JONATHON BRIAN POSTHUMUS MD
NPI 1255536553
Allergy & Immunology in Fredericksburg, VA

Q: What is Jonathon Posthumus's NPI number?

The NPI number for Jonathon Posthumus is 1255536553. It was assigned to this individual provider in the NPPES registry on June 18, 2007.

Q: What is Jonathon Posthumus's specialty?

The primary specialty registered for this NPI is Allergy & Immunology with taxonomy code 207K00000X.

Active since June 18, 2007PECOS EnrolledAccepts Medicare Assignment

511 PARK HILL DR, FREDERICKSBURG, VA 22401(540) 371-5660(540) 372-6920 Get Directions Write a Review

NPPES record last updated: October 31, 2023. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Oct 31, 2023, Jun 6, 2022, Nov 16, 2015 (3 updates tracked since 2015).

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About Jonathon Brian Posthumus Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JONATHON BRIAN POSTHUMUS MD (NPI 1255536553) is an individual allergy & immunology provider in Fredericksburg, Virginia, licensed in Virginia (0101251294) and active in the NPI registry since June 2007. He is enrolled in Medicare PECOS, is affiliated with Mary Washington Hospital, and is a graduate of Other (2007).

NPPES Registry Identity

NPI1255536553

Entity TypeIndividualMale

Primary Taxonomy207K00000X

Provider Legal NameJONATHON BRIAN POSTHUMUSCredential: MD

Location Address511 PARK HILL DRFredericksburg, VA 22401-3377

Mailing AddressPo Box 603725Charlotte, NC 28260-3725 · (828) 575-2625 · Fax (828) 350-2174

Phone(540) 371-5660

Fax(540) 372-6920

Sole ProprietorNo

Medical School CMSOtherGraduated 2007

Enumeration DateJune 18, 2007

Last NPPES UpdateOctober 31, 20233 updates tracked since enumeration

NPPES CertifiedOctober 31, 2023

✔ NPI 1255536553 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAllergy & ImmunologyAllopathic & Osteopathic Physicians

Taxonomy Code207K00000X

License✔ Licensed in VA · 0101251294

Definition

An allergist-immunologist is trained in evaluation, physical and laboratory diagnosis, and management of disorders involving the immune system. Selected examples of such conditions include asthma, anaphylaxis, rhinitis, eczema, and adverse reactions to drugs, foods, and insect