Doctor profile · Federal record

Dr. William Mullins, M.D.

Rheumatology Physician · North Bethesda, MD

  • NPI 1518942184
  • MIPS 89.8 / 100 · 2023
  • 21 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
6001 Montrose RD, Suite 702
North Bethesda, MD 208524817
(301) 230-5888
fax (301) 230-2488

Credentials & registration

NPPES · NUCC
NPI registered
December 2005 — 21 yrs on file
Profile last updated
November 8, 2012
Specialty taxonomy
207RR0500X — NUCC code
State license (1)
Maryland #D29196

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1518942184. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
40,349
Distinct HCPCS
10
Medicare allowed
$324,434
HCPCS Description Services Patients Avg allowed
J0717 Injection, certolizumab pegol, 1 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered) 37,000 13 $5
J0897 Injection, denosumab, 1 mg 2,340 25 $23
96372 Injection of drug or substance under skin or into muscle 246 42 $16
99214 Established patient office or other outpatient visit, 30-39 minutes 228 134 $141
99215 Established patient office or other outpatient visit, 40-54 minutes 168 131 $196
J7050 Infusion, normal saline solution, 250 cc 115 21 $1
96365 Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less 106 28 $76
J3489 Injection, zoledronic acid, 1 mg 65 13 $8
99205 New patient office or other outpatient visit, 60-74 minutes 28 28 $246
G0008 Administration of influenza virus vaccine 22 21 $33

In context: peer comparison

Among 2 peers in this city , average services per provider: 3,570. This provider delivers 11× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$100
Transactions
4
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 4 $99.73

By nature of payment

Food and Beverage
$100

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
883
Patients
196
Total drug cost
$1,199,243
Drug Type Claims Patients Total cost
Methotrexate (Methotrexate Sodium) Brand 256 76 $13,488
Prednisone Generic 152 52 $2,709
Tramadol Hcl Generic 78 17 $1,181
Leucovorin Calcium Generic 68 21 $969
Meloxicam Generic 55 17 $455
Enbrel (Etanercept) Brand 39 0 $446,105
Enbrel Sureclick (Etanercept) Brand 36 0 $505,198
Alendronate Sodium Generic 33 13 $470
Gabapentin Generic 29 0 $579
Allopurinol Generic 26 0 $351

Frequently asked questions

Auto-generated from federal data
What is Dr. William Mullins's medical specialty?
Dr. William Mullins practices Rheumatology Physician in North Bethesda, MD.
Where does Dr. William Mullins practice?
Dr. William Mullins practices at 6001 Montrose RD, North Bethesda, MD 208524817. Office phone: 3012305888.
What is Dr. William Mullins's NPI?
Dr. William Mullins's National Provider Identifier (NPI) is 1518942184, issued by NPPES.
What procedures does Dr. William Mullins commonly perform?
Top Medicare-reported procedures in 2023: Injection, certolizumab pegol, 1 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered) (HCPCS J0717); Injection, denosumab, 1 mg (HCPCS J0897); Injection of drug or substance under skin or into muscle (HCPCS 96372). Source: CMS Medicare Physician & Other Practitioners file.