Doctor profile · Federal record

Dr. William Tsao, MD

Neurology Physician (CMS: Neurology) · Baltimore, MD

  • NPI 1073923777
  • Accepts Medicare
  • 11 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
600 N Wolfe Street, Zayed 6005
Baltimore, MD 212870010
(410) 614-9671
fax (410) 614-7536
Mailing address
9910 Franklin Square Dr Ste 2110
Baltimore, MD 212364902

Credentials & registration

NPPES · NUCC
NPI registered
May 2014 — 12 yrs on file
Profile last updated
August 19, 2019
Year of graduation
2015 — 11 yrs since
Specialty taxonomy
2084N0400X — NUCC code
State license (1)
Maryland #D87508

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1073923777. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
629
Distinct HCPCS
10
Medicare allowed
$108,876
HCPCS Description Services Patients Avg allowed
99215 Established patient office or other outpatient visit, 40-54 minutes 147 110 $192
99214 Established patient office or other outpatient visit, 30-39 minutes 112 102 $135
95886 Needle measurement of electrical activity in arm or leg muscles, complete study 110 98 $105
99205 New patient office or other outpatient visit, 60-74 minutes 77 77 $233
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 50 50 $181
95911 Nerve conduction, 9-10 studies 26 26 $219
95913 Nerve conduction, 13 or more studies 23 23 $308
95912 Nerve conduction, 11-12 studies 20 20 $267
99213 Established patient office or other outpatient visit, 20-29 minutes 19 18 $97
95909 Nerve conduction, 5-6 studies 16 16 $145

In context: peer comparison

Among 71 peers in Baltimore Neurology Physician, average services per provider: 78. This provider delivers 8.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$81
Transactions
3
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 3 $81.41

By nature of payment

Food and Beverage
$81

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
256
Patients
57
Total drug cost
$12,915
Drug Type Claims Patients Total cost
Gabapentin Generic 140 57 $3,821
Nortriptyline Hcl Generic 23 0 $590
Pregabalin Generic 20 0 $1,799
Carbidopa-Levodopa (Carbidopa/Levodopa) Brand 19 0 $1,575
Pyridostigmine Bromide Generic 17 0 $2,416
Duloxetine Hcl Generic 13 0 $2,075
Levetiracetam Generic 12 0 $317
Propranolol Hcl Generic 12 0 $323

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. William Tsao's medical specialty?
Dr. William Tsao practices Neurology Physician in Baltimore, MD.
Where does Dr. William Tsao practice?
Dr. William Tsao practices at 600 N Wolfe Street, Baltimore, MD 212870010. Office phone: 4106149671.
What is Dr. William Tsao's NPI?
Dr. William Tsao's National Provider Identifier (NPI) is 1073923777, issued by NPPES.
Does Dr. William Tsao accept Medicare assignment?
Yes. Dr. William Tsao accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Tsao commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Established patient office or other outpatient visit (HCPCS 99214); Needle measurement of electrical activity in arm or leg muscles, complete study (HCPCS 95886). Source: CMS Medicare Physician & Other Practitioners file.