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DR. ABDURRAHMAN KADAYIFCI MD
NPI 1639979206
Internal Medicine - Gastroenterology in Saint Louis, MO

Active since March 13, 2025PECOS Enrolled
1201 S GRAND BLVD, SAINT LOUIS, MO 63104(314) 617-2000 Get Directions Write a Review

NPPES record last updated: June 26, 2026. Verified against the NPPES registry weekly; last sync: October 04, 2026.

Record update history: Jun 18, 2025, Mar 13, 2025 (2 updates tracked since 2025).

About Dr. Abdurrahman Kadayifci Md NPPES

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

DR. ABDURRAHMAN KADAYIFCI MD (NPI 1639979206) is an individual gastroenterology provider in Saint Louis, Missouri, licensed in Missouri (2026023177) and active in the NPI registry since March 2025. He is enrolled in Medicare PECOS, maintains a secondary practice location in San Antonio, and is a graduate of Other (1989).

NPPES Registry Identity

NPI1639979206
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameDR. ABDURRAHMAN KADAYIFCICredential: MD
Location Address1201 S GRAND BLVDSaint Louis, MO 63104-1016
Mailing Address4502 Medical DrSan Antonio, TX 78229-4402 · (210) 567-5777
Phone(314) 617-2000
Sole ProprietorNo
Medical School CMSOtherGraduated 1989
Enumeration DateMarch 13, 2025
Last NPPES UpdateJune 26, 20262 updates tracked since enumeration
NPPES CertifiedJune 26, 2026
✔ NPI 1639979206 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
Licenses✔ Licensed in MO · 2026023177✔ Licensed in NY · 334896-01
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.
Also ListedInternal Medicine · Transplant HepatologyTaxonomy 207RT0003X · License 334896-01 (NY)
1201 S GRAND BLVD, Saint Louis, MO 63104
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Secondary Practice Location 1

Location 14502 Medical DrSan Antonio, TX 78229-4402 · Phone (210) 567-5777

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. Abdurrahman Kadayifci Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID7719450469
PECOS Enrollment IDI20260624001476
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 63104 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.

DOUG LONGO APRN
Nurse Practitioner (Acute Care)
1201 S GRAND BLVD
SAINT LOUIS, MO 63104
St. Louis City (314) 257-8000
JOHN JOSEPH HOUSER
Student in an Organized Health Care Education/Training Program
1201 S GRAND BLVD
SAINT LOUIS, MO 63104
St. Louis City (314) 257-8000
NABIHA NOOR SHAMSHUDDIN MD
Hospitalist
1201 S GRAND BLVD
SAINT LOUIS, MO 63104
St. Louis City (314) 257-8000
AMAN PATEL
Radiology (Diagnostic Radiology)
1201 S GRAND BLVD
SAINT LOUIS, MO 63104
St. Louis City (314) 257-8000
MS. KEELEY FERRELL RYAN PA-C
Physician Assistant
1201 S GRAND BLVD
SAINT LOUIS, MO 63104
St. Louis City (314) 257-1320
PATRICK SWEENEY
Student in an Organized Health Care Education/Training Program
1201 S GRAND BLVD
SAINT LOUIS, MO 63104
St. Louis City (314) 257-8000
DR. SHAMEELA NASRULLAH KHIMANI MD
Pediatrics
1201 S GRAND BLVD
SAINT LOUIS, MO 63104
St. Louis City (314) 617-3239
IBRAHIM SHAMASNEH M.D.
Hospitalist
1201 S GRAND BLVD
SAINT LOUIS, MO 63104
St. Louis City (314) 617-2000

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 Abdurrahman Kadayifci's NPI number?

The NPI number for Abdurrahman Kadayifci is 1639979206. It was assigned to this individual provider in the NPPES registry on March 13, 2025.

Where is Abdurrahman Kadayifci located?

Abdurrahman Kadayifci practices at 1201 S Grand Blvd, Saint Louis, MO 63104. The listed phone number is (314) 617-2000.

What is Abdurrahman Kadayifci's specialty?

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

Is Abdurrahman Kadayifci enrolled in Medicare?

Yes. Abdurrahman Kadayifci is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Abdurrahman Kadayifci was last updated on June 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.