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SEDA GRIGORYAN MD
NPI 1881180511
Internal Medicine in Chattanooga, TN

Active since July 05, 2018PECOS EnrolledAccepts Medicare Assignment
5616 BRAINERD RD STE 208, CHATTANOOGA, TN 37411(423) 265-3561 Get Directions Write a Review

NPPES record last updated: November 5, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Nov 5, 2025, Jul 5, 2018 (2 updates tracked since 2018).

About Seda Grigoryan Md NPPES

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

SEDA GRIGORYAN MD (NPI 1881180511) is an individual internal medicine provider in Chattanooga, Tennessee, licensed in Tennessee (69457) and active in the NPI registry since July 2018. She is enrolled in Medicare PECOS and is a graduate of Other (2017).

NPPES Registry Identity

NPI1881180511
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameSEDA GRIGORYANCredential: MD
Location Address5616 BRAINERD RD STE 208Chattanooga, TN 37411-5376
Mailing Address5616 Brainerd Rd Ste 208Chattanooga, TN 37411-5376 · (423) 265-3561 · Fax (423) 265-1364
Phone(423) 265-3561
Sole ProprietorNo
Medical School CMSOtherGraduated 2017
Enumeration DateJuly 5, 2018
Last NPPES UpdateNovember 5, 20252 updates tracked since enumeration
NPPES CertifiedNovember 5, 2025
✔ NPI 1881180511 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in TN · 69457
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.
5616 BRAINERD RD STE 208, Chattanooga, TN 37411
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include BlueCross BlueShield of Tennessee, UnitedHealthcare.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

Seda Grigoryan Md 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 ID4789055823
PECOS Enrollment IDI20240306000255
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 5

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.

Hemoglobin a1c level 83036
Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.
41 services34 patients
Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report 95251
This procedure involves placing a small sensor under your skin to continuously monitor your blood sugar levels in tissue fluid. The data is interpreted and a report is generated to help manage your diabetes more effectively.
31 services23 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
29 services26 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
23 services21 patients
Blood glucose (sugar) test performed by hand-held instrument 82962
A blood glucose test uses a handheld device to measure the amount of sugar in your blood. A small prick on your finger allows a drop of blood to be placed on a test strip, which is then read by the device. This helps monitor and manage diabetes effectively.
21 services18 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 37411 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
$121.80 typical visit price
range $52.64 – $160.89
Typical copayment $30.45 (range $13.16 – $40.22)
Most-billed visit code 99204
Established Patient
$93.60 typical visit price
range $16.72 – $131.41
Typical copayment $23.40 (range $4.18 – $32.85)
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 4

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

BRENDA GOODWIN MD
Internal Medicine (Endocrinology, Diabetes & Metabolism)
5616 BRAINERD RD STE 208
CHATTANOOGA, TN 37411
Hamilton County (423) 265-3561
MEGAN ELISE BILLINGSLEY DNP
Nurse Practitioner (Family)
5616 BRAINERD RD STE 208
CHATTANOOGA, TN 37411
Hamilton County (423) 265-3561
HANNAH JAMES PA-C
Physician Assistant
5616 BRAINERD RD STE 208
CHATTANOOGA, TN 37411
Hamilton County (423) 265-3561
DR. MAIGHAN A SEAGROVE D.O.
Internal Medicine
5616 BRAINERD RD STE 208
CHATTANOOGA, TN 37411
Hamilton County (423) 265-3561

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 Seda Grigoryan's NPI number?

The NPI number for Seda Grigoryan is 1881180511. It was assigned to this individual provider in the NPPES registry on July 5, 2018.

Where is Seda Grigoryan located?

Seda Grigoryan practices at 5616 Brainerd Rd Ste 208, Chattanooga, TN 37411. The listed phone number is (423) 265-3561.

What is Seda Grigoryan's specialty?

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

Is Seda Grigoryan enrolled in Medicare?

Yes. Seda Grigoryan 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 Seda Grigoryan accept?

Health plans from BlueCross BlueShield of Tennessee and UnitedHealthcare list Seda Grigoryan 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.

When was this NPI record last updated?

The NPPES record for Seda Grigoryan was last updated on November 5, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.