KRISTI LYNN MASO M.D.
NPI 1841588936
Internal Medicine - Critical Care Medicine in Milwaukee, WI

Active since July 11, 2011PECOS EnrolledAccepts Medicare Assignment
945 N 12TH ST, MILWAUKEE, WI 53233(414) 519-2000 Get Directions Write a Review

NPPES record last updated: March 3, 2021. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Mar 3, 2021, Nov 16, 2020 (2 updates tracked since 2020).

About Kristi Lynn Maso M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

KRISTI LYNN MASO M.D. (NPI 1841588936) is an individual critical care medicine provider in Milwaukee, Wisconsin, licensed in Wisconsin (65388) and active in the NPI registry since July 2011. She is enrolled in Medicare PECOS, is affiliated with Ascension Columbia St Mary's Hospital Milwaukee, and maintains a secondary practice location in Milwaukee.

NPPES Registry Identity

NPI1841588936
Entity TypeIndividualFemale
Primary Taxonomy207RC0200X
Provider Legal NameKRISTI LYNN MASOCredential: M.D.
Location Address945 N 12TH STMilwaukee, WI 53233-1305
Mailing Address3301 W Forest Home AveMilwaukee, WI 53215-2843 · (414) 389-2131
Sole ProprietorNo
Medical School CMSOtherGraduated 2011
Enumeration DateJuly 11, 2011
Last NPPES UpdateMarch 3, 20212 updates tracked since enumeration
NPPES CertifiedMarch 3, 2021
NPI 1841588936 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal Medicine · Critical Care MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RC0200X
License Licensed in WI · 65388
Definition
An internist who diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.
Also ListedEmergency MedicineTaxonomy 207P00000X · License 65388 (WI), 4301098788 (MI)
945 N 12TH ST, Milwaukee, WI 53233

Secondary Practice Location 1

Location 19200 W Wisconsin Ave, Critical Care MedicineMilwaukee, WI 53226-3522 · Phone (414) 955-7040 · Fax (414) 955-6211

Other Identifiers 1

Medicaid1841588936WI

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Kristi Lynn Maso M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5597081331
PECOS Enrollment IDI20160701000064
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 5

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Critical care, each additional 30 minutes 99292
Critical care refers to special attention given to patients facing life-threatening conditions. Each additional 30 minutes indicates the extension of this specialized care. This might include close monitoring, medication adjustments, and immediate interventions as needed.
310 services89 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
243 services123 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
102 services70 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
21 services21 patients
Insertion of non-tunneled central venous tube for infusion (5 years or older) 36556
This procedure involves placing a thin tube into a large vein, usually in the neck or chest, to administer medication or fluids. It's done under local anesthesia to minimize discomfort. It's a standard, safe procedure for individuals aged 5 and above.
13 services13 patients

Hospital Affiliations CMS Care Compare 4

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Ascension Columbia St Mary's Hospital Milwaukee

Acute Care Hospitals · Milwaukee, WI
3/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number520051
Location2323 N Lake DrMilwaukee, WI 53211 · Milwaukee County
Emergency services Birthing friendly

Ascension St Francis Hospital

Acute Care Hospitals · Milwaukee, WI
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520078
Location3237 S 16th StMilwaukee, WI 53215 · Milwaukee County
Emergency services

Ascension All Saints Hospital

Acute Care Hospitals · Racine, WI
3/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number520096
Location3801 Spring StRacine, WI 53405 · Racine County
Emergency services Birthing friendly

Ascension SE Wisconsin Hospital

Acute Care Hospitals · Milwaukee, WI
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number520136
Location5000 W Chambers StMilwaukee, WI 53210 · Milwaukee County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53233 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$123.69 typical visit price
range $53.90 – $163.24
Typical copayment $30.92 (range $13.47 – $40.81)
Most-billed visit code 99204
Established Patient
$95.41 typical visit price
range $17.40 – $133.76
Typical copayment $23.85 (range $4.35 – $33.44)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Student in an Organized Health Care Education/Training Program
945 N 12TH ST
MILWAUKEE, WI 53233
Family Medicine
945 N 12TH ST
MILWAUKEE, WI 53233
Nurse Practitioner
945 N 12TH ST
MILWAUKEE, WI 53233
Physician Assistant
945 N 12TH ST
MILWAUKEE, WI 53233
Emergency Medicine
945 N 12TH ST
MILWAUKEE, WI 53233
Registered Nurse
945 N 12TH ST
MILWAUKEE, WI 53233
Registered Nurse (Registered Nurse First Assistant)
945 N 12TH ST
MILWAUKEE, WI 53233
Clinic/Center (Federally Qualified Health Center (FQHC))
945 N 12TH ST, URGENT CARE
MILWAUKEE, WI 53233

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Kristi Maso's NPI number?

The NPI number for Kristi Maso is 1841588936. It was assigned to this individual provider in the NPPES registry on July 11, 2011.

Where is Kristi Maso located?

Kristi Maso practices at 945 N 12th St, Milwaukee, WI 53233. The listed phone number is (414) 519-2000.

What is Kristi Maso's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.

Is Kristi Maso enrolled in Medicare?

Yes. Kristi Maso is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Kristi Maso accept?

Health plans from Anthem Blue Cross and Blue Shield and CareSource (Common Ground Healthcare) list Kristi Maso as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Kristi Maso affiliated with any hospitals?

According to CMS data, Kristi Maso is affiliated with Ascension Columbia St Mary's Hospital Milwaukee, Ascension St Francis Hospital, Ascension All Saints Hospital and Ascension SE Wisconsin Hospital.

When was this NPI record last updated?

The NPPES record for Kristi Maso was last updated on March 3, 2021. NPI Profile syncs with the weekly NPPES data releases published by CMS.