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THOMAS CHRISMAN MASTERS II MD
NPI 1740430016
Emergency Medicine - Undersea and Hyperbaric Medicine in Minneapolis, MN

Active since September 24, 2008PECOS EnrolledAccepts Medicare Assignment
91.42/100
CMS Quality Rating
701 PARK AVE, MINNEAPOLIS, MN 55415(612) 873-7420 Get Directions Write a Review

NPPES record last updated: April 8, 2019. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Thomas Chrisman Masters Ii Md NPPES

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

THOMAS CHRISMAN MASTERS II MD (NPI 1740430016) is an individual undersea and hyperbaric medicine provider in Minneapolis, Minnesota, licensed in Minnesota (57602) and active in the NPI registry since September 2008. He is enrolled in Medicare PECOS, is affiliated with Hennepin County Medical Center, and maintains a secondary practice location in Minneapolis.

NPPES Registry Identity

NPI1740430016
Entity TypeIndividualMale
Primary Taxonomy207PE0005X
Provider Legal NameTHOMAS CHRISMAN MASTERS IICredential: MD
Location Address701 PARK AVEMinneapolis, MN 55415
Mailing Address701 Park AveMinneapolis, MN 55415-1623 · (612) 873-7420
Phone(612) 873-7420
Sole ProprietorNo
Medical School CMSWright State University Boonshoft School Of MedicineGraduated 2008
Enumeration DateSeptember 24, 2008
Last NPPES UpdateApril 8, 2019
✔ NPI 1740430016 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyEmergency Medicine · Undersea and Hyperbaric MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207PE0005X
License✔ Licensed in MN · 57602
Definition
A specialist who treats decompression illness and diving accident cases and uses hyperbaric oxygen therapy to treat such conditions as carbon monoxide poisoning, gas gangrene, non-healing wounds, tissue damage from radiation and burns, and bone infections. This specialist also serves as a consultant to other physicians in all aspects of hyperbaric chamber operations, and assesses risks and applies appropriate standards to prevent disease and disability in divers and other persons working in altered atmospheric conditions.
Also ListedEmergency MedicineTaxonomy 207P00000X · License 57602 (MN)
701 PARK AVE, Minneapolis, MN 55415
Open in Google Maps ↗

Secondary Practice Location 1

Location 1701 Park AveMinneapolis, MN 55415 · Phone (612) 873-7420

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include HealthPartners, Wellmark Health Plan of Iowa, Inc., Wellmark of South Dakota, Inc..Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Thomas Chrisman Masters Ii Md 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 ID5193857308
PECOS Enrollment IDI20140617000326
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.

Medicare Billing Reassignments

5

Medicare enrollment records show Thomas Masters reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Hennepin Healthcare System, Inc
Same address
Rehabilitation Unit
701 PARK AVE, P1-FINANCE
Minneapolis, MN 55415
  • Reassigned Medicare billing, Minnesota enrollment
  • 1,247 clinicians in this Medicare group
NPI 1033138136 (612) 873-3000
City Of Brookings
171 mi
Rural Health
302 E 5TH STREET
White, SD 57276
  • Reassigned Medicare billing, South Dakota enrollment
  • 156 clinicians in this Medicare group
NPI 1912279829 (605) 696-9000
Cedar Falls Emergency Physicians, LLC
173 mi
Emergency Medicine
515 COLLEGE ST
Cedar Falls, IA 50613
  • Reassigned Medicare billing, Iowa enrollment
  • 37 clinicians in this Medicare group
NPI 1255146155 (319) 268-3000
Waterloo Emergency Physicians, LLC
179 mi
Emergency Medicine
3421 W 9TH ST
Waterloo, IA 50702
  • Reassigned Medicare billing, Iowa enrollment
  • 48 clinicians in this Medicare group
NPI 1649013038 (319) 272-8000
Southeast Iowa Regional Medical Center, Inc.
306 mi
Family Planning, Non-Surgical
801 S ROOSEVELT AVE STE C
Burlington, IA 52601
  • Reassigned Medicare billing, Iowa enrollment
  • 253 clinicians in this Medicare group
NPI 1962077230 (319) 768-1225

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 6

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.

