ROBERT LYNN PETERSEN MD
NPI 1912296757
Pediatrics - Pediatric Cardiology in Saint Louis, MO

Q: What is Robert Petersen's NPI number?

The NPI number for Robert Petersen is 1912296757. It was assigned to this individual provider in the NPPES registry on April 1, 2011.

Q: What is Robert Petersen's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Cardiology, with taxonomy code 2080P0202X.

Q: When was this NPI record last updated?

The NPPES record for Robert Petersen was last updated on October 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.

Active since April 01, 2011PECOS EnrolledAccepts Medicare Assignment

1465 S GRAND BLVD, SAINT LOUIS, MO 63104(314) 577-5380(314) 268-4141 Get Directions Write a Review

NPPES record last updated: October 3, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jan 18, 2021, Oct 7, 2019, Aug 14, 2018 (3 updates tracked since 2018).

On this page

About Robert Lynn Petersen Md NPPES

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

ROBERT LYNN PETERSEN MD (NPI 1912296757) is an individual pediatric cardiology provider in Saint Louis, Missouri, licensed in Missouri (2014011778) and active in the NPI registry since April 2011. He is enrolled in Medicare PECOS, is affiliated with Ssm Health St Mary's Hospital - St Louis, and is a graduate of Saint Louis University School Of Medicine (2011).

NPPES Registry Identity

NPI1912296757

Entity TypeIndividualMale

Primary Taxonomy2080P0202X

Provider Legal NameROBERT LYNN PETERSENCredential: MD

Location Address1465 S GRAND BLVDSaint Louis, MO 63104-1003

Mailing Address1465 S Grand BlvdSaint Louis, MO 63104-1003 · (314) 577-5380 · Fax (314) 268-4141

Phone(314) 577-5380

Fax(314) 268-4141

Sole ProprietorNo

Medical School CMSSaint Louis University School Of MedicineGraduated 2011

Enumeration DateApril 1, 2011

Last NPPES UpdateOctober 3, 20253 updates tracked since enumeration

NPPES CertifiedOctober 3, 2025

✔ NPI 1912296757 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatrics · Pediatric CardiologyAllopathic & Osteopathic Physicians

Taxonomy Code2080P0202X

License✔ Licensed in MO · 2014011778

Definition

A pediatric cardiologist provides comprehensive care to patients with cardiovascular problems. This specialist is skilled in selecting, performing and evaluating the structural and functional assessment of the heart and blood vessels, and the clinical evaluation of cardiovascular disease.

Also ListedPediatricsTaxonomy 208000000X · License 2014011778 (MO)

1465 S GRAND BLVD, Saint Louis, MO 63104

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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 and accepts Medicare assignment

Robert Lynn Petersen Md 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 ID9739482878

PECOS Enrollment IDI20180724000453

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.

Hospital Affiliations CMS Care Compare

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

Ssm Health St Mary's Hospital - St Louis

Acute Care Hospitals · Richmond Heights, MO

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number260091

Location6420 Clayton RdRichmond Heights, MO 63117 · St. Louis County

Emergency services Birthing friendly

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. SARAH MARGARET HANLY PH.D.

Psychologist (Clinical)

1465 S GRAND BLVD
SAINT LOUIS, MO 63104

St. Louis City (314) 577-5667

KAVIPRIYA KOMESWARAN

Pediatrics (Pediatric Critical Care Medicine)

1465 S GRAND BLVD
SAINT LOUIS, MO 63104

St. Louis City (314) 617-2000

ALEXIS HAAS STEWART

Anesthesiologist Assistant

1465 S GRAND BLVD
SAINT LOUIS, MO 63104

St. Louis City (314) 977-5700

NATALIE DRURY RD, LD

Dietitian, Registered (Nutrition, Pediatric)

1465 S GRAND BLVD
SAINT LOUIS, MO 63104

St. Louis City (314) 577-5387

TIMOTHY J KUTZ MD

Pediatrics (Child Abuse Pediatrics)

1465 S GRAND BLVD
SAINT LOUIS, MO 63104

St. Louis City (314) 268-6406

CHRISTOPHER SALLEE MD

Pediatrics

1465 S GRAND BLVD
ST. LOUIS, MO 63104

St. Louis City (314) 577-1607

AMBER GRANA DO

Pediatrics (Pediatric Critical Care Medicine)

1465 S GRAND BLVD, DIVISION OF PEDIATRIC CRITICAL CARE
SAINT LOUIS, MO 63104

St. Louis City (314) 577-5695

DR. ETHAN EMIL PFEIFER MD

Student in an Organized Health Care Education/Training Program

1465 S GRAND BLVD
SAINT LOUIS, MO 63104

St. Louis City (314) 268-4070

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 Petersen's NPI number?

The NPI number for Robert Petersen is 1912296757. It was assigned to this individual provider in the NPPES registry on April 1, 2011.

Where is Robert Petersen located?

Robert Petersen practices at 1465 S Grand Blvd, Saint Louis, MO 63104. The listed phone number is (314) 577-5380.

What is Robert Petersen's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Cardiology, with taxonomy code 2080P0202X.

Is Robert Petersen enrolled in Medicare?

Yes. Robert Petersen 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 Robert Petersen 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 4 other insurers list Robert Petersen 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 Robert Petersen affiliated with any hospitals?

According to CMS data, Robert Petersen is affiliated with Ssm Health St Mary's Hospital - St Louis.

When was this NPI record last updated?

The NPPES record for Robert Petersen was last updated on October 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.