John C. Christianson, M.D
Infectious Disease Physician · Milwaukee, WI
John C. Christianson, M.D is an infectious disease physician with a practice address in Milwaukee, Wisconsin, and NPI 1114021151, issued on Sep 11, 2006. Check the license (Wisconsin 27387, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- John C. Christianson
- Credential
- M.D
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License number
- 27387 WI
Self-reported in NPPES; status is on the state search - Practice location
- 2025 W Oklahoma Ave, Milwaukee, WI 53215
- Phone
- (414) 647-1537
- Enumerated
- Sep 11, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (414) 647-1560
- Medicaid ID
- 30728300 WI
- Medicare enrollment
- Enrolled (PECOS I20040122000677); accepts Medicare assignment
- Medical or professional school
- Medical College Of Wisconsin, 1983
- Entity
- Type 1 · individual
8 nearest infectious disease physician records → All 171 in Wisconsin → Look up another NPI →
Also registered at 2025 W Oklahoma Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify John C. Christianson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 27387Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
24% more Medicare Part D claims than the average infectious disease physician in 2024
854 Medicare Part D claims for 137 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.
Most prescribed
- Doxycycline Hyclate87 claims
- Ceftriaxone72 claims
- Ethambutol Hcl72 claims
- Vancomycin Hcl63 claims
- Cefazolin Sodium55 claims
- Azithromycin43 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.
The MIPS final score for 2023 (Medicare payment program): 96.5 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $103.06
5 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 3,895 providers of this specialty with any payment received $4,362.19 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
John C. Christianson among 171 infectious disease physician records in Wisconsin
John C. Christianson, M.D is one of 171 infectious disease physician records with a practice address in Wisconsin. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 53% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated1983 · median 2004 among the 125 with a school on file
- Record last updated2007 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Infectious Disease Physician providers in Wisconsin
There are 171 infectious disease physician records in Wisconsin.
All 171 in Wisconsin → Every provider in Milwaukee → Infectious Disease Physician nationwide →
The 8 infectious disease physician records with the nearest ZIP codes
- Francisco Aguilar, M.D.Milwaukee, WI 532151326197831
- Sol Del Mar Aldrete Audiffred, M.D.Milwaukee, WI 532151396059838
- Charles Brummitt, M.D.Milwaukee, WI 532151528063104
- Brian Buggy, M.D.Milwaukee, WI 532151578549713
- Jairo Eraso, M.D.Milwaukee, WI 532151760664940
- Minhaj Husain, M.D.Milwaukee, WI 532151265639397
- Leon Jackson, M.D.Milwaukee, WI 532151144370073
- Abdur Khan, MDMilwaukee, WI 532151780675439
Common questions
What is John C. Christianson, M.D's NPI number?
John C. Christianson, M.D's National Provider Identifier (NPI) is 1114021151, issued on Sep 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John C. Christianson, M.D located?
The NPPES record lists a practice address at 2025 W Oklahoma Ave, Milwaukee, WI, 53215. Phone: (414) 647-1537. Providers update this record themselves, so call before visiting.
How can I verify John C. Christianson, M.D's license?
NPPES lists Wisconsin license number 27387, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does John C. Christianson, M.D prescribe under Medicare Part D?
In 2024, John C. Christianson, M.D had 854 Medicare Part D claims for 137 beneficiaries; the average among infectious disease physician prescribers was 689. Part D covers Medicare prescriptions only.
What is John C. Christianson, M.D's MIPS final score?
The 2023 MIPS final score is 96.5 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.