Nicholas Gregory Janigian, MD
Retina Specialist (Ophthalmology) Physician · Saint Louis, MO
Nicholas Gregory Janigian, MD is a retina specialist (ophthalmology) physician with a practice address in Saint Louis, Missouri, and NPI 1972233948, issued on Jun 13, 2022. Check the license (Missouri 2026011529, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Nicholas Gregory Janigian
- Credential
- MD
- Primary taxonomy
- Retina Specialist (Ophthalmology) Physician 207WX0107X
- License number
- 2026011529 MO
Self-reported in NPPES; status is on the state search - Practice location
- 4901 Forest Park Ave, Saint Louis, MO 63108
- Phone
- (314) 362-3937
- Enumerated
- Jun 13, 2022
- Record last updated
- Jul 6, 2026
- Fax
- (866) 505-8818
- Entity
- Type 1 · individual
8 nearest retina specialist (ophthalmology) physician records → All 50 in Missouri → Look up another NPI →
Also registered at 4901 Forest Park Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Eva Aagaard, MDGeneral Practice Physician1144286097
- Ashley Ahlbrand, ODOptometrist1215669007
- Muhammad Nabeel Akbar, MDNeuro-ophthalmology Physician1780204149
- Ashley Altman, FNPNurse Practitioner1457882417
- Kelly Amerson, WHNPWomen's Health Nurse Practitioner1205993169
- Milan Anadkat, MDDermatology Physician1639267149
Verify Nicholas Gregory Janigian in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
Search for license 2026011529Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $146.74
2 payments; by number, the most common kind was food and beverage; the largest payer was Alcon Vision LLC. The 1,253 providers of this specialty with any payment received $7,667.49 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Nicholas Gregory Janigian among 50 retina specialist (ophthalmology) physician records in Missouri
Nicholas Gregory Janigian, MD is one of 50 retina specialist (ophthalmology) physician records with a practice address in Missouri. 94% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 94% of them.
- NPI issued2022 · 94% of these records are older, 2% newer
- In a Medicare fileYes · 94% of these records are
- In the CMS Doctors and Clinicians fileNo · 82% of these records are
- Record last updated2026 · 18% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207WX0107X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Retina Specialist (Ophthalmology) Physician providers in Missouri
There are 50 retina specialist (ophthalmology) physician records in Missouri.
All 50 in Missouri → Every provider in Saint Louis → Retina Specialist (Ophthalmology) Physician nationwide →
The 8 retina specialist (ophthalmology) physician records with the nearest ZIP codes
- Catherine Gilbert, MDSaint Louis, MO 631081578207676
- Aaron Lee, MDSaint Louis, MO 631081063649713
- Arjun Merchant, MDSaint Louis, MO 631081093342040
- Hasan Muqri, MDSaint Louis, MO 631081154995751
- Kisha Piggott, MDSaint Louis, MO 631081316236482
- Prabakar Rao, MDSaint Louis, MO 631081417959115
- Parth Shah, DOSaint Louis, MO 631081265937411
- Vichar Trivedi, MDSaint Louis, MO 631081245812411
Common questions
What is Nicholas Gregory Janigian, MD's NPI number?
Nicholas Gregory Janigian, MD's National Provider Identifier (NPI) is 1972233948, issued on Jun 13, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Nicholas Gregory Janigian, MD located?
The NPPES record lists a practice address at 4901 Forest Park Ave, Saint Louis, MO, 63108. Phone: (314) 362-3937. Providers update this record themselves, so call before visiting.
How can I verify Nicholas Gregory Janigian, MD's license?
NPPES lists Missouri license number 2026011529, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.