Doctor profile · Federal record

Dr. Landon Massoth, M.D.

Otolaryngology Physician (CMS: Otolaryngology) · Otolaryngology Physician · Tulsa, OK

  • NPI 1497169734
  • Accepts Medicare
  • MIPS 42.1 / 100 · 2023
  • 6 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
5020 E 68Th St
Tulsa, OK 741363307
(918) 492-3636
fax (918) 494-8915
Additional location
1959 Ne Pacific St
Seattle, WA 981955036
(206) 520-5000
Additional location
9343 S Mingo RD
Tulsa, OK 741335702

Credentials & registration

NPPES · NUCC
NPI registered
June 2014 — 12 yrs on file
Profile last updated
July 9, 2020
Year of graduation
2020 — 6 yrs since
Specialty taxonomy
207Y00000X — NUCC code
State licenses (2)
Oklahoma #30729 · Washington #MD60927106
Medicaid
WA #1497169734

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1497169734. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
254
Distinct HCPCS
6
Medicare allowed
$39,650
HCPCS Description Services Patients Avg allowed
31231 Diagnostic exam of nasal passages using an endoscope 96 62 $170
31237 Biopsy or removal of nasal polyp or tissue using an endoscope 40 24 $287
99212 Established patient office or other outpatient visit, 10-19 minutes 37 29 $53
99204 New patient office or other outpatient visit, 45-59 minutes 35 35 $156
99213 Established patient office or other outpatient visit, 20-29 minutes 25 21 $81
99214 Established patient office or other outpatient visit, 30-39 minutes 21 19 $118

In context: peer comparison

Among 14 peers in this city , average services per provider: 70. This provider delivers 3.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$445
Transactions
21
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
Regeneron Healthcare Solutions, Inc. 7 $184.64
GENZYME CORPORATION 10 $180.71
Optinose US, Inc. 2 $37.34
GlaxoSmithKline, LLC. 1 $24.97
Integra LifeSciences Corporation 1 $17.26

By nature of payment

Food and Beverage
$445

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
110
Patients
65
Total drug cost
$2,321
Drug Type Claims Patients Total cost
Azelastine Hcl Generic 24 13 $960
Doxycycline Hyclate Generic 17 13 $191
Ipratropium Bromide Generic 16 0 $783
Fluticasone Propionate Generic 14 0 $218
Ondansetron Odt (Ondansetron) Brand 14 14 $103
Oxycodone Hcl Generic 14 14 $34
Ibuprofen Generic 11 11 $32

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Landon Massoth's medical specialty?
Dr. Landon Massoth practices Otolaryngology Physician in Tulsa, OK.
Where does Dr. Landon Massoth practice?
Dr. Landon Massoth practices at 5020 E 68Th St, Tulsa, OK 741363307. Office phone: 9184923636.
What is Dr. Landon Massoth's NPI?
Dr. Landon Massoth's National Provider Identifier (NPI) is 1497169734, issued by NPPES.
Does Dr. Landon Massoth accept Medicare assignment?
Yes. Dr. Landon Massoth accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Landon Massoth commonly perform?
Top Medicare-reported procedures in 2023: Diagnostic exam of nasal passages using an endoscope (HCPCS 31231); Biopsy or removal of nasal polyp or tissue using an endoscope (HCPCS 31237); Established patient office or other outpatient visit (HCPCS 99212). Source: CMS Medicare Physician & Other Practitioners file.