Doctor profile · Federal record

Dr. Gayane Chalyan, D.O.

Emergency Medicine Physician (CMS: Internal Medicine) · Internal Medicine Physician · Internal Medicine Physician · Lubbock, TX

  • NPI 1891134748
  • Accepts Medicare
  • 14 yrs in practice
  • Licensed in 3 states
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4810 N Loop 289
Lubbock, TX 794163025
(806) 472-5373

Credentials & registration

NPPES · NUCC
NPI registered
June 2013 — 13 yrs on file
Profile last updated
October 10, 2024
Year of graduation
2012 — 14 yrs since
Specialty taxonomy
207P00000X — NUCC code
State licenses (3)
Nevada #DO2781 · California #20A15535 · Texas #S8162

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1891134748. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
326
Distinct HCPCS
7
Medicare allowed
$39,165
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 106 48 $114
99285 Emergency department visit with high level of medical decision making 89 87 $169
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 37 37 $8
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 31 30 $167
99239 Hospital discharge day management, more than 30 minutes 29 29 $110
99221 Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 17 17 $80
99284 Emergency department visit with moderate level of medical decision making 17 17 $116

In context: peer comparison

Among 17 peers in Lubbock Emergency Medicine Physician, average services per provider: 57. This provider delivers 5.7× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
145
Patients
128
Total drug cost
$1,097
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 45 32 $440
Prednisone Generic 28 25 $109
Levofloxacin Generic 19 19 $62
Potassium Chloride Generic 16 15 $208
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 13 13 $133
Clonidine Hcl Generic 13 13 $34
Doxycycline Hyclate Generic 11 11 $111

Frequently asked questions

Auto-generated from federal data
What is Dr. Gayane Chalyan's medical specialty?
Dr. Gayane Chalyan practices Emergency Medicine Physician in Lubbock, TX.
Where does Dr. Gayane Chalyan practice?
Dr. Gayane Chalyan practices at 4810 N Loop 289, Lubbock, TX 794163025. Office phone: 8064725373.
What is Dr. Gayane Chalyan's NPI?
Dr. Gayane Chalyan's National Provider Identifier (NPI) is 1891134748, issued by NPPES.
Does Dr. Gayane Chalyan accept Medicare assignment?
Yes. Dr. Gayane Chalyan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gayane Chalyan commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Emergency department visit with high level of medical decision making (HCPCS 99285); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010). Source: CMS Medicare Physician & Other Practitioners file.