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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MR. ROBERT SHAYNE BESANCENEZ MD
NPI 1740984673
Family Medicine in Saint Louis, MO

Active since March 27, 2023PECOS Enrolled
401 HOLLY HILLS AVE, SAINT LOUIS, MO 63111(314) 353-5190(314) 353-7631 Get Directions Write a Review

NPPES record last updated: September 17, 2026. Verified against the NPPES registry weekly; last sync: October 04, 2026.

Record update history: Sep 17, 2026, Jul 15, 2026, Mar 27, 2023 (3 updates tracked since 2023).

About Mr. Robert Shayne Besancenez Md NPPES

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

MR. ROBERT SHAYNE BESANCENEZ MD (NPI 1740984673) is an individual family medicine provider in Saint Louis, Missouri, licensed in Missouri (2026045500) and active in the NPI registry since March 2023. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1740984673
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameMR. ROBERT SHAYNE BESANCENEZCredential: MD
Location Address401 HOLLY HILLS AVESaint Louis, MO 63111-2410
Mailing Address3824 S Grand BlvdSaint Louis, MO 63118-3412 · (314) 814-8180 · Fax (314) 814-8188
Phone(314) 353-5190
Fax(314) 353-7631
Sole ProprietorNo
Enumeration DateMarch 27, 2023
Last NPPES UpdateSeptember 17, 20263 updates tracked since enumeration
NPPES CertifiedSeptember 17, 2026
✔ NPI 1740984673 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in MO · 2026045500
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
401 HOLLY HILLS AVE, Saint Louis, MO 63111
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mr. Robert Shayne Besancenez Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63111 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.

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. LEXI KATHLEEN WISCH PT, DPT
Physical Therapist
401 HOLLY HILLS AVE
SAINT LOUIS, MO 63111
St. Louis City (314) 353-5190
DR. DANIEL RALPH BERG MD
Internal Medicine
401 HOLLY HILLS AVE
SAINT LOUIS, MO 63111
St. Louis City (314) 353-5190
MRS. JINA LEE MCATEE MD
Pediatrics
401 HOLLY HILLS AVE
SAINT LOUIS, MO 63111
St. Louis City (314) 353-5190
GWYN MAHONY HADEED D.O.
Family Medicine
401 HOLLY HILLS AVE
SAINT LOUIS, MO 63111
St. Louis City (314) 353-5190
ARIEL MARIE JONES DC
Chiropractor
401 HOLLY HILLS AVE
SAINT LOUIS, MO 63111
St. Louis City (314) 353-5190
SAVANNAH JOY WINNINGHAM LMSW
Social Worker (Clinical)
401 HOLLY HILLS AVE
SAINT LOUIS, MO 63111
St. Louis City (314) 834-2273
MS. ASHNA MAHADEV MD
Student in an Organized Health Care Education/Training Program
401 HOLLY HILLS AVE
SAINT LOUIS, MO 63111
St. Louis City (314) 353-5190
MARIE HARLA RD
Dietitian, Registered
401 HOLLY HILLS AVE
SAINT LOUIS, MO 63111
St. Louis City (314) 353-5190

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 Robert Besancenez's NPI number?

The NPI number for Robert Besancenez is 1740984673. It was assigned to this individual provider in the NPPES registry on March 27, 2023.

Where is Robert Besancenez located?

Robert Besancenez practices at 401 Holly Hills Ave, Saint Louis, MO 63111. The listed phone number is (314) 353-5190.

What is Robert Besancenez's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Robert Besancenez enrolled in Medicare?

Yes. Robert Besancenez is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Robert Besancenez was last updated on September 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.