Doctor profile · Federal record

Dr. Marylynn Gonsalves, NP

Family Nurse Practitioner (CMS: Nurse Practitioner) · Nurse Practitioner · Gaithersburg, MD

  • NPI 1871539064
  • Accepts Medicare
  • 26 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
200 Girard St Ste 212
Gaithersburg, MD 208773490
(301) 216-0880
fax (301) 216-2891
Mailing address
200 Girard St, Suite 212A
Gaithersburg, MD 208773466

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
March 4, 2013
Year of graduation
2000 — 26 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State licenses (2)
Maryland #R136202 · California #NP13979

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1871539064. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
375
Distinct HCPCS
9
Medicare allowed
$26,788
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 94 74 $96
99213 Established patient office or other outpatient visit, 20-29 minutes 89 80 $70
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 54 54 $124
G0444 Annual depression screening, 5 to 15 minutes 54 54 $18
G0008 Administration of influenza virus vaccine 22 22 $35
90662 Influenza vaccine split virus, preservative free 20 20 $72
99497 Advance care planning, first 30 minutes 18 18 $78
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 13 12 $14
81002 Urinalysis, manual test 11 11 $3

In context: peer comparison

Among 11 peers in Gaithersburg Family Nurse Practitioner, average services per provider: 95. This provider delivers 3.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$167
Transactions
8
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
Pfizer INC. 3 $46.90
GlaxoSmithKline, LLC. 2 $45.02
Abbvie INC. 1 $30.40
Exact Sciences Corporation 1 $25.24
Merck Sharp & Dohme LLC 1 $19.24

By nature of payment

Food and Beverage
$167

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
377
Patients
77
Total drug cost
$23,582
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 55 20 $1,316
Lisinopril Generic 50 15 $480
Levothyroxine Sodium Generic 47 18 $744
Amlodipine Besylate Generic 39 12 $439
Hydrochlorothiazide Generic 28 0 $163
Metformin Hcl Generic 24 0 $260
Simvastatin Generic 23 0 $213
Losartan Potassium Generic 22 0 $455
Metoprolol Succinate Generic 15 0 $276
Rybelsus (Semaglutide) Brand 14 0 $17,728

Frequently asked questions

Auto-generated from federal data
What is Dr. Marylynn Gonsalves's medical specialty?
Dr. Marylynn Gonsalves practices Family Nurse Practitioner in Gaithersburg, MD.
Where does Dr. Marylynn Gonsalves practice?
Dr. Marylynn Gonsalves practices at 200 Girard St Ste 212, Gaithersburg, MD 208773490. Office phone: 3012160880.
What is Dr. Marylynn Gonsalves's NPI?
Dr. Marylynn Gonsalves's National Provider Identifier (NPI) is 1871539064, issued by NPPES.
Does Dr. Marylynn Gonsalves accept Medicare assignment?
Yes. Dr. Marylynn Gonsalves accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Marylynn Gonsalves 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.