Doctor profile · Federal record

Dr. Marie O'Brien, D.O.

Rheumatology Physician (CMS: Rheumatology) · Allentown, PA

  • NPI 1083836464
  • Accepts Medicare
  • 24 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3080 Hamilton Blvd, Suite 300
Allentown, PA 181033694
(610) 776-5038
Mailing address
Po Box 783311
Philadelphia, PA 191783311

Credentials & registration

NPPES · NUCC
NPI registered
May 2007 — 19 yrs on file
Profile last updated
November 18, 2015
Year of graduation
2002 — 24 yrs since
Specialty taxonomy
207RR0500X — NUCC code
State license (1)
Pennsylvania #OS012497

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1083836464. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
17,071
Distinct HCPCS
10
Medicare allowed
$203,736
HCPCS Description Services Patients Avg allowed
J0717 Injection, certolizumab pegol, 1 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered) 13,200 20 $5
J0897 Injection, denosumab, 1 mg 3,120 45 $23
99214 Established patient office or other outpatient visit, 30-39 minutes 450 312 $95
96401 Administration of non-hormonal anti-neoplastic chemotherapy under skin or into muscle 66 20 $69
96372 Injection of drug or substance under skin or into muscle 63 49 $13
99214 Established patient office or other outpatient visit, 30-39 minutes 63 50 $112
99205 New patient office or other outpatient visit, 60-74 minutes 32 32 $176
20610 Aspiration and/or injection of fluid from large joint 28 22 $51
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 21 21 $116
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 16 14 $77

In context: peer comparison

Among 4 peers in Allentown Rheumatology Physician, average services per provider: 1,056. This provider delivers 16× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$370
Transactions
4
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Amgen INC. 3 $244.88
Aurinia Pharma U.S., INC. 1 $124.80

By nature of payment

Food and Beverage
$370

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,926
Patients
495
Total drug cost
$731,569
Drug Type Claims Patients Total cost
Hydroxychloroquine Sulfate Generic 489 122 $29,899
Methotrexate (Methotrexate Sodium) Brand 251 66 $10,021
Prednisone Generic 211 78 $1,661
Gabapentin Generic 203 61 $5,185
Diclofenac Sodium Generic 128 46 $3,206
Meloxicam Generic 114 34 $912
Allopurinol Generic 104 26 $2,115
Alendronate Sodium Generic 94 27 $865
Duloxetine Hcl Generic 86 23 $2,655
Pregabalin Generic 60 0 $1,285

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Marie O'Brien's medical specialty?
Dr. Marie O'Brien practices Rheumatology Physician in Allentown, PA.
Where does Dr. Marie O'Brien practice?
Dr. Marie O'Brien practices at 3080 Hamilton Blvd, Allentown, PA 181033694. Office phone: 6107765038.
What is Dr. Marie O'Brien's NPI?
Dr. Marie O'Brien's National Provider Identifier (NPI) is 1083836464, issued by NPPES.
Does Dr. Marie O'Brien accept Medicare assignment?
Yes. Dr. Marie O'Brien accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Marie O'Brien commonly perform?
Top Medicare-reported procedures in 2023: Injection, certolizumab pegol, 1 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered) (HCPCS J0717); Injection, denosumab, 1 mg (HCPCS J0897); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.