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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

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

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: August 02, 2026.

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 and is a graduate of University Of Alabama School Of Medicine (1985).

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
Medical School CMSUniversity Of Alabama School Of MedicineGraduated 1985
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

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Alabama.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

Grigor Vartan Merijanian 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 ID8022177203
PECOS Enrollment IDI20081103000261
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 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
Quality80.27
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.

DR. STEVEN CLAY OSBORNE JR. M.D.
Anesthesiology
101 SIVLEY RD SW
HUNTSVILLE, AL 35801
Madison County (256) 539-9471
DR. MICHAEL FREDERICK DONZE JR. D.O.
Hospitalist
101 SIVLEY RD SW
HUNTSVILLE, AL 35801
Madison County (256) 801-6047
HOWARD MASON ROBERTSON JR. M.D.
Anesthesiology
101 SIVLEY RD SW
HUNTSVILLE, AL 35801
Madison County (256) 265-1000
MELISSA PIROFSKY RICKETTS CRNP
Nurse Practitioner (Acute Care)
101 SIVLEY RD SW
HUNTSVILLE, AL 35801
Madison County (256) 265-3360
CASEY ZOLLO
Nurse Practitioner (Family)
101 SIVLEY RD SW
HUNTSVILLE, AL 35801
Madison County (256) 265-1000
JEREMY WHALEY
Nurse Practitioner (Family)
101 SIVLEY RD SW
HUNTSVILLE, AL 35801
Madison County (256) 265-1000
MIRIAM MARIE KNIGHT CRNP
Nurse Practitioner (Acute Care)
101 SIVLEY RD SW
HUNTSVILLE, AL 35801
Madison County (256) 265-1000
MRS. JULIE D MCCOY CRNA
Nurse Anesthetist, Certified Registered
101 SIVLEY RD SW
HUNTSVILLE, AL 35801
Madison County (256) 265-1000

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 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..

Where is Grigor Merijanian located?

Grigor Merijanian practices at 101 Sivley Rd SW, Huntsville, AL 35801. The listed phone number is (256) 265-1000.

What is Grigor Merijanian's specialty?

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

Is Grigor Merijanian enrolled in Medicare?

Yes. Grigor Merijanian 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 Grigor Merijanian accept?

Health plans from Blue Cross and Blue Shield of Alabama list Grigor Merijanian 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 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 27 days 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.