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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

DR. JAMES ROBERT ETZKORN M.D.
NPI 1124066253
Internal Medicine - Endocrinology, Diabetes & Metabolism in Saint Louis, MO

Active since June 02, 2006PECOS Enrolled
2821 N BALLAS RD, SAINT LOUIS, MO 63131(314) 995-9718(314) 995-7196 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. James Robert Etzkorn M.d. NPPES

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

DR. JAMES ROBERT ETZKORN M.D. (NPI 1124066253) is an individual endocrinology, diabetes & metabolism provider in Saint Louis, Missouri, licensed in Missouri (R5648) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Barnes Jewish Hospital, and is a graduate of Saint Louis University School Of Medicine (1973).

NPPES Registry Identity

NPI1124066253
Entity TypeIndividualMale
Primary Taxonomy207RE0101X
Provider Legal NameDR. JAMES ROBERT ETZKORNCredential: M.D.
Location Address2821 N BALLAS RDSaint Louis, MO 63131-2321
Mailing Address2821 N Ballas RdSaint Louis, MO 63131-2321 · (314) 995-9718 · Fax (314) 995-7196
Phone(314) 995-9718
Fax(314) 995-7196
Sole ProprietorNo
Medical School CMSSaint Louis University School Of MedicineGraduated 1973
Enumeration DateJune 2, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1124066253 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians
Taxonomy Code207RE0101X
License✔ Licensed in MO · R5648
Definition

An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.

2821 N BALLAS RD, Saint Louis, MO 63131
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Medica, UnitedHealthcare.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

Dr. James Robert Etzkorn M.d. 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 ID4385769157
PECOS Enrollment IDI20100916000773
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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
239 services195 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.
85 services77 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.
11 services11 patients

Hospital Affiliations CMS Care Compare 2

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

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 63131 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
$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.

JOSEPH AND NINA ZEIGLER, D.M.D.S, P.C.
Dentist
2821 N BALLAS RD, SUITE 200
SAINT LOUIS, MO 63131
St. Louis County (314) 872-7590
DR. LAWRENCE JAY LEVENS DDS, MS, PC
Dentist (Orthodontics and Dentofacial Orthopedics)
2821 N BALLAS RD, SUITE 155
SAINT LOUIS, MO 63131
St. Louis County (314) 872-3218
DR. AARON JAMES CREGGER D.D.S.
Dentist
2821 N BALLAS RD
SAINT LOUIS, MO 63131
St. Louis County (314) 567-7737
ST LOUIS ORTHOPEDIC SURGERY, INC
Orthopaedic Surgery
2821 N BALLAS RD, SUITE C-15
SAINT LOUIS, MO 63131
St. Louis County (314) 983-0088
DR. KRISTINA BRAZIER D.C.
Chiropractor
2821 N BALLAS RD, SUITE 105
SAINT LOUIS, MO 63131
St. Louis County (314) 872-9955
DR. JINTANA J LATZER DC
Chiropractor
2821 N BALLAS RD, SUITE C5
ST LOUIS, MO 63131
St. Louis County (314) 432-7979
MS. ROBIN LOUISE SMITH D.C.
Chiropractor
2821 N BALLAS RD, SUITE 105
SAINT LOUIS, MO 63131
St. Louis County (314) 872-9955
GIUSEPPE ALIPERTI M.D.
Internal Medicine (Gastroenterology)
2821 N BALLAS RD, SUITE 115
SAINT LOUIS, MO 63131
St. Louis County (314) 628-9000

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 James Etzkorn's NPI number?

The NPI number for James Etzkorn is 1124066253. It was assigned to this individual provider in the NPPES registry on June 2, 2006.

Where is James Etzkorn located?

James Etzkorn practices at 2821 N Ballas Rd, Saint Louis, MO 63131. The listed phone number is (314) 995-9718.

What is James Etzkorn's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Is James Etzkorn enrolled in Medicare?

Yes. James Etzkorn 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 James Etzkorn accept?

Health plans from Medica and UnitedHealthcare list James Etzkorn 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 James Etzkorn affiliated with any hospitals?

According to CMS data, James Etzkorn is affiliated with Barnes Jewish Hospital and Missouri Baptist Medical Center.

When was this NPI record last updated?

The NPPES record for James Etzkorn was last updated on July 13, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.