Doctor profile · Federal record

Dr. Ryan Lok, D.O

Pulmonary Disease Physician (CMS: Hospitalist) · Indianapolis, IN

  • NPI 1851771786
  • Accepts Medicare
  • MIPS 91.3 / 100 · 2023
  • 11 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1400 N Ritter Ave Ste 375
Indianapolis, IN 462193049
(317) 355-1411
Mailing address
6626 E 75Th St Ste 500
Indianapolis, IN 462502890

Credentials & registration

NPPES · NUCC
NPI registered
June 2015 — 11 yrs on file
Profile last updated
May 1, 2025
Year of graduation
2015 — 11 yrs since
Specialty taxonomy
207RP1001X — NUCC code
State license (1)
Indiana #02008003A

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1851771786. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,206
Distinct HCPCS
10
Medicare allowed
$116,034
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 275 169 $119
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 139 88 $75
99291 Critical care, first 30-74 minutes 122 60 $203
94729 Test to examine how well the lungs exchange gases 105 102 $51
94726 Test to determine lung volumes using sensors 91 91 $49
99204 New patient office or other outpatient visit, 45-59 minutes 83 83 $153
94060 Test to measure expiratory airflow and volume changes before and after medication administration 75 74 $35
94664 Evaluation of use of breathing device 68 68 $15
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 44 42 $121
94010 Test to measure expiratory airflow and volume 41 39 $25

In context: peer comparison

Among 21 peers in Indianapolis Pulmonary Disease Physician, average services per provider: 66. This provider delivers 18× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,199
Transactions
53
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals Lp 17 $311.80
Mylan Specialty L.P. 7 $150.85
Boehringer Ingelheim Pharmaceuticals, INC. 5 $143.51
Genzyme Corporation 4 $119.48
Takeda Pharmaceuticals U.S.A., INC. 5 $115.79
Ani Pharmaceuticals, INC. 4 $80.34
Regeneron Healthcare Solutions, INC. 2 $65.32
GlaxoSmithKline, LLC. 2 $42.59
Amgen INC. 1 $32.56
Actelion Pharmaceuticals US, INC. 1 $29.84
Baxter Healthcare 1 $24.41
United Therapeutics Corporation 1 $23.62
Grifols USA, LLC 1 $22.14
Mallinckrodt Hospital Products INC. 1 $20.42
Pfizer INC. 1 $16.45

By nature of payment

Food and Beverage
$1,199

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
654
Patients
200
Total drug cost
$356,816
Drug Type Claims Patients Total cost
Trelegy Ellipta (Fluticasone/Umeclidin/Vilanter) Brand 228 60 $216,815
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 138 51 $4,382
Breo Ellipta (Fluticasone/Vilanterol) Brand 56 19 $30,752
Breztri Aerosphere (Budesonide/Glycopyr/Formoterol) Brand 53 20 $46,784
Prednisone Generic 49 35 $179
Symbicort (Budesonide/Formoterol Fumarate) Brand 29 15 $21,669
Advair Hfa (Fluticasone Propion/Salmeterol) Brand 21 0 $15,026
Anoro Ellipta (Umeclidinium Brm/Vilanterol Tr) Brand 21 0 $14,821
Azithromycin Generic 20 0 $235
Fluticasone Propionate Generic 16 0 $293

Frequently asked questions

Auto-generated from federal data
What is Dr. Ryan Lok's medical specialty?
Dr. Ryan Lok practices Pulmonary Disease Physician in Indianapolis, IN.
Where does Dr. Ryan Lok practice?
Dr. Ryan Lok practices at 1400 N Ritter Ave Ste 375, Indianapolis, IN 462193049. Office phone: 3173551411.
What is Dr. Ryan Lok's NPI?
Dr. Ryan Lok's National Provider Identifier (NPI) is 1851771786, issued by NPPES.
Does Dr. Ryan Lok accept Medicare assignment?
Yes. Dr. Ryan Lok accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ryan Lok commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.