Management of oxygen chamber therapy 99183
Oxygen chamber therapy involves breathing pure oxygen in a pressurized room or tube. It's used to treat various conditions like wounds that won't heal due to diabetes or radiation injury. In this therapy, your body's tissues get more oxygen to promote healing and fight infection.
176 services39 patients
Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
23 services22 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
19 services19 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
16 services16 patients
Injection of agent into vein to assess blood flow of skin graft or flap 15860
This procedure involves injecting a special substance into your vein to evaluate the blood flow in a skin graft or flap. The substance helps to highlight the blood vessels under imaging, providing a clear picture of how well the graft or flap is receiving blood supply.
15 services12 patients
Ultrasound of heart, follow-up 93308
A follow-up ultrasound of the heart, also known as an echocardiogram, is a non-invasive test that uses sound waves to create images of your heart. It helps doctors monitor your heart's function and structures after initial assessment or treatment.
11 services11 patients

Hospital Affiliations CMS Care Compare

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

Hennepin County Medical Center

Acute Care Hospitals · Minneapolis, MN
2/5 CMS rating
OwnershipGovernment - Local
CMS Certification Number240004
Location701 Park AvenueMinneapolis, MN 55415 · Hennepin County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 55415 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
$85.82 typical visit price
range $56.00 – $168.28
Typical copayment $21.45 (range $14.00 – $42.07)
Most-billed visit code 99203
Established Patient
$98.61 typical visit price
range $18.32 – $138.04
Typical copayment $24.65 (range $4.58 – $34.51)
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

91.42/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality78.78
Promoting Interoperability100
Improvement Activities40
Cost62.8

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.

DR. MICHAEL CHARLES HARLOW MD
Psychiatry & Neurology (Psychiatry)
701 PARK AVE
MINNEAPOLIS, MN 55415
Hennepin County (612) 873-3000
DANIEL HART
Emergency Medicine
701 PARK AVE
MINNEAPOLIS, MN 55415
Hennepin County (612) 873-3000
GEORGE NOESEN
Dentist (Oral and Maxillofacial Surgery)
701 PARK AVE
MINNEAPOLIS, MN 55415
Hennepin County (612) 873-3000
MRS. CARMODY ALICE SIME LPCC, LADC
Counselor (Professional)
701 PARK AVE
MINNEAPOLIS, MN 55415
Hennepin County (612) 432-2008
MR. JUSTIN GREGORY SCHULZ MD
Student in an Organized Health Care Education/Training Program
701 PARK AVE
MINNEAPOLIS, MN 55415
Hennepin County (612) 873-3000
EVAN SMITH
Emergency Medicine
701 PARK AVE
MINNEAPOLIS, MN 55415
Hennepin County (612) 873-3000
ALEXA M LYON MD
Student in an Organized Health Care Education/Training Program
701 PARK AVE
MINNEAPOLIS, MN 55415
Hennepin County (612) 873-3000
SUMEDHA REDDY BANDI DO
Student in an Organized Health Care Education/Training Program
701 PARK AVE
MINNEAPOLIS, MN 55415
Hennepin County (612) 873-3000

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 Thomas Masters's NPI number?

The NPI number for Thomas Masters is 1740430016. It was assigned to this individual provider in the NPPES registry on September 24, 2008.

Where is Thomas Masters located?

Thomas Masters practices at 701 Park Ave, Minneapolis, MN 55415. The listed phone number is (612) 873-7420.

What is Thomas Masters's specialty?

The primary specialty registered for this NPI is Emergency Medicine, specializing in Undersea and Hyperbaric Medicine, with taxonomy code 207PE0005X.

Is Thomas Masters enrolled in Medicare?

Yes. Thomas Masters 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.

Which organizations bill Medicare for Thomas Masters's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Thomas Masters reassigns Medicare benefits to 5 organizations: Hennepin Healthcare System, Inc (Minneapolis, MN), City Of Brookings (White, SD), Cedar Falls Emergency Physicians, LLC (Cedar Falls, IA), Waterloo Emergency Physicians, LLC (Waterloo, IA) and Southeast Iowa Regional Medical Center, Inc. (Burlington, IA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Thomas Masters's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Thomas Masters accept?

Health plans from HealthPartners, Wellmark Health Plan of Iowa, Inc. and Wellmark of South Dakota, Inc. list Thomas Masters 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 Thomas Masters affiliated with any hospitals?

According to CMS data, Thomas Masters is affiliated with Hennepin County Medical Center.

When was this NPI record last updated?

The NPPES record for Thomas Masters was last updated on April 8, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.