DR. ANN MARIE HENNESSEY M.D.
NPI 1053471581
Pediatrics in Saint Louis, MO

Q: What is Ann Hennessey's NPI number?

The NPI number for Ann Hennessey is 1053471581. It was assigned to this individual provider in the NPPES registry on December 12, 2006.

Q: What is Ann Hennessey's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Q: When was this NPI record last updated?

The NPPES record for Ann Hennessey was last updated on June 1, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.

Active since December 12, 2006PECOS Enrolled

621 S NEW BALLAS RD STE 1001B, SAINT LOUIS, MO 63141(314) 872-8752(314) 872-3963 Get Directions Write a Review

NPPES record last updated: June 1, 2020. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About Dr. Ann Marie Hennessey M.d. NPPES

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

DR. ANN MARIE HENNESSEY M.D. (NPI 1053471581) is an individual pediatrics provider in Saint Louis, Missouri, licensed in Missouri (101575) and active in the NPI registry since December 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1053471581

Entity TypeIndividualFemale

Primary Taxonomy208000000X

Provider Legal NameDR. ANN MARIE HENNESSEYCredential: M.D.

Location Address621 S NEW BALLAS RD STE 1001BSaint Louis, MO 63141-8264

Mailing Address621 S New Ballas Rd Ste 1001bSaint Louis, MO 63141-8264 · (314) 872-8752 · Fax (314) 872-3963

Phone(314) 872-8752

Fax(314) 872-3963

Sole ProprietorNo

Enumeration DateDecember 12, 2006

Last NPPES UpdateJune 1, 2020

NPPES CertifiedJune 1, 2020

✔ NPI 1053471581 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians

Taxonomy Code208000000X

License✔ Licensed in MO · 101575

Definition

A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.

621 S NEW BALLAS RD STE 1001B, Saint Louis, MO 63141

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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 (PECOS)

Dr. Ann Marie Hennessey M.d. 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 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.

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 Hennessey's NPI number?

The NPI number for Ann Hennessey is 1053471581. It was assigned to this individual provider in the NPPES registry on December 12, 2006.

Where is Ann Hennessey located?

Ann Hennessey practices at 621 S New Ballas Rd Ste 1001B, Saint Louis, MO 63141. The listed phone number is (314) 872-8752.

What is Ann Hennessey's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Ann Hennessey enrolled in Medicare?

Yes. Ann Hennessey is registered in the Medicare PECOS enrollment system.

What insurance does Ann Hennessey 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 3 other insurers list Ann Hennessey 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.

When was this NPI record last updated?

The NPPES record for Ann Hennessey was last updated on June 1, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.