Doctor profile · Federal record

Dr. Dennis Parker, MD

Pulmonary Disease Physician (CMS: Internal Medicine) · Okc, OK

  • NPI 1649229097
  • Accepts Medicare
  • MIPS 77.7 / 100 · 2023
  • 49 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3366 Nw Expressway, #660
Okc, OK 731124416
(405) 947-3345
fax (405) 949-0849

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
October 10, 2011
Year of graduation
1977 — 49 yrs since
Specialty taxonomy
207RP1001X — NUCC code
State license (1)
Oklahoma #13570
Medicaid
OK #100018780A

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1649229097. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,525
Distinct HCPCS
7
Medicare allowed
$190,986
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 803 708 $120
94010 Test to measure expiratory airflow and volume 643 625 $24
99213 Established patient office or other outpatient visit, 20-29 minutes 553 514 $85
94726 Test to determine lung volumes using sensors 214 208 $49
94729 Test to examine how well the lungs exchange gases 173 168 $51
94060 Test to measure expiratory airflow and volume changes before and after medication administration 92 92 $35
99205 New patient office or other outpatient visit, 60-74 minutes 47 47 $204

In context: peer comparison

Among 1 peers in Okc Pulmonary Disease Physician, average services per provider: 360. This provider delivers 7.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$3,705
Transactions
176
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals Lp 30 $695.40
Genzyme Corporation 19 $493.27
Boehringer Ingelheim Pharmaceuticals, INC. 13 $433.57
GlaxoSmithKline, LLC. 31 $378.73
Regeneron Healthcare Solutions, INC. 15 $242.43
United Therapeutics Corporation 10 $234.28
Baxter Healthcare 10 $208.18
Insmed, INC. 10 $206.75
Amgen INC. 10 $166.83
Mylan Specialty L.P. 12 $141.51
Takeda Pharmaceuticals U.S.A., INC. 4 $93.61
Merck Sharp & Dohme LLC 3 $74.97
Novartis Pharmaceuticals Corporation 4 $71.86
Actelion Pharmaceuticals US, INC. 2 $54.28
Inogen, INC. 3 $38.74

By nature of payment

Food and Beverage
$3,682
Education
$23

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,627
Patients
1,060
Total drug cost
$2,946,830
Drug Type Claims Patients Total cost
Montelukast Sodium Generic 669 214 $16,694
Trelegy Ellipta (Fluticasone/Umeclidin/Vilanter) Brand 578 120 $516,258
Breo Ellipta (Fluticasone/Vilanterol) Brand 549 129 $313,833
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 370 168 $12,828
Advair Diskus (Fluticasone Propion/Salmeterol) Brand 225 47 $119,719
Prednisone Generic 167 80 $1,125
Symbicort (Budesonide/Formoterol Fumarate) Brand 159 35 $90,023
Breztri Aerosphere (Budesonide/Glycopyr/Formoterol) Brand 153 38 $128,998
Ofev (Nintedanib Esylate) Brand 126 19 $1,552,708
Anoro Ellipta (Umeclidinium Brm/Vilanterol Tr) Brand 120 24 $75,038

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Dennis Parker's medical specialty?
Dr. Dennis Parker practices Pulmonary Disease Physician in Okc, OK.
Where does Dr. Dennis Parker practice?
Dr. Dennis Parker practices at 3366 Nw Expressway, Okc, OK 731124416. Office phone: 4059473345.
What is Dr. Dennis Parker's NPI?
Dr. Dennis Parker's National Provider Identifier (NPI) is 1649229097, issued by NPPES.
Does Dr. Dennis Parker accept Medicare assignment?
Yes. Dr. Dennis Parker accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Dennis Parker commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Test to measure expiratory airflow and volume (HCPCS 94010); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.