1. Home
  2. Directory
  3. Missouri
  4. Saint Louis
  5. Nurse Practitioner
  6. NPI Profile
Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MRS. ANN MARIE BAYNE NP
NPI 1154873180
Nurse Practitioner - Adult Health in Saint Louis, MO

Active since October 25, 2016PECOS EnrolledAccepts Medicare Assignment
82.1/100
CMS Quality Rating
621 S NEW BALLAS RD STE 228A, SAINT LOUIS, MO 63141(314) 251-4966(314) 251-4588 Get Directions Write a Review

NPPES record last updated: July 7, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Jul 7, 2026, Mar 11, 2019, Oct 25, 2016 (3 updates tracked since 2016).

About Mrs. Ann Marie Bayne Np NPPES

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

MRS. ANN MARIE BAYNE NP (NPI 1154873180) is an individual adult health provider in Saint Louis, Missouri, licensed in Missouri (2016038189) and active in the NPI registry since October 2016. She is enrolled in Medicare PECOS, is affiliated with Missouri Baptist Medical Center, and is a graduate of Other (2016).

NPPES Registry Identity

NPI1154873180
Entity TypeIndividualFemale
Primary Taxonomy363LA2200X
Provider Legal NameMRS. ANN MARIE BAYNECredential: NP
Location Address621 S NEW BALLAS RD STE 228ASaint Louis, MO 63141-8256
Mailing Address621 S New Ballas Rd Ste 228aSaint Louis, MO 63141-8256 · (314) 251-4966 · Fax (314) 251-4588
Phone(314) 251-4966
Fax(314) 251-4588
Sole ProprietorNo
Medical School CMSOtherGraduated 2016
Enumeration DateOctober 25, 2016
Last NPPES UpdateJuly 7, 20263 updates tracked since enumeration
NPPES CertifiedJuly 7, 2026
✔ NPI 1154873180 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Adult HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2200X
License✔ Licensed in MO · 2016038189
621 S NEW BALLAS RD STE 228A, Saint Louis, MO 63141
Open in Google Maps ↗

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

Mrs. Ann Marie Bayne Np 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 ID446537302
PECOS Enrollment IDI20170501002233
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.

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
26 services26 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
16 services16 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
14 services14 patients

Hospital Affiliations CMS Care Compare

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

Missouri Baptist Medical Center

Acute Care Hospitals · Town And Country, MO
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number260108
Location3015 N Ballas RdTown And Country, MO 63131 · St. Louis 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
$86.32 typical visit price
range $55.65 – $169.38
Typical copayment $21.58 (range $13.91 – $42.34)
Most-billed visit code 99203
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.

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.

82.1/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality82.14
Promoting Interoperability100
Improvement Activities20
Cost74.23

Other Providers at the Same Location NPPES 3

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

ARMIN KRVAVAC M.D.
Internal Medicine (Critical Care Medicine)
621 S NEW BALLAS RD STE 228A
SAINT LOUIS, MO 63141
St. Louis County (314) 251-4966
MR. TIMOTHY BRENT KELL NP
Nurse Practitioner (Adult Health)
621 S NEW BALLAS RD STE 228A
SAINT LOUIS, MO 63141
St. Louis County (314) 251-4966
JOHNATHAN SCHNEE FAGG MD
Internal Medicine (Pulmonary Disease)
621 S NEW BALLAS RD STE 228A
SAINT LOUIS, MO 63141
St. Louis County (314) 251-4968

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 Ann Bayne's NPI number?

The NPI number for Ann Bayne is 1154873180. It was assigned to this individual provider in the NPPES registry on October 25, 2016.

Where is Ann Bayne located?

Ann Bayne practices at 621 S New Ballas Rd Ste 228A, Saint Louis, MO 63141. The listed phone number is (314) 251-4966.

What is Ann Bayne's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.

Is Ann Bayne enrolled in Medicare?

Yes. Ann Bayne 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.

Is Ann Bayne affiliated with any hospitals?

According to CMS data, Ann Bayne is affiliated with Missouri Baptist Medical Center.

When was this NPI record last updated?

The NPPES record for Ann Bayne was last updated on July 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 50 days 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.