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MELISSA GADSDEN KALTENBACH M.D.
NPI 1770945206
Internal Medicine - Gastroenterology in Saint Louis, MO

Active since March 23, 2016PECOS Enrolled
915 N GRAND BLVD, SAINT LOUIS, MO 63106(314) 652-4100 Get Directions Write a Review

NPPES record last updated: January 16, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jan 16, 2026, Dec 1, 2022, Mar 23, 2016 (3 updates tracked since 2016).

About Melissa Gadsden Kaltenbach M.d. NPPES

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

MELISSA GADSDEN KALTENBACH M.D. (NPI 1770945206) is an individual gastroenterology provider in Saint Louis, Missouri, licensed in Pennsylvania (MD466349) and active in the NPI registry since March 2016. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1770945206
Entity TypeIndividualFemale
Primary Taxonomy207RG0100X
Provider Legal NameMELISSA GADSDEN KALTENBACHCredential: M.D.
Location Address915 N GRAND BLVDSaint Louis, MO 63106-1621
Mailing Address915 N Grand BlvdSaint Louis, MO 63106-1621 · (315) 256-8986
Phone(314) 652-4100
Sole ProprietorYes
Enumeration DateMarch 23, 2016
Last NPPES UpdateJanuary 16, 20263 updates tracked since enumeration
NPPES CertifiedJanuary 16, 2026
✔ NPI 1770945206 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in PA · MD466349
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
915 N GRAND BLVD, Saint Louis, MO 63106
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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)

Melissa Gadsden Kaltenbach 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 63106 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.

DR. MATTHEW CHRISTOPHER SIMPSON O.D.
Optometrist
915 N GRAND BLVD
SAINT LOUIS, MO 63106
St. Louis City (314) 652-4100
MS. CHARMIN MEYATTA GIBSON M.S.W.
Social Worker
915 N GRAND BLVD
SAINT LOUIS, MO 63106
St. Louis City (314) 652-4110
CONOR MCCARTNEY M.D.
Internal Medicine
915 N GRAND BLVD
SAINT LOUIS, MO 63106
St. Louis City (314) 652-4100
ALITA BILLOPS CNP
Nurse Practitioner (Primary Care)
915 N GRAND BLVD
SAINT LOUIS, MO 63106
St. Louis City (314) 652-4100
STEPHANIE ADAMS
Registered Nurse
915 N GRAND BLVD
SAINT LOUIS, MO 63106
St. Louis City (314) 289-7676
NAGLA ABDELMALEK M.D.
Emergency Medicine
915 N GRAND BLVD
SAINT LOUIS, MO 63106
St. Louis City (314) 652-4100
DR. JAMES MICHAEL HASIK DDS
Dentist (General Practice)
915 N GRAND BLVD, DENTAL CLINIC
SAINT LOUIS, MO 63106
St. Louis City (314) 652-4100
MS. TRACY LANES CRNA
Nurse Anesthetist, Certified Registered
915 N GRAND BLVD
SAINT LOUIS, MO 63106
St. Louis City (314) 652-4100

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 Melissa Kaltenbach's NPI number?

The NPI number for Melissa Kaltenbach is 1770945206. It was assigned to this individual provider in the NPPES registry on March 23, 2016.

Where is Melissa Kaltenbach located?

Melissa Kaltenbach practices at 915 N Grand Blvd, Saint Louis, MO 63106. The listed phone number is (314) 652-4100.

What is Melissa Kaltenbach's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Melissa Kaltenbach enrolled in Medicare?

Yes. Melissa Kaltenbach is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Melissa Kaltenbach was last updated on January 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.