Doctor profile · Federal record

Dr. Mary Oconnor, D.O.

Pulmonary Disease Physician (CMS: Pulmonary Disease) · Clarkston, MI

  • NPI 1851401129
  • Accepts Medicare
  • 24 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
5701 Bow Pointe Dr Ste 365
Clarkston, MI 48346
(248) 922-9283
fax (248) 922-9286

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
July 21, 2022
Year of graduation
2002 — 24 yrs since
Specialty taxonomy
207RP1001X — NUCC code
State license (1)
Michigan #5101015287
Medicaid
MI #4834181-11

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1851401129. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,145
Distinct HCPCS
10
Medicare allowed
$111,629
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 226 78 $82
99214 Established patient office or other outpatient visit, 30-39 minutes 218 131 $117
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 196 74 $120
99213 Established patient office or other outpatient visit, 20-29 minutes 127 91 $84
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 66 66 $177
94729 Test to examine how well the lungs exchange gases 55 54 $54
94726 Test to determine lung volumes using sensors 53 52 $52
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 48 42 $136
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 45 22 $52
94010 Test to measure expiratory airflow and volume 43 43 $26

In context: peer comparison

Among 2 peers in this city , average services per provider: 85. This provider delivers 13× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,570
Transactions
58
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals LP 18 $414.96
HARMONY BIOSCIENCES LLC 6 $233.13
Regeneron Healthcare Solutions, Inc. 5 $151.17
Takeda Pharmaceuticals U.S.A., Inc. 8 $144.27
Bone Support Inc. 1 $109.00
Mylan Specialty L.P. 3 $94.02
GlaxoSmithKline, LLC. 4 $71.03
Avadel CNS Pharmaceuticals, LLC 3 $66.95
Grifols USA, LLC 3 $61.93
GENZYME CORPORATION 2 $48.54
Boehringer Ingelheim Pharmaceuticals, Inc. 1 $32.72
ANI Pharmaceuticals, Inc. 1 $28.14
Insmed, Inc. 1 $26.09
Merck Sharp & Dohme LLC 1 $23.20
JAZZ PHARMACEUTICALS INC. 1 $23.01

By nature of payment

Food and Beverage
$1,419
Education
$151

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,148
Patients
313
Total drug cost
$507,248
Drug Type Claims Patients Total cost
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 230 67 $10,337
Trelegy Ellipta (Fluticasone/Umeclidin/Vilanter) Brand 222 47 $216,359
Breztri Aerosphere (Budesonide/Glycopyr/Formoterol) Brand 114 23 $109,595
Montelukast Sodium Generic 84 24 $1,102
Azithromycin Generic 70 22 $799
Armodafinil Generic 56 0 $3,046
Symbicort (Budesonide/Formoterol Fumarate) Brand 53 12 $28,478
Spiriva Respimat (Tiotropium Bromide) Brand 44 12 $38,388
Fluticasone-Salmeterol (Fluticasone Propion/Salmeterol) Brand 43 12 $15,332
Prednisone Generic 43 29 $157

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mary Oconnor's medical specialty?
Dr. Mary Oconnor practices Pulmonary Disease Physician in Clarkston, MI.
Where does Dr. Mary Oconnor practice?
Dr. Mary Oconnor practices at 5701 Bow Pointe Dr Ste 365, Clarkston, MI 48346. Office phone: 2489229283.
What is Dr. Mary Oconnor's NPI?
Dr. Mary Oconnor's National Provider Identifier (NPI) is 1851401129, issued by NPPES.
Does Dr. Mary Oconnor accept Medicare assignment?
Yes. Dr. Mary Oconnor accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mary Oconnor commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.