Doctor profile · Federal record

Dr. Sydney Lassen, PA-C

Surgical Physician Assistant (CMS: Physician Assistant) · Physician Assistant · Dearborn, MI

  • NPI 1932557907
  • Accepts Medicare
  • 10 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
18101 Oakwood Blvd
Dearborn, MI 481244089
(313) 593-7000
Additional location
5544 Greenwich RD Ste 200
Virginia Beach, VA 234626563
(757) 466-0089
fax (757) 466-8017
Mailing address
26901 Beaumont Blvd Ste 3D
Southfield, MI 480333849

Credentials & registration

NPPES · NUCC
NPI registered
May 2016 — 10 yrs on file
Profile last updated
June 9, 2025
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
363AS0400X — NUCC code
State licenses (2)
Michigan #5601013055 · Florida #PA9109523

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1932557907. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
71
Distinct HCPCS
3
Medicare allowed
$7,004
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 30 25 $64
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 21 21 $141
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 20 19 $106

In context: peer comparison

Among 3 peers in this city , average services per provider: 42. This provider delivers 1.7× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$123
Transactions
7
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Janssen Pharmaceuticals, Inc 4 $61.85
Merck Sharp & Dohme LLC 2 $33.74
Novartis Pharmaceuticals Corporation 1 $27.00

By nature of payment

Food and Beverage
$123

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Sydney Lassen's medical specialty?
Dr. Sydney Lassen practices Surgical Physician Assistant in Dearborn, MI.
Where does Dr. Sydney Lassen practice?
Dr. Sydney Lassen practices at 18101 Oakwood Blvd, Dearborn, MI 481244089. Office phone: 3135937000.
What is Dr. Sydney Lassen's NPI?
Dr. Sydney Lassen's National Provider Identifier (NPI) is 1932557907, issued by NPPES.
Does Dr. Sydney Lassen accept Medicare assignment?
Yes. Dr. Sydney Lassen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sydney Lassen commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with moderate level of medical decision making (HCPCS 99223); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.