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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. NICHOLAS GREGORY JANIGIAN MD
NPI 1972233948
Ophthalmology - Retina Specialist in Saint Louis, MO

Active since June 13, 2022PECOS Enrolled
4901 FOREST PARK AVE, DEPT OPHTHALMOLOGY, 6TH FL, SAINT LOUIS, MO 63108(314) 362-3937(866) 505-8818 Get Directions Write a Review

NPPES record last updated: July 6, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Nicholas Gregory Janigian Md NPPES

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

DR. NICHOLAS GREGORY JANIGIAN MD (NPI 1972233948) is an individual retina specialist in Saint Louis, Missouri, licensed in Missouri (2026011529) and active in the NPI registry since June 2022. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1972233948
Entity TypeIndividualMale
Primary Taxonomy207WX0107X
Provider Legal NameDR. NICHOLAS GREGORY JANIGIANCredential: MD
Location Address4901 FOREST PARK AVE, DEPT OPHTHALMOLOGY, 6TH FLSaint Louis, MO 63108-1495
Mailing AddressPo Box 7412011Chicago, IL 60674-2011 · (314) 362-3937 · Fax (866) 505-8818
Phone(314) 362-3937
Fax(866) 505-8818
Sole ProprietorNo
Enumeration DateJune 13, 2022
Last NPPES UpdateJuly 6, 2026
NPPES CertifiedJune 13, 2022
✔ NPI 1972233948 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOphthalmology · Retina SpecialistAllopathic & Osteopathic Physicians
Taxonomy Code207WX0107X
License✔ Licensed in MO · 2026011529
Definition
An ophthalmologist who specializes in the diagnosis and treatment of vitreoretinal diseases.
4901 FOREST PARK AVE, Saint Louis, MO 63108
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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)

Dr. Nicholas Gregory Janigian Md 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 63108 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
$69.50 typical visit price
range $17.76 – $137.92
Typical copayment $17.37 (range $4.44 – $34.48)
Most-billed visit code 99213
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. ERIN LEIGH DYER MD
General Practice
4901 FOREST PARK AVE, DIV IM GENERAL MED, STE 241
SAINT LOUIS, MO 63108
St. Louis City (314) 362-5060
DR. NICHOLE GALLEGOS ZEHNDER MD
General Practice
4901 FOREST PARK AVE, DIV IM GENERAL MED, STE 241
SAINT LOUIS, MO 63108
St. Louis City (314) 362-5060
MRS. NANCY J CIBULKA WHNP
Nurse Practitioner (Family)
4901 FOREST PARK AVE, STE 341
SAINT LOUIS, MO 63108
St. Louis City (314) 454-7882
DR. MARCIA J MCCABE PSYD
Psychologist
4901 FOREST PARK AVE, DEPT PSYCHIATRY, STE 441
SAINT LOUIS, MO 63108
St. Louis City (314) 286-1700
WASHINGTON UNIVERSITY
Clinic/Center (Multi-Specialty)
4901 FOREST PARK AVE
SAINT LOUIS, MO 63108
St. Louis City (314) 362-3937
DR. JING-WEI HUANG MD
Ophthalmology (Cornea and External Diseases Specialist)
4901 FOREST PARK AVE, DEPT OPHTHALMOLOGY, 6TH FL
SAINT LOUIS, MO 63108
St. Louis City (314) 362-3937
DR. JILLIAN MEI-LING LIU MD PHD
Ophthalmology (Cornea and External Diseases Specialist)
4901 FOREST PARK AVE, DEPT OPHTHALMOLOGY, 6TH FL
SAINT LOUIS, MO 63108
St. Louis City (314) 362-3937
DR. DAVID L EISENBERG MD
Obstetrics & Gynecology (Gynecology)
4901 FOREST PARK AVE, DIV OBGYN FAMILY PLANNING, STE 710
SAINT LOUIS, MO 63108
St. Louis City (314) 362-4211

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 Nicholas Janigian's NPI number?

The NPI number for Nicholas Janigian is 1972233948. It was assigned to this individual provider in the NPPES registry on June 13, 2022.

Where is Nicholas Janigian located?

Nicholas Janigian practices at 4901 Forest Park Ave Dept Ophthalmology, 6th Fl, Saint Louis, MO 63108. The listed phone number is (314) 362-3937.

What is Nicholas Janigian's specialty?

The primary specialty registered for this NPI is Ophthalmology, specializing in Retina Specialist, with taxonomy code 207WX0107X.

Is Nicholas Janigian enrolled in Medicare?

Yes. Nicholas Janigian is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Nicholas Janigian was last updated on July 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 39 days 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.