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Dr. Nicholas Gregory Janigian, MD

  • Saint Louis, MO
  • Retina specialist (ophthalmology) physician
NPI1972233948PAC ID0941689863
Industry payments
$202
Medical group
1
State license
1
Year NPI issued
2022
Practice address
4901 Forest Park Ave, Saint Louis, MO 63108
Practice phone
Call (314) 362-3937
Professional email
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Personal email
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Mobile number
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Social profiles

Medical group

WashU Medicine Psychiatry

Saint Louis, Missouri

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Dr. Nicholas Gregory Janigian is a retina specialist (ophthalmology) physician in Saint Louis, Missouri

Dr. Janigian practices with WashU Medicine Psychiatry, a medical group.

Dr. Janigian's NPI, 1972233948, was assigned on June 13, 2022. Dr. Janigian holds Missouri license 2026011529.

NPI and contact details
NPI
1972233948NPI Registry (opens in a new tab)
Medicare PAC ID
0941689863
NPI enumeration date
June 13, 2022
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(314) 362-3937
Professional email
Get email
Personal email
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Mobile number
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Sex
Male

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Nicholas Gregory Janigian's practice address is in Saint Louis, Missouri

Dr. Janigian's practice address in the NPI Registry is 4901 Forest Park Ave, Saint Louis, MO 63108. The practice phone is (314) 362-3937.

  • NPI Registry address
    4901 Forest Park Ave, Saint Louis, MO 63108Phone(314) 362-3937

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Nicholas Gregory Janigian is affiliated with 1 medical group

Dr. Janigian is part of WashU Medicine Psychiatry, a medical group in Saint Louis, Missouri.

Source: Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Nicholas Gregory Janigian's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Janigian practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
WashU Medicine PsychiatryAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Nicholas Gregory Janigian is one of 41 retina specialist (ophthalmology) physicians in Missouri

Retina specialist is Dr. Janigian's primary specialty in the NPI Registry, under taxonomy code 207WX0107X. Dr. Janigian is licensed in Missouri.

Specialties and state licenses

  • Retina specialist (ophthalmology), MissouriPrimaryLicense 2026011529 · taxonomy 207WX0107X

Retina specialist (ophthalmology) physicians near Dr. Janigian

Counts of retina specialist (ophthalmology) physicians with a Dmand AI profile, by place and practice. Each opens the list.

41retina specialist (ophthalmology) physicians in Missouri21retina specialist (ophthalmology) physicians in Saint Louis11retina specialist (ophthalmology) physicians at WashU Medicine Psychiatry

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

How Dr. Nicholas Gregory Janigian takes part in Medicare

Dr. Janigian accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

Dr. Nicholas Gregory Janigian received $202 in industry payments in 2025

CMS Open Payments shows 2 general payments to Dr. Janigian from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Glaukos Corporation paid the most, $202.

Companies that paid Dr. Janigian the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Janigian

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Dr. Nicholas Gregory Janigian's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemDmand AI Affiliation Data
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Nicholas Gregory Janigian

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Nicholas Gregory Janigian's NPI number?

Dr. Nicholas Gregory Janigian's NPI number is 1972233948. It was assigned on June 13, 2022, and it is active in the NPI Registry.

What kind of doctor is Dr. Nicholas Gregory Janigian?

Dr. Nicholas Gregory Janigian is a retina specialist (ophthalmology) physician in Saint Louis, Missouri. The primary specialty in the NPI Registry is Retina Specialist (Ophthalmology) Physician (taxonomy code 207WX0107X).

Where does Dr. Nicholas Gregory Janigian practice?

Dr. Janigian practices at 4901 Forest Park Ave, Saint Louis, MO 63108. Dr. Janigian's primary practice is WashU Medicine Psychiatry, a medical group.

What is Dr. Nicholas Gregory Janigian's office phone number?

The practice phone on file for Dr. Janigian is (314) 362-3937.

What is Dr. Nicholas Gregory Janigian's medical license number?

Dr. Janigian holds Missouri license 2026011529.

What medical group is Dr. Nicholas Gregory Janigian part of?

Dr. Janigian is part of WashU Medicine Psychiatry in Saint Louis, Missouri.

Does Dr. Nicholas Gregory Janigian accept Medicare?

Yes. CMS lists Dr. Janigian as accepting Medicare assignment.

Has Dr. Nicholas Gregory Janigian received payments from drug or device companies?

CMS Open Payments shows $202 in general payments to Dr. Janigian from 1 company from 2025 to 2025. The largest total came from Glaukos Corporation.

How long has Dr. Nicholas Gregory Janigian been practicing?

Dr. Janigian's NPI was assigned in 2022.

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