Doctor profile · Federal record

Dr. Joseph Masdeu, M.D., PH.D.

Neurology Physician (CMS: Neurology) · Bethesda, MD

  • NPI 1376853770
  • Accepts Medicare
  • 57 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
National Institutes of Health, Building 10, Room 3C111
Bethesda, MD 208920001
(301) 443-2096
fax (301) 496-7437
Additional location
6560 Fannin St Ste 802
Houston, TX 770302726
(137) 441-1150
Mailing address
6560 Fannin St Ste 802
Houston, TX 770302726

Credentials & registration

NPPES · NUCC
NPI registered
October 2010 — 16 yrs on file
Profile last updated
July 14, 2020
Year of graduation
1969 — 57 yrs since
Specialty taxonomy
2084N0400X — NUCC code
State license (1)
Texas #Q4804

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1376853770. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
296
Distinct HCPCS
4
Medicare allowed
$52,932
HCPCS Description Services Patients Avg allowed
99215 Established patient office or other outpatient visit, 40-54 minutes 223 180 $181
99205 New patient office or other outpatient visit, 60-74 minutes 40 40 $224
99213 Established patient office or other outpatient visit, 20-29 minutes 19 18 $92
99214 Established patient office or other outpatient visit, 30-39 minutes 14 13 $130

In context: peer comparison

Among 14 peers in this city , average services per provider: 463. This provider delivers 0.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$13,093
Transactions
25
Manufacturers
8
Payer (manufacturer) Industry Txns Amount
Lilly USA, LLC 15 $12,851.57
Otsuka America Pharmaceutical, Inc. 3 $60.59
CSL Behring 2 $50.20
GE HEALTHCARE 1 $42.42
Lundbeck LLC 1 $27.16
Eisai Inc. 1 $24.69
Life Molecular Imaging Ltd 1 $19.45
ACADIA Pharmaceuticals Inc 1 $16.78

By nature of payment

Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program
$8,350
Consulting Fee
$3,444
Food and Beverage
$690
Travel and Lodging
$609

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
947
Patients
203
Total drug cost
$194,316
Drug Type Claims Patients Total cost
Donepezil Hcl Generic 397 108 $6,163
Memantine Hcl Generic 114 32 $6,378
Quetiapine Fumarate Generic 77 23 $3,059
Divalproex Sodium Generic 70 14 $1,658
Escitalopram Oxalate Generic 55 11 $785
Trazodone Hcl Generic 45 15 $239
Carbidopa-Levodopa (Carbidopa/Levodopa) Brand 39 0 $574
Ziprasidone Hcl Generic 27 0 $1,873
Clonazepam Generic 24 0 $333
Ingrezza (Valbenazine Tosylate) Brand 21 0 $163,096

Frequently asked questions

Auto-generated from federal data
What is Dr. Joseph Masdeu's medical specialty?
Dr. Joseph Masdeu practices Neurology Physician in Bethesda, MD.
Where does Dr. Joseph Masdeu practice?
Dr. Joseph Masdeu practices at National Institutes of Health, Bethesda, MD 208920001. Office phone: 3014432096.
What is Dr. Joseph Masdeu's NPI?
Dr. Joseph Masdeu's National Provider Identifier (NPI) is 1376853770, issued by NPPES.
Does Dr. Joseph Masdeu accept Medicare assignment?
Yes. Dr. Joseph Masdeu accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Joseph Masdeu commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); New patient office or other outpatient visit (HCPCS 99205); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.