Doctor profile · Federal record

Dr. Hannah O'Brien, PA-C

Physician Assistant · Grand Haven, MI

  • NPI 1376809434
  • Accepts Medicare
  • 15 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
15100 Whittaker Way
Grand Haven, MI 494178696
(616) 935-6320
Mailing address
100 Michigan St Ne, Mc 845
Grand Rapids, MI 495032560

Credentials & registration

NPPES · NUCC
NPI registered
April 2012 — 14 yrs on file
Profile last updated
February 24, 2021
Year of graduation
2011 — 15 yrs since
Specialty taxonomy
363A00000X — NUCC code
State license (1)
Michigan #5601006318

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1376809434. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
115
Distinct HCPCS
3
Medicare allowed
$8,075
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 69 57 $77
99213 Established patient office or other outpatient visit, 20-29 minutes 35 34 $69
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 11 11 $30

In context: peer comparison

Among 6 peers in Grand Haven Physician Assistant, average services per provider: 42. This provider delivers 2.7× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$432
Transactions
20
Manufacturers
7
Payer (manufacturer) Industry Txns Amount
Novo Nordisk INC 10 $158.97
Astellas Pharma US INC 1 $84.80
Lilly USA, LLC 1 $55.20
GlaxoSmithKline, LLC. 3 $51.74
AstraZeneca Pharmaceuticals Lp 3 $45.25
Pfizer INC. 1 $22.33
Abbvie INC. 1 $13.45

By nature of payment

Food and Beverage
$432

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,668
Patients
587
Total drug cost
$31,711
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 327 117 $6,440
Lisinopril Generic 242 76 $3,111
Levothyroxine Sodium Generic 196 70 $5,297
Omeprazole Generic 156 53 $3,573
Hydrochlorothiazide Generic 115 42 $938
Losartan Potassium Generic 94 36 $2,332
Metformin Hcl Generic 87 30 $1,455
Amlodipine Besylate Generic 80 32 $1,062
Sertraline Hcl Generic 68 23 $1,098
Fluticasone Propionate Generic 55 17 $1,066

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Hannah O'Brien's medical specialty?
Dr. Hannah O'Brien practices Physician Assistant in Grand Haven, MI.
Where does Dr. Hannah O'Brien practice?
Dr. Hannah O'Brien practices at 15100 Whittaker Way, Grand Haven, MI 494178696. Office phone: 6169356320.
What is Dr. Hannah O'Brien's NPI?
Dr. Hannah O'Brien's National Provider Identifier (NPI) is 1376809434, issued by NPPES.
Does Dr. Hannah O'Brien accept Medicare assignment?
Yes. Dr. Hannah O'Brien accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Hannah O'Brien 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 99213); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.