Dr. Arthur Abraham Grigorian, MD
- Medicare services, 2024
- 94
- Medicare patients, 2024
- 94
- Part D claims, 2024
- 16
- Hospital affiliations
- 6
- Industry payments
- $156
- Practice address
- 2500 Hospital Blvd, Roswell, GA 30076
- Practice phone
- Call (770) 410-4661
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Rock Bridge Surgical Institute, LLC
Roswell, Georgia
Find Dr. Grigorian's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Arthur Abraham Grigorian is a neurosurgeon in Roswell, Georgia
Dr. Grigorian practices at Rock Bridge Surgical Institute, LLC in Roswell, Georgia.
Dr. Grigorian's NPI, 1982659371, was assigned on May 23, 2006. Dr. Grigorian holds Georgia license 048632.
- NPI
- 1982659371NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8123162195
- NPI enumeration date
- May 23, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (770) 410-4661
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 65
- Medical school graduation
- 1987
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Arthur Abraham Grigorian practices at Rock Bridge Surgical Institute, LLC in Roswell, Georgia
Dr. Grigorian's primary practice is Rock Bridge Surgical Institute, LLC, at 2500 Hospital Blvd, Roswell, GA 30076 in Fulton County. The practice phone is (770) 410-4661.
- Rock Bridge Surgical Institute, LLC2500 Hospital Blvd, Roswell, GA 30076 · Fulton CountyPhone(770) 410-4661
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Arthur Abraham Grigorian is affiliated with 9 sites of care and 2 medical groups
Dr. Grigorian's primary practice is Rock Bridge Surgical Institute, LLC in Roswell, Georgia. Dr. Grigorian is also affiliated with Wellstar North Fulton Medical Center. The medical group on file is Wellstar Medical Group. Dmand AI also links Dr. Grigorian to 5 more hospitals, 2 group practices and clinics and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Arthur Abraham Grigorian's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Grigorian practices, 8 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Rock Bridge Surgical Institute, LLC | Available with a free account |
| +8 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Arthur Abraham Grigorian is one of 210 neurosurgeons in Georgia
Neurological surgery is Dr. Grigorian's primary specialty in the NPI Registry, under taxonomy code 207T00000X. Dr. Grigorian is licensed in Georgia.
Specialties and state licenses
- Neurological surgery, GeorgiaPrimary
Neurosurgeons near Dr. Grigorian
Counts of neurosurgeons with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Arthur Abraham Grigorian billed Medicare for 94 services in 2024
CMS data shows 94 Medicare services from Dr. Grigorian across 4 procedure codes in 2024, for 94 Medicare patients. Medicare paid $8,573 for them.
Where Dr. Grigorian's Medicare services took place, 2024
- In an office8388%
- In a facility1112%
Dr. Grigorian compared with the Georgia median for neurosurgeons, 2024
- Dr. Grigorian
- Georgia median
- Medicare services
- 94vs 25163% below
- Medicare patients
- 94vs 16342% below
Medians across 197 neurosurgeons in Georgia with Dmand AI profiles that report each measure.
Dr. Grigorian's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Grigorian and other neurosurgeons in Georgia.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Arthur Abraham Grigorian treated 94 Medicare patients in 2024, average age 74
CMS counts 94 Medicare patients who saw Dr. Grigorian in 2024. The largest group is 65 to 74, with 41 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 14% are also on Medicaid. Their average risk score is 1.60, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Grigorian's median patient age at 72, with 57% women.
Dr. Grigorian's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Grigorian's Medicare patients by sex, 2024
- Women4952%
- Men4548%
Chronic conditions among Dr. Grigorian's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis61%
- Stroke or TIA43%
- Anxiety40%
- Diabetes40%
- Ischemic heart disease39%
- Mood disorders35%
Share of Medicare patients with each condition. A patient can have several.
Dr. Grigorian's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women57%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Arthur Abraham Grigorian wrote 16 Medicare Part D claims in 2024
In 2024, Dr. Grigorian wrote 16 Medicare Part D claims. 94% of them were for generic drugs.
Dr. Grigorian's Part D claims by kind of drug, 2024
- Generic15 claims94%
- Brand-name and other1 claims6%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Arthur Abraham Grigorian ranks in the 39th percentile for spinal fusion in Medicare
Dr. Grigorian accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Grigorian as offering telehealth. CMS counts 23 procedures of spinal fusion by Dr. Grigorian, more than 39% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Where Dr. Grigorian ranks in Medicare procedure volume
- Spinal fusion
- 39th percentile23 procedures
- Laminectomy or laminotomy (partial removal of spine bones)
- 37th percentile12 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Arthur Abraham Grigorian received $156 in industry payments in 2024
CMS Open Payments shows 2 general payments to Dr. Grigorian from 2 drug and device companies in 2024. Food and beverage make up the largest share, 100% of the total. Stryker Corporation paid the most, $137.
Companies that paid Dr. Grigorian the most, 2024 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Arthur Abraham Grigorian's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Arthur Abraham Grigorian
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Arthur Abraham Grigorian's NPI number?
Dr. Arthur Abraham Grigorian's NPI number is 1982659371. It was assigned on May 23, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Arthur Abraham Grigorian?
Dr. Arthur Abraham Grigorian is a neurosurgeon in Roswell, Georgia. The primary specialty in the NPI Registry is Neurological Surgery Physician (taxonomy code 207T00000X).
Where does Dr. Arthur Abraham Grigorian practice?
Dr. Grigorian practices at 2500 Hospital Blvd, Roswell, GA 30076. Dr. Grigorian's primary practice is Rock Bridge Surgical Institute, LLC in Roswell, Georgia. Dmand AI also links Dr. Grigorian to 5 hospitals, 2 group practices and clinics and 1 medical group.
What is Dr. Arthur Abraham Grigorian's office phone number?
The practice phone on file for Dr. Grigorian is (770) 410-4661.
What is Dr. Arthur Abraham Grigorian's medical license number?
Dr. Grigorian holds Georgia license 048632.
Which hospitals is Dr. Arthur Abraham Grigorian affiliated with?
Dr. Grigorian is affiliated with Wellstar North Fulton Medical Center. Dmand AI links Dr. Grigorian to 5 more hospitals.
What medical group is Dr. Arthur Abraham Grigorian part of?
Dr. Grigorian is linked to Wellstar Medical Group. Dmand AI links Dr. Grigorian to 1 more medical group.
Does Dr. Arthur Abraham Grigorian accept Medicare?
Yes. CMS data shows Dr. Grigorian billed Medicare for 94 services in 2024, and Dr. Grigorian accepts Medicare assignment.
Does Dr. Arthur Abraham Grigorian offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Grigorian as offering telehealth services.
How many Medicare patients does Dr. Arthur Abraham Grigorian see?
CMS counts 94 Medicare patients who saw Dr. Grigorian in 2024, with an average age of 74.
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What services does Dr. Arthur Abraham Grigorian bill to Medicare?
In 2024, Dr. Grigorian's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and office visit, new patient (99204).
Has Dr. Arthur Abraham Grigorian received payments from drug or device companies?
CMS Open Payments shows $156 in general payments to Dr. Grigorian from 2 companies from 2024 to 2024. The largest total came from Stryker Corporation.
How long has Dr. Arthur Abraham Grigorian been practicing?
Dr. Grigorian graduated from medical school in 1987, 39 years ago.
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