patient Panel Data
Dr. John T. Bjork wrote 115 Medicare Part D claims in 2019
In 2019, Dr. Bjork wrote 115 Medicare Part D claims. They cover 7 drugs, with $26,411 in total drug cost. In 2018, CMS named 157 claims across 7 drugs.
Dr. Bjork's most prescribed drugs by claims, 2019
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, 2018 to 2019
- 2018
- 2019
- Claims for drugs CMS names
- 2018: 1572019: 11527%
Drugs named by CMS: 7 in 2019, 7 in 2018.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. John T. Bjork received $581 in industry payments from 2017 to 2025
CMS Open Payments shows 7 general payments to Dr. Bjork from 6 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 98% of the total. Aries Pharmaceuticals, Inc. paid the most, $251.
General payments to Dr. Bjork by program year, 2017 to 2025
General payments to Dr. Bjork by kind, 2017 to 2025
- Food and beverage$56798%
- Education$152%
Companies that paid Dr. Bjork the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. John T. Bjork'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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 T. Bjork
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 T. Bjork's NPI number?
Dr. John T. Bjork's NPI number is 1538121512. It was assigned on April 5, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John T. Bjork?
Dr. John T. Bjork is a gastroenterologist in Milwaukee, Wisconsin. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. John T. Bjork practice?
Dr. Bjork practices at 9200 W Wisconsin Ave, Milwaukee, WI 53226-3522.
What is Dr. John T. Bjork's office phone number?
The practice phone on file for Dr. Bjork is (414) 955-6830.
What is Dr. John T. Bjork's medical license number?
Dr. Bjork holds Wisconsin license 18986.
Does Dr. John T. Bjork accept Medicare?
Yes. CMS data shows Dr. Bjork billed Medicare for 63 services in 2019.
What services does Dr. John T. Bjork bill to Medicare?
In 2019, Dr. Bjork's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and surgery: digestive system (45380).
What drugs does Dr. John T. Bjork prescribe most?
In 2019 Medicare Part D data, Dr. Bjork's most prescribed drugs by claims were Gavilyte-G, Linzess and Omeprazole.
Has Dr. John T. Bjork received payments from drug or device companies?
CMS Open Payments shows $581 in general payments to Dr. Bjork from 6 companies from 2017 to 2025. The largest total came from Aries Pharmaceuticals, Inc.
How long has Dr. John T. Bjork been practicing?
Dr. Bjork's NPI was assigned in 2006.
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