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DR. MARIEL OLIVIA WATKINS MD
NPI 1194348540
Otolaryngology in Creve Coeur, MO

Active since May 20, 2020PECOS Enrolled
1044 N MASON RD, DEPT OTOLARYNGOLOGY, STE L10, CREVE COEUR, MO 63141(314) 996-3880(314) 996-8610 Get Directions Write a Review

NPPES record last updated: August 22, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Aug 12, 2025, Aug 6, 2025, May 20, 2020 (3 updates tracked since 2020).

About Dr. Mariel Olivia Watkins Md NPPES

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

DR. MARIEL OLIVIA WATKINS MD (NPI 1194348540) is an individual otolaryngology provider in Creve Coeur, Missouri, licensed in Missouri (2025029374) and active in the NPI registry since May 2020. She is enrolled in Medicare PECOS, is affiliated with Barnes Jewish Hospital, and maintains a secondary practice location in Saint Louis.

NPPES Registry Identity

NPI1194348540
Entity TypeIndividualFemale
Primary Taxonomy207Y00000X
Provider Legal NameDR. MARIEL OLIVIA WATKINSCredential: MD
Location Address1044 N MASON RD, DEPT OTOLARYNGOLOGY, STE L10Creve Coeur, MO 63141-6431
Mailing AddressPo Box 7412011Chicago, IL 60674-2011 · (314) 996-3880 · Fax (314) 996-8610
Phone(314) 996-3880
Fax(314) 996-8610
Sole ProprietorNo
Medical School CMSMeharry Medical College School Of MedicineGraduated 2020
Enumeration DateMay 20, 2020
Last NPPES UpdateAugust 22, 20253 updates tracked since enumeration
NPPES CertifiedAugust 22, 2025
✔ NPI 1194348540 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyOtolaryngologyAllopathic & Osteopathic Physicians
Taxonomy Code207Y00000X
License✔ Licensed in MO · 2025029374
Definition
An otolaryngologist-head and neck surgeon provides comprehensive medical and surgical care for patients with diseases and disorders that affect the ears, nose, throat, the respiratory and upper alimentary systems and related structures of the head and neck. An otolaryngologist diagnoses and provides medical and/or surgical therapy or prevention of diseases, allergies, neoplasms, deformities, disorders and/or injuries of the ears, nose, sinuses, throat, respiratory and upper alimentary systems, face, jaws and the other head and neck systems. Head and neck oncology, facial plastic and reconstructive surgery and the treatment of disorders of hearing and voice are fundamental areas of expertise.
Also ListedOtolaryngology · Otolaryngology/Facial Plastic SurgeryTaxonomy 207YX0905X · License 2025029374 (MO)
1044 N MASON RD, Creve Coeur, MO 63141
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Secondary Practice Location 1

Location 1915 N Grand BlvdSaint Louis, MO 63106-1621 · Phone (314) 652-4100

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Mariel Olivia Watkins Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID5395166987
PECOS Enrollment IDI20250806001514
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 Reassignment

Medicare enrollment records show Mariel Watkins reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Washington University
12 mi
Multi-Specialty
660 S EUCLID AVE
Saint Louis, MO 63110
  • Reassigned Medicare billing, Missouri enrollment
  • 96 clinicians in this Medicare group
NPI 1356381842 (314) 996-3845

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

Hospital Affiliations CMS Care Compare

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

Barnes Jewish Hospital

Acute Care Hospitals · Saint Louis, MO
4/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number260032
LocationOne Barnes-Jewish Hospital PlazaSaint Louis, MO 63110 · St. Louis City 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
$69.50 typical visit price
range $17.76 – $137.92
Typical copayment $17.37 (range $4.44 – $34.48)
Most-billed visit code 99213
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. WILLIAM C CHAPMAN JR. MD
Colon & Rectal Surgery
1044 N MASON RD, DIV SURG COLON/RECTAL, STE 310
SAINT LOUIS, MO 63141
St. Louis County (314) 454-7177
MS. ELIZABETH BURTON WALDEN- PRATER AGNP
Nurse Practitioner
1044 N MASON RD, DIV IM GENERAL MED, STE 330
SAINT LOUIS, MO 63141
St. Louis County (314) 996-8103
MS. ALEXANDRA ELIZABETH GRAHAM PA
Physician Assistant
1044 N MASON RD, DIV IM ENDOCRINOLOGY, STE 330
SAINT LOUIS, MO 63141
St. Louis County (314) 362-3500
MS. ALICIA MARIE STORTS FNP
Nurse Practitioner (Family)
1044 N MASON RD, DEPT ORTHOPAEDIC SURGERY, STE 110/210
SAINT LOUIS, MO 63141
St. Louis County (314) 514-3500
DR. RICHARD IAN STEIN PHD
Psychologist (Clinical)
1044 N MASON RD, DIV IM GERIATRIC MED, STE 330
SAINT LOUIS, MO 63141
St. Louis County (314) 286-2080
DR. HEIDI HOPE TASTET MD
Internal Medicine
1044 N MASON RD, DIV IM GENERAL MED, STE 330
SAINT LOUIS, MO 63141
St. Louis County (314) 996-8103
DR. JOHN SPENCER MAYS MD
General Practice
1044 N MASON RD, DIV IM GENERAL MED, STE 330
SAINT LOUIS, MO 63141
St. Louis County (314) 996-8103
MS. CARLY ROSE NOVELLY SLP
Speech-Language Pathologist
1044 N MASON RD, DEPT OTOLARYNGOLOGY, STE L20
CREVE COEUR, MO 63141
St. Louis County (314) 362-7509

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 Mariel Watkins's NPI number?

The NPI number for Mariel Watkins is 1194348540. It was assigned to this individual provider in the NPPES registry on May 20, 2020.

Where is Mariel Watkins located?

Mariel Watkins practices at 1044 N Mason Rd Dept Otolaryngology, Ste L10, Creve Coeur, MO 63141. The listed phone number is (314) 996-3880.

What is Mariel Watkins's specialty?

The primary specialty registered for this NPI is Otolaryngology with taxonomy code 207Y00000X.

Is Mariel Watkins enrolled in Medicare?

Yes. Mariel Watkins is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Mariel Watkins's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mariel Watkins reassigns Medicare benefits to Washington University (Saint Louis, MO). The 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 Mariel Watkins's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Mariel Watkins affiliated with any hospitals?

According to CMS data, Mariel Watkins is affiliated with Barnes Jewish Hospital.

When was this NPI record last updated?

The NPPES record for Mariel Watkins was last updated on August 22, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 months 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.