GRIGOR VARTAN MERIJANIAN M.D.
NPI 1114906237
Anesthesiology in Huntsville, AL

Q: What is Grigor Merijanian's NPI number?

The NPI number for Grigor Merijanian is 1114906237. It was assigned to this individual provider in the NPPES registry on January 17, 2006. The provider is also known as Greg V. Merijanian M.D..

Q: What is Grigor Merijanian's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Q: When was this NPI record last updated?

The NPPES record for Grigor Merijanian was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.

Active since January 17, 2006PECOS Enrolled

83.23/100

CMS Quality Rating

101 SIVLEY RD SW, HUNTSVILLE, AL 35801(256) 265-1000 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Grigor Vartan Merijanian M.d. NPPES

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

GRIGOR VARTAN MERIJANIAN M.D. (NPI 1114906237) is an individual anesthesiology provider in Huntsville, Alabama, licensed in Alabama (00012811) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1114906237

Entity TypeIndividualMale

Primary Taxonomy207L00000X

Provider Legal NameGRIGOR VARTAN MERIJANIANCredential: M.D.

Location Address101 SIVLEY RD SWHuntsville, AL 35801-4421

Mailing Address2006 Franklin St Se, Ste 301Huntsville, AL 35801-4551 · (256) 539-9471 · Fax (256) 539-9472

Phone(256) 265-1000

Sole ProprietorNo

Enumeration DateJanuary 17, 2006

Last NPPES UpdateJuly 13, 2026

✔ NPI 1114906237 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians

Taxonomy Code207L00000X

License✔ Licensed in AL · 00012811

Definition

An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.

101 SIVLEY RD SW, Huntsville, AL 35801

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Other Names 1

Other Name (5)Greg V. Merijanian M.d.

Other Identifiers 3

Other51523701AL · Bcbs Madison Surg Ctr

Other4019964TN · Bcbs Tn

Other51028222AL · Bcbs Hh Locations

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Grigor Vartan Merijanian M.d. 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.

Medicare Billing Reassignment

Medicare enrollment records show Grigor Merijanian reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Comprehensive Anesthesia Services PC

Same address

Anesthesiology

101 SIVLEY RD SW
Huntsville, AL 35801

Reassigned Medicare billing, Alabama enrollment
93 clinicians in this Medicare group

NPI 1194704742 (256) 265-1000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 11

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.

Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 00731

This procedure involves the use of an endoscope, a flexible tube with a light and camera, to examine your esophagus, stomach, or upper small bowel. Anesthesia ensures you are comfortable and pain-free during the procedure.

52 services49 patients

Anesthesia for exam of colon using an endoscope 00812

Anesthesia for a colon examination with an endoscope is a method used to ensure comfort during the procedure. It involves administering medication to help you relax or sleep, thus reducing discomfort as the endoscope, a thin, flexible tube, is navigated through your colon.

21 services21 patients

Anesthesia for other procedure on urinary system through urethra 00910

Anesthesia for a procedure on the urinary system through the urethra involves using medicine to numb sensation in the area. This is done to ensure you feel no pain or discomfort during the procedure. The medicine can be given locally, regionally, or generally, depending on the specifics of your procedure.

19 services19 patients

Anesthesia for other procedure on upper abdomen 00790

Anesthesia for an upper abdomen procedure involves using medications to help you feel no pain during the operation. It can be general, where you're unconscious, or regional, where just the abdomen area is numbed. It ensures comfort and stillness, aiding a successful procedure.

17 services17 patients

Anesthesia for other procedure on large blood vessel of neck 00350

Anesthesia for a procedure on a large neck blood vessel ensures comfort and safety. It involves administering medication to numb sensation, reduce pain, and potentially cause sleepiness. This allows doctors to perform the necessary procedure without causing discomfort.

15 services15 patients

Anesthesia for other procedure on large bowel using an endoscope 00811

Anesthesia for an endoscopic procedure on the large bowel ensures comfort and relaxation during the procedure. You'll be given medication to make you drowsy or asleep, eliminating any discomfort. The medication can be administered through a vein or inhaled.

15 services15 patients

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.

83.23/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

80.27

Improvement Activities

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. STEVEN CLAY OSBORNE JR. M.D.

Anesthesiology