1. Home
  2. Directory
  3. Missouri
  4. Saint Louis
  5. Internal Medicine
  6. NPI Profile

STEVEN J. TROTTIER M.D.
NPI 1699832923
Internal Medicine - Critical Care Medicine in Saint Louis, MO

Active since January 03, 2007PECOS EnrolledAccepts Medicare Assignment
621 S NEW BALLAS RD, SUITE 4006-B, SAINT LOUIS, MO 63141(314) 251-6486(314) 251-4155 Get Directions Write a Review

NPPES record last updated: September 23, 2015. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Steven J. Trottier M.d. NPPES

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

STEVEN J. TROTTIER M.D. (NPI 1699832923) is an individual critical care medicine provider in Saint Louis, Missouri, licensed in Missouri (R1J42) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS, is affiliated with Unc Health Nash, and is a graduate of Other (1986).

NPPES Registry Identity

NPI1699832923
Entity TypeIndividualMale
Primary Taxonomy207RC0200X
Provider Legal NameSTEVEN J. TROTTIERCredential: M.D.
Location Address621 S NEW BALLAS RD, SUITE 4006-BSaint Louis, MO 63141-8232
Mailing Address621 S New Ballas Rd, Suite 4006-bSaint Louis, MO 63141-8232 · (314) 251-6486 · Fax (314) 251-4155
Phone(314) 251-6486
Fax(314) 251-4155
Sole ProprietorNo
Medical School CMSOtherGraduated 1986
Enumeration DateJanuary 3, 2007
Last NPPES UpdateSeptember 23, 2015
✔ NPI 1699832923 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Critical Care MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RC0200X
License✔ Licensed in MO · R1J42
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.
621 S NEW BALLAS RD, Saint Louis, MO 63141
Open in Google Maps ↗

Other Identifiers 4

OtherP00283510MO · Railroad Medicare
Medicaid1699832923MO
Medicare UPINE39561
Medicare PIN002014643MO

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arkansas Health & Wellness, Ambetter from Home State Health, Ambetter from Sunflower Health Plan and more.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

Steven J. Trottier 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 ID6305875675
PECOS Enrollment IDI20050808000039, I20240801001130
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 3

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, 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.
58 services35 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.
50 services20 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.
15 services12 patients

Hospital Affiliations CMS Care Compare

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

Unc Health Nash

Acute Care Hospitals · Rocky Mount, NC
4/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number340147
Location2460 Curtis Ellis DriveRocky Mount, NC 27804 · Nash County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63141 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
$128.28 typical visit price
range $55.65 – $169.38
Typical copayment $32.07 (range $13.91 – $42.34)
Most-billed visit code 99204
Established Patient
$98.37 typical visit price
range $17.76 – $137.92
Typical copayment $24.59 (range $4.44 – $34.48)
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.

STEPHANIE LYNN SHOREY WHNP-BC
Nurse Practitioner (Women's Health)
621 S NEW BALLAS RD, SUITE 2007B
SAINT LOUIS, MO 63141
St. Louis County (314) 991-5000
DR. KATHRYN BOTNEY M.D.
Obstetrics & Gynecology
621 S NEW BALLAS RD, SUITE 4005
SAINT LOUIS, MO 63141
St. Louis County (314) 567-5016
HUILIN LI M.D.
Internal Medicine
621 S NEW BALLAS RD, SUITE 3016B
SAINT LOUIS, MO 63141
St. Louis County (314) 251-6339
LUIS A GIUFFRA LLC
Psychiatry & Neurology (Psychiatry)
621 S NEW BALLAS RD, SUITE 398A
SAINT LOUIS, MO 63141
St. Louis County (314) 251-7720
JOSEPH G HERRMANN MD LLC
Specialist
621 S NEW BALLAS RD, SUITE 419A
SAINT LOUIS, MO 63141
St. Louis County (314) 432-0056
KAREN KILO RN, CDE, RD
Nutritionist (Nutrition, Education)
621 S NEW BALLAS RD, SUITE 460A
SAINT LOUIS, MO 63141
St. Louis County (314) 251-4330
KATINA M CANDEE PA-C
Physician Assistant
621 S NEW BALLAS RD, SUITE 483A
SAINT LOUIS, MO 63141
St. Louis County (314) 251-2095
DR. PETER KONG-WOO YOON M.D.
Specialist
621 S NEW BALLAS RD, STE 297A
SAINT LOUIS, MO 63141
St. Louis County (314) 251-6364

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 Steven Trottier's NPI number?

The NPI number for Steven Trottier is 1699832923. It was assigned to this individual provider in the NPPES registry on January 3, 2007.

Where is Steven Trottier located?

Steven Trottier practices at 621 S New Ballas Rd Suite 4006-B, Saint Louis, MO 63141. The listed phone number is (314) 251-6486.

What is Steven Trottier's specialty?

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

Is Steven Trottier enrolled in Medicare?

Yes. Steven Trottier 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 Steven Trottier accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Arkansas Health & Wellness, Ambetter from Home State Health and Ambetter from Sunflower Health Plan and 7 other insurers list Steven Trottier 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 Steven Trottier affiliated with any hospitals?

According to CMS data, Steven Trottier is affiliated with Unc Health Nash.

When was this NPI record last updated?

The NPPES record for Steven Trottier was last updated on September 23, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.