Alexander Kenneth Johnson, MD
Psychiatry Physician · Milwaukee, WI
Alexander Kenneth Johnson, MD is a psychiatry physician with a practice address in Milwaukee, Wisconsin, and NPI 1134783541, issued on May 1, 2019. Check the license (Wisconsin 1134783541, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Alexander Kenneth Johnson
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 1134783541 WI
Self-reported in NPPES; status is on the state search - Practice location
- 8701 W Watertown Plank RD, Milwaukee, WI 53226
- Phone
- (414) 955-8998
- Enumerated
- May 1, 2019
- Record last updated
- Sep 24, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20211029001789); accepts Medicare assignment
- Medical or professional school
- Medical College Of Wisconsin, 2019
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 929 in Wisconsin → Look up another NPI →
Also registered at 8701 W Watertown Plank RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Alexander Kenneth Johnson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 1134783541Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
26% more Medicare Part D claims than the average psychiatry physician in 2024
1,257 Medicare Part D claims for 141 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.
Most prescribed
- Quetiapine Fumarate92 claims
- Bupropion Xl91 claims
- Venlafaxine Hcl Er79 claims
- Trazodone Hcl75 claims
- Sertraline Hcl64 claims
- Duloxetine Hcl62 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 practice group's MIPS final score for 2023 (Medicare payment program): 82.4 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $678.48
28 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Pharmaceuticals, Inc. The 13,693 providers of this specialty with any payment received $4,954.93 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.
Bills Medicare through one group practice
- Ascension Medical Group-Southeast Wisconsin IncBrookfield, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Alexander Kenneth Johnson among 929 psychiatry physician records in Wisconsin
Alexander Kenneth Johnson, MD is one of 929 psychiatry physician records with a practice address in Wisconsin. 68% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 87% of them.
- NPI issued2019 · 87% of these records are older, 10% newer
- In a Medicare fileYes · 68% of these records are
- In the CMS Doctors and Clinicians fileYes · 47% of these records are
- Graduated2019 · median 2005 among the 439 with a school on file
- Record last updated2020 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychiatry Physician providers in Wisconsin
There are 929 psychiatry physician records in Wisconsin.
All 929 in Wisconsin → Every provider in Milwaukee → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Mary Alvarez, MDMilwaukee, WI 532261669424230
- Jon Berlin, MDMilwaukee, WI 532261174574529
- David Bresnahan, MDMilwaukee, WI 532261376595884
- Carlyle Chan, MDMilwaukee, WI 532261528019924
- Nancy Check, MDMilwaukee, WI 532261336190719
- John Lamberton, MDMilwaukee, WI 532261871544627
- Joseph Layde, MDMilwaukee, WI 532261265483770
- Hillard Moffic, MDMilwaukee, WI 532261932150687
Common questions
What is Alexander Kenneth Johnson, MD's NPI number?
Alexander Kenneth Johnson, MD's National Provider Identifier (NPI) is 1134783541, issued on May 1, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Alexander Kenneth Johnson, MD located?
The NPPES record lists a practice address at 8701 W Watertown Plank RD, Milwaukee, WI, 53226. Phone: (414) 955-8998. Providers update this record themselves, so call before visiting.
How can I verify Alexander Kenneth Johnson, MD's license?
NPPES lists Wisconsin license number 1134783541, 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 Alexander Kenneth Johnson, MD prescribe under Medicare Part D?
In 2024, Alexander Kenneth Johnson, MD had 1,257 Medicare Part D claims for 141 beneficiaries; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions only.
What is Alexander Kenneth Johnson, MD's MIPS final score?
The 2023 MIPS final score is 82.4 of 100, reported for the practice group. 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.