Physician Profile
Mariana SYLVIA JOANNE Middelhof, M.D
Unclaimed ProfileAbout Dr. Middelhof
Mariana SYLVIA JOANNE Middelhof, M.D practices pediatric gastroenterology in Fairfax, VA. Mariana is also listed as specializing in pediatrics. Medicare claims data shows Mariana provided 1,487 services to 48 patients. The services billed most often include injection, denosumab, 1 mg and injection of drug or substance under skin or into muscle. The provider's National Provider Identifier (NPI) is 1710293337.
Factual summary compiled by Guide.md from public records; not written by this provider.
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (703) 839-8733
- Email not available
Practice Locations
3023 HAMAKER CT STE 600
Fairfax, VA 22031
Conditions Commonly Evaluated or Treated
Within Gastroenterology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
- Acid reflux
- Celiac disease
- Crohn's disease
- Hemorrhoids
- IBS
- Swallowing difficulties
- Ulcerative colitis
Biliary and pancreas
Colon and anorectal
Esophagus and swallowing
Functional bowel and motility
Liver
- Ascites
- Autoimmune hepatitis
- Cirrhosis
- Fatty liver disease
- Hemochromatosis
- Hepatitis B
- Hepatitis C
- Portal hypertension
Stomach and duodenum
Bowel & Colon
Digestive Symptoms
Gallbladder & Bile Ducts
Procedures & services
Most searched procedures
Lower endoscopy
Upper endoscopy
Capsule and physiology testing
Diagnostic Testing
Liver procedures
Treatments
Procedures Most Often Billed to Medicare
1,487 services · 48 patients · 2 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
47 |
| Injection, denosumab, 1 mg | Drug given | J0897 |
1,440 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other pediatric gastroenterology specialists at this location 1
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Common questions
What is Mariana SYLVIA JOANNE Middelhof's specialty?
Mariana SYLVIA JOANNE Middelhof is a pediatric gastroenterology in Fairfax, VA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find Mariana SYLVIA JOANNE Middelhof?
Mariana SYLVIA JOANNE Middelhof is listed at 3023 Hamaker CT Ste 600, Fairfax, VA 22031. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Mariana SYLVIA JOANNE Middelhof?
The number on file is (703) 839-8733. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Mariana SYLVIA JOANNE Middelhof?
Mariana SYLVIA JOANNE Middelhof's National Provider Identifier is 1710293337. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
How much experience does Mariana SYLVIA JOANNE Middelhof have?
Mariana SYLVIA JOANNE Middelhof has 16+ years experience. Registered with an NPI since 2010. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
What is Mariana SYLVIA JOANNE Middelhof known for?
According to Medicare billing data, Mariana SYLVIA JOANNE Middelhof provides treatments such as injection of drug or substance under skin or into muscle. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Mariana SYLVIA JOANNE Middelhof's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Mariana SYLVIA JOANNE Middelhof. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.