Doctor profile · Federal record

Dr. Siobhan Forbes, RN, A-GNP-C

Nurse Practitioner · Nurse Practitioner · Silver Spring, MD

  • NPI 1104360825
  • Accepts Medicare
  • 10 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
8700 Georgia Ave, Suite 400
Silver Spring, MD 209103618
(301) 585-6049

Credentials & registration

NPPES · NUCC
NPI registered
December 2016 — 10 yrs on file
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
363L00000X — NUCC code
State licenses (2)
Maryland #R204594 · District of Columbia #RN1011865

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1104360825. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,336
Distinct HCPCS
10
Medicare allowed
$65,279
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 308 198 $123
36415 Insertion of needle into vein for collection of blood sample 178 118 $8
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 136 97 $8
80053 Blood test, comprehensive group of blood chemicals 83 76 $10
99213 Established patient office or other outpatient visit, 20-29 minutes 81 66 $88
83690 Lipase (fat enzyme) level 53 51 $7
83540 Iron level 52 43 $6
83550 Iron binding capacity 52 43 $9
82150 Amylase (enzyme) level 51 49 $6
99215 Established patient office or other outpatient visit, 40-54 minutes 47 38 $173

In context: peer comparison

Among 5 peers in this city , average services per provider: 48. This provider delivers 28× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$580
Transactions
17
Manufacturers
7
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 5 $283.32
Janssen Scientific Affairs, LLC 2 $75.25
PFIZER INC. 3 $70.21
Janssen Biotech, Inc. 2 $45.44
Novo Nordisk Inc 2 $38.51
Phathom Pharmaceuticals, Inc. 2 $36.48
Amgen Inc. 1 $30.78

By nature of payment

Food and Beverage
$580

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
91
Patients
62
Total drug cost
$2,419
Drug Type Claims Patients Total cost
Omeprazole Generic 42 32 $808
Famotidine Generic 25 19 $464
Pantoprazole Sodium Generic 13 0 $212
Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,mag Sulfates) Brand 11 11 $934

Frequently asked questions

Auto-generated from federal data
What is Dr. Siobhan Forbes's medical specialty?
Dr. Siobhan Forbes practices Nurse Practitioner in Silver Spring, MD.
Where does Dr. Siobhan Forbes practice?
Dr. Siobhan Forbes practices at 8700 Georgia Ave, Silver Spring, MD 209103618. Office phone: 3015856049.
What is Dr. Siobhan Forbes's NPI?
Dr. Siobhan Forbes's National Provider Identifier (NPI) is 1104360825, issued by NPPES.
Does Dr. Siobhan Forbes accept Medicare assignment?
Yes. Dr. Siobhan Forbes accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Siobhan Forbes commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Insertion of needle into vein for collection of blood sample (HCPCS 36415); Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (HCPCS 85025). Source: CMS Medicare Physician & Other Practitioners file.