Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Jonathon Brian Posthumus, MD

Individual provider Allergy & Immunology Physician · NPI 1255536553

Jonathon Brian Posthumus, MD is an Allergy/Immunology in Fredericksburg, Virginia. Qualified in 2007, 19 years ago. Practices with Allergy Partners PLLC, a 143-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Virginia.

Years since qualifying
19
Licensed in
VA
In the registry since
2007
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

511 Park Hill Dr
Fredericksburg, VA 22401-3377
Phone: (540) 371-5660
Fax: (540) 372-6920
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Allergy & Immunology Physician (primary) Taxonomy 207K00000X · Licence 0101251294 (VA)

Record details

NPI number1255536553
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 18, 2007
Last updated in NPPESOctober 31, 2023
Certification dateOctober 31, 2023
Mailing addressPo Box 603725, Charlotte, NC 28260-3725

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyALLERGY/IMMUNOLOGY
Also practisesINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2007 (19 years in practice)
Group practice Allergy Partners Pllc — 143 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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