Physician Profile
Unclaimed ProfileAbout POSTHUMUS
Jonathon Brian Posthumus, MD practices allergy/immunology in Fredericksburg, VA. Jonathon is also listed as specializing in allergy & immunology. Medicare claims data shows Jonathon provided 16,652 services to 820 patients.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (540) 371-5660
- Email not available
Practice Locations
511 PARK HILL DR
Fredericksburg, VA 22401
Procedures Most Often Billed to Medicare
16,652 services · 820 patients · 16 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Test for allergy using allergenic extract | Treatment | 95004 |
1,373 |
| Professional service for preparation and provision of 1 or more antigens | Treatment | 95165 |
475 |
| Professional service for multiple injections of allergen | Treatment | 95117 |
458 |
| Test for allergy using allergenic extract injected into skin | Treatment | 95024 |
333 |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
219 |
| Administration and interpretation of patient-focused health risk assessment | Treatment | 96160 |
182 |
| Professional service for single injection of allergen | Treatment | 95115 |
124 |
| Test to measure rate of airflow | Treatment | 94375 |
95 |
| Test to measure expiratory airflow and volume changes before and after medication administration | Treatment | 94060 |
22 |
| Injection, tezepelumab-ekko, 1 mg | Drug given | J2356 |
8,610 |
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 allergy/immunology specialists at this location 2
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.
Other allergy/immunology specialists in Fredericksburg 2
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2007 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Test for allergy using allergenic extract 8
Providers in VA who bill this service to Medicare most often.
Common questions
What does Dr. Posthumus specialize in?
Dr. Posthumus is an allergy/immunology in Fredericksburg, VA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “ALLERGY/IMMUNOLOGY”.
NPI registry
Where is Dr. Posthumus located?
Dr. Posthumus is listed at 511 PARK HILL DR, Fredericksburg, VA 22401. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Posthumus's phone number?
The number on file is (540) 371-5660. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Posthumus?
Dr. Posthumus's National Provider Identifier is 1255536553. 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
Where did Dr. Posthumus go to medical school?
Dr. Posthumus attended Other, graduating in 2007. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Posthumus have?
Dr. Posthumus has 19 years experience. Calculated from a graduation year of 2007, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Posthumus do most often?
According to Medicare billing data, Dr. Posthumus provides treatments such as test for allergy using allergenic extract and professional service for preparation and provision of 1 or more antigens, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Posthumus's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Posthumus. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.