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DR. ARMINE NADIRYAN M.D.
NPI 1346477486
Internal Medicine in Chesterfield, MO

Active since June 16, 2009PECOS EnrolledAccepts Medicare Assignment
89.23/100
CMS Quality Rating
222 S WOODS MILL RD, SUITE 530 NORTH, CHESTERFIELD, MO 63017(314) 205-6736 Get Directions Write a Review

NPPES record last updated: September 10, 2024. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Armine Nadiryan M.d. NPPES

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

DR. ARMINE NADIRYAN M.D. (NPI 1346477486) is an individual internal medicine provider in Chesterfield, Missouri, licensed in Missouri (2012020298) and active in the NPI registry since June 2009. She is enrolled in Medicare PECOS, is affiliated with Mercy Hospital St Louis, and is a graduate of Other (1997).

NPPES Registry Identity

NPI1346477486
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. ARMINE NADIRYANCredential: M.D.
Location Address222 S WOODS MILL RD, SUITE 530 NORTHChesterfield, MO 63017-3625
Mailing Address222 S Woods Mill Rd, Suite 530 NorthChesterfield, MO 63017-3625 · (314) 205-6736
Phone(314) 205-6736
Sole ProprietorNo
Medical School CMSOtherGraduated 1997
Enumeration DateJune 16, 2009
Last NPPES UpdateSeptember 10, 2024
NPPES CertifiedSeptember 10, 2024
✔ NPI 1346477486 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in MO · 2012020298
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
222 S WOODS MILL RD, Chesterfield, MO 63017
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Medica, Oscar Insurance Company.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Armine Nadiryan M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID840446282
PECOS Enrollment IDI20120817000177
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.

Areas of Expertise CMS Part B claims 6

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
677 services254 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
213 services205 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
159 services154 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
135 services77 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
49 services49 patients
Hospital discharge day management, 30 minutes or less 99238
Hospital discharge day management of 30 minutes or less includes finalizing your treatment, discussing your progress, and planning after-care at home. It ensures you're ready to leave the hospital and continue recovery safely.
29 services29 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Mercy Hospital St Louis

Acute Care Hospitals · Saint Louis, MO
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number260020
Location615 New Ballas RoadSaint Louis, MO 63141 · St. Louis County
Emergency services Birthing friendly

St Lukes Hospital

Acute Care Hospitals · Chesterfield, MO
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number260179
Location232 S Woods Mill RdChesterfield, MO 63017 · St. Louis County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63017 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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

89.23/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality84.14
Improvement Activities40

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.

MS. KIMBERLY C GRUNZINGER MSN, RN, ACNS-BC
Clinical Nurse Specialist (Adult Health)
222 S WOODS MILL RD, SUITE 480 N
CHESTERFIELD, MO 63017
St. Louis County (314) 576-7343
RACHEL LYNN FISHMAN OIKNINE M.D.
Internal Medicine (Endocrinology, Diabetes & Metabolism)
222 S WOODS MILL RD, SUITE 410N
CHESTERFIELD, MO 63017
St. Louis County (314) 469-6224
MARYLAND MEDICAL GROUP LTD
Internal Medicine
222 S WOODS MILL RD, SUITE 350N
CHESTERFIELD, MO 63017
St. Louis County (314) 205-6557
MARIA THERESA WEIR
Nurse Practitioner (Adult Health)
222 S WOODS MILL RD, SUITE 410N
CHESTERFIELD, MO 63017
St. Louis County (314) 469-6224
JOHN BEST MD
Internal Medicine (Pulmonary Disease)
222 S WOODS MILL RD, SUITE 310 NORTH
CHESTERFIELD, MO 63017
St. Louis County (314) 576-6700
WEST COUNTY OPHTHALMOLOGY, INC
Ophthalmology
222 S WOODS MILL RD, SUITE 660N
CHESTERFIELD, MO 63017
St. Louis County (314) 878-9902
TARISAI SHARON NYAHODA MD
Internal Medicine (Geriatric Medicine)
222 S WOODS MILL RD
CHESTERFIELD, MO 63017
St. Louis County (314) 205-6050
ZOE LEYH DO
Internal Medicine (Infectious Disease)
222 S WOODS MILL RD
CHESTERFIELD, MO 63017
St. Louis County (314) 205-6050

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 Armine Nadiryan's NPI number?

The NPI number for Armine Nadiryan is 1346477486. It was assigned to this individual provider in the NPPES registry on June 16, 2009.

Where is Armine Nadiryan located?

Armine Nadiryan practices at 222 S Woods Mill Rd Suite 530 North, Chesterfield, MO 63017. The listed phone number is (314) 205-6736.

What is Armine Nadiryan's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Armine Nadiryan enrolled in Medicare?

Yes. Armine Nadiryan is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Armine Nadiryan accept?

Health plans from Medica and Oscar Insurance Company list Armine Nadiryan as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Armine Nadiryan affiliated with any hospitals?

According to CMS data, Armine Nadiryan is affiliated with Mercy Hospital St Louis and St Lukes Hospital.

When was this NPI record last updated?

The NPPES record for Armine Nadiryan was last updated on September 10, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 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.