Doctor profile · Federal record

Dr. Susan Mannan, M.D.

Allergy & Immunology Physician (CMS: Allergy/Immunology) · Fairfax, VA

  • NPI 1982735437
  • Accepts Medicare
  • 24 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3903-A Fair Ridge Dr.
Fairfax, VA 22033
(703) 648-0030
fax (703) 648-9028
Mailing address
3903-A Fair Ridge Drive
Fairfax, VA 22033

Credentials & registration

NPPES · NUCC
NPI registered
March 2007 — 19 yrs on file
Profile last updated
November 24, 2014
Year of graduation
2002 — 24 yrs since
Specialty taxonomy
207K00000X — NUCC code
State license (1)
Delaware #C7-0003656

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1982735437. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
44
Distinct HCPCS
2
Medicare allowed
$4,757
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 33 20 $102
99203 New patient office or other outpatient visit, 30-44 minutes 11 11 $127

In context: peer comparison

Among 4 peers in Fairfax Allergy & Immunology Physician, average services per provider: 154. This provider delivers 0.3× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,207
Transactions
50
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
GlaxoSmithKline, LLC. 9 $184.17
Optinose US, INC. 8 $143.90
AstraZeneca Pharmaceuticals Lp 7 $141.79
Pfizer INC. 5 $111.71
Genzyme Corporation 3 $111.64
Csl Behring 3 $85.00
Kaleo, INC. 2 $67.36
Genentech USA, INC. 2 $64.21
Lilly USA, LLC 2 $60.20
Grifols USA, LLC 2 $54.12
Regeneron Healthcare Solutions, INC. 2 $47.63
Pharming Healthcare, INC. 2 $44.29
BioCryst US Sales Co., LLC 1 $29.62
Amgen INC. 1 $28.28
Incyte Corporation 1 $18.42

By nature of payment

Food and Beverage
$1,207

Frequently asked questions

Auto-generated from federal data
What is Dr. Susan Mannan's medical specialty?
Dr. Susan Mannan practices Allergy & Immunology Physician in Fairfax, VA.
Where does Dr. Susan Mannan practice?
Dr. Susan Mannan practices at 3903-A Fair Ridge Dr., Fairfax, VA 22033. Office phone: 7036480030.
What is Dr. Susan Mannan's NPI?
Dr. Susan Mannan's National Provider Identifier (NPI) is 1982735437, issued by NPPES.
Does Dr. Susan Mannan accept Medicare assignment?
Yes. Dr. Susan Mannan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Susan Mannan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); New patient office or other outpatient visit (HCPCS 99203). Source: CMS Medicare Physician & Other Practitioners file.