Kristi Lynn Maso, M.D.
Critical Care Medicine (Internal Medicine) Physician · Milwaukee, WI
Kristi Lynn Maso, M.D. is a critical care medicine (internal medicine) physician with a practice address in Milwaukee, Wisconsin, and NPI 1841588936, issued on Jul 11, 2011. Check the license (Wisconsin 65388, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Kristi Lynn Maso
- Credential
- M.D.
- Primary taxonomy
- Critical Care Medicine (Internal Medicine) Physician 207RC0200X
- License numbers
- 65388 WI
4301098788 MI
Self-reported in NPPES; status is on the state search - Practice location
- 945 N 12TH St, Milwaukee, WI 53233
- Phone
- (414) 519-2000
- Enumerated
- Jul 11, 2011
- Record last updated
- Mar 3, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicaid ID
- 1841588936 WI
- Medicare enrollment
- Enrolled (PECOS I20160701000064); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest critical care medicine (internal medicine) physician records → All 134 in Wisconsin → Look up another NPI →
Also registered at 945 N 12TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ahmed Abdelmagid, M.D.Critical Care Medicine (Internal Medicine) Physician1144589383
- Mohammad Abdul AzeemNeurology Physician1295229797
- Ibrahim Abu-ArqoubPharmacist1033539390
- Stephanie Adamczyk, PAPhysician Assistant1063007441
- Shant Adamian, DOObstetrics & Gynecology Physician1952861668
- Ola AhmadStudent in an Organized Health Care Education/Training Program1629871645
Verify Kristi Lynn Maso in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 65388Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Midwest Critical Care SCBrookfield, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kristi Lynn Maso among 134 critical care medicine (internal medicine) physician records in Wisconsin
Kristi Lynn Maso, M.D. is one of 134 critical care medicine (internal medicine) physician records with a practice address in Wisconsin. 89% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 51% of them.
- NPI issued2011 · 51% of these records are older, 48% newer
- In a Medicare fileYes · 89% of these records are
- In the CMS Doctors and Clinicians fileYes · 81% of these records are
- Graduated2011 · median 2008 among the 108 with a school on file
- Record last updated2021 · 32% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0200X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Critical Care Medicine (Internal Medicine) Physician providers in Wisconsin
There are 134 critical care medicine (internal medicine) physician records in Wisconsin.
All 134 in Wisconsin → Every provider in Milwaukee → Critical Care Medicine (Internal Medicine) Physician nationwide →
The 8 critical care medicine (internal medicine) physician records with the nearest ZIP codes
- Ahmed Abdelmagid, M.D.Milwaukee, WI 532331144589383
- Argyro Hatseras, M.D.Milwaukee, WI 532331194791871
- Michael Peliska, MDWest Allis, WI 532271861923765
- Paul Stevenson, M.D.West Allis, WI 532271386021970
- Tara Zehrer, MDWest Allis, WI 532271457745887
- Christofer Barth, MDMilwaukee, WI 532261609839554
- Mrigank Gupta, MDMilwaukee, WI 532261053816488
- Jacob Jentzer, M.D.Milwaukee, WI 532261538334628
Common questions
What is Kristi Lynn Maso, M.D.'s NPI number?
Kristi Lynn Maso, M.D.'s National Provider Identifier (NPI) is 1841588936, issued on Jul 11, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Kristi Lynn Maso, M.D. located?
The NPPES record lists a practice address at 945 N 12TH St, Milwaukee, WI, 53233. Phone: (414) 519-2000. Providers update this record themselves, so call before visiting.
How can I verify Kristi Lynn Maso, M.D.'s license?
NPPES lists Wisconsin license number 65388, 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.
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.