Doctor profile · Federal record

Dr. Gabriel Tatarian, D.O.

Neurology Physician (CMS: Neurology) · Philadelphia, PA

  • NPI 1164487914
  • Accepts Medicare
  • 38 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
1015 Chestnut St Ste 918
Philadelphia, PA 19107
(215) 922-1801
fax (215) 922-1806
Additional location
10 Presidential Blvd Ste 124
Bala Cynwyd, PA 190041107
Additional location
555 Second Ave Ste C-850
Collegeville, PA 194263635
(610) 831-5200
fax (610) 831-5600

Credentials & registration

NPPES · NUCC
NPI registered
April 2006 — 20 yrs on file
Profile last updated
March 13, 2019
Year of graduation
1988 — 38 yrs since
Specialty taxonomy
2084N0400X — NUCC code
State license (1)
Pennsylvania #OS-008458-L
Medicaid
PA #01465075

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1164487914. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
714
Distinct HCPCS
10
Medicare allowed
$79,417
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 194 135 $112
95886 Needle measurement of electrical activity in arm or leg muscles, complete study 177 96 $46
99215 Established patient office or other outpatient visit, 40-54 minutes 82 73 $154
64615 Injection of chemical for paralysis of facial and neck nerve muscles on both sides of face 51 23 $140
99204 New patient office or other outpatient visit, 45-59 minutes 51 51 $151
95910 Nerve conduction, 7-8 studies 38 38 $107
99205 New patient office or other outpatient visit, 60-74 minutes 33 33 $196
64616 Injection of chemical for paralysis of nerve muscles on side of neck excluding voice box 28 15 $163
95911 Nerve conduction, 9-10 studies 17 17 $133
95909 Nerve conduction, 5-6 studies 15 15 $80

In context: peer comparison

Among 83 peers in this city , average services per provider: 148. This provider delivers 4.8× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$5,246
Transactions
39
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
TG Therapeutics, Inc. 10 $3,706.30
Biogen, Inc. 8 $928.98
Lilly USA, LLC 3 $71.04
ABBVIE INC. 3 $70.36
UCB, Inc. 2 $69.81
Abbott Laboratories 1 $64.61
Novartis Pharmaceuticals Corporation 2 $56.50
Eisai Inc. 2 $48.19
EMD Serono, Inc. 2 $44.29
Merz Pharmaceuticals, LLC 1 $36.04
Takeda Pharmaceuticals U.S.A., Inc. 1 $32.85
CSL Behring 1 $31.93
Lundbeck LLC 1 $24.70
PFIZER INC. 1 $24.70
ARGENX US, INC. 1 $21.19

By nature of payment

Consulting Fee
$3,400
Food and Beverage
$1,167
Travel and Lodging
$664
Education
$16

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,146
Patients
200
Total drug cost
$2,692,977
Drug Type Claims Patients Total cost
Gamunex-C (Immune Globul G/Gly/Iga Avg 46) Brand 177 12 $1,786,795
Carbidopa-Levodopa (Carbidopa/Levodopa) Brand 152 44 $10,562
Donepezil Hcl Generic 118 45 $2,300
Gabapentin Generic 117 28 $2,690
Fluoxetine Hcl Generic 87 20 $836
Lorazepam Generic 68 0 $1,220
Privigen (Immun Glob G(Igg)/Pro/Iga 0-50) Brand 66 0 $841,686
Baclofen Generic 61 13 $1,566
Nortriptyline Hcl Generic 55 15 $1,006
Dalfampridine Er (Dalfampridine) Brand 52 0 $40,528

Frequently asked questions

Auto-generated from federal data
What is Dr. Gabriel Tatarian's medical specialty?
Dr. Gabriel Tatarian practices Neurology Physician in Philadelphia, PA.
Where does Dr. Gabriel Tatarian practice?
Dr. Gabriel Tatarian practices at 1015 Chestnut St Ste 918, Philadelphia, PA 19107. Office phone: 2159221801.
What is Dr. Gabriel Tatarian's NPI?
Dr. Gabriel Tatarian's National Provider Identifier (NPI) is 1164487914, issued by NPPES.
Does Dr. Gabriel Tatarian accept Medicare assignment?
Yes. Dr. Gabriel Tatarian accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gabriel Tatarian commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Needle measurement of electrical activity in arm or leg muscles, complete study (HCPCS 95886); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.