Doctor profile · Federal record

Dr. Marilou Oh, PA-C

Medical Physician Assistant (CMS: Physician Assistant) · New Haven, CT

  • NPI 1689761108
  • Accepts Medicare
  • MIPS 95.9 / 100 · 2023
  • 24 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1 Long Wharf Dr Ste 212, Advanced Diagnostic Pain Treatment Centers, PC
New Haven, CT 065115593
(203) 624-4208
fax (203) 624-4301

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
November 10, 2021
Year of graduation
2002 — 24 yrs since
Specialty taxonomy
363AM0700X — NUCC code
State license (1)
Connecticut #001257

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1689761108. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
429
Distinct HCPCS
5
Medicare allowed
$39,468
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 257 149 $81
99215 Established patient office or other outpatient visit, 40-54 minutes 88 79 $119
99204 New patient office or other outpatient visit, 45-59 minutes 45 45 $110
99213 Established patient office or other outpatient visit, 20-29 minutes 27 25 $55
99205 New patient office or other outpatient visit, 60-74 minutes 12 12 $150

In context: peer comparison

Among 59 peers in New Haven Medical Physician Assistant, average services per provider: 56. This provider delivers 7.7× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
891
Patients
276
Total drug cost
$11,960
Drug Type Claims Patients Total cost
Gabapentin Generic 359 95 $5,240
Tizanidine Hcl Generic 205 80 $1,028
Celecoxib Generic 91 36 $1,863
Pregabalin Generic 65 20 $1,648
Duloxetine Hcl Generic 57 27 $1,023
Diazepam Generic 21 18 $13
Meloxicam Generic 20 0 $65
Tramadol Hcl Generic 20 0 $292
Baclofen Generic 15 0 $199
Diclofenac Sodium Generic 14 0 $269

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Marilou Oh's medical specialty?
Dr. Marilou Oh practices Medical Physician Assistant in New Haven, CT.
Where does Dr. Marilou Oh practice?
Dr. Marilou Oh practices at 1 Long Wharf Dr Ste 212, New Haven, CT 065115593. Office phone: 2036244208.
What is Dr. Marilou Oh's NPI?
Dr. Marilou Oh's National Provider Identifier (NPI) is 1689761108, issued by NPPES.
Does Dr. Marilou Oh accept Medicare assignment?
Yes. Dr. Marilou Oh accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Marilou Oh commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99215); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.