Doctor profile · Federal record

Dr. Mariana Middelhof, M.D

Pediatric Gastroenterology Physician · Pediatric Gastroenterology Physician · Fairfax, VA

  • NPI 1710293337
  • MIPS 82.6 / 100 · 2023
  • 16 yrs on file
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3023 Hamaker CT Ste 600
Fairfax, VA 220312241
(703) 839-8733
fax (703) 839-8779
Mailing address
3023 Hamaker CT Ste 200
Fairfax, VA 220312240

Credentials & registration

NPPES · NUCC
NPI registered
August 2010 — 16 yrs on file
Profile last updated
May 23, 2025
Specialty taxonomy
2080P0206X — NUCC code
State licenses (2)
Florida #ME129529 · New York #282433

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1710293337. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,167
Distinct HCPCS
2
Medicare allowed
$25,900
HCPCS Description Services Patients Avg allowed
J0897 Injection, denosumab, 1 mg 1,140 18 $22
96372 Injection of drug or substance under skin or into muscle 27 22 $14

In context: peer comparison

Among 1 peers in Fairfax Pediatric Gastroenterology Physician, average services per provider: 583. This provider delivers 2.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$534
Transactions
22
Manufacturers
11
Payer (manufacturer) Industry Txns Amount
Qol Medical, LLC 6 $165.96
Janssen Biotech, INC. 6 $117.28
Regeneron Healthcare Solutions, INC. 2 $57.83
Phadia US INC. 1 $37.65
Genzyme Corporation 1 $28.81
Ardelyx, INC. 1 $27.61
Takeda Pharmaceuticals U.S.A., INC. 1 $22.49
Aimmune Therapeutics, INC. 1 $20.50
Lilly USA, LLC 1 $20.50
Ironwood Pharmaceuticals, INC 1 $19.67
Abbvie INC. 1 $16.19

By nature of payment

Food and Beverage
$534

Frequently asked questions

Auto-generated from federal data
What is Dr. Mariana Middelhof's medical specialty?
Dr. Mariana Middelhof practices Pediatric Gastroenterology Physician in Fairfax, VA.
Where does Dr. Mariana Middelhof practice?
Dr. Mariana Middelhof practices at 3023 Hamaker CT Ste 600, Fairfax, VA 220312241. Office phone: 7038398733.
What is Dr. Mariana Middelhof's NPI?
Dr. Mariana Middelhof's National Provider Identifier (NPI) is 1710293337, issued by NPPES.
What procedures does Dr. Mariana Middelhof commonly perform?
Top Medicare-reported procedures in 2023: 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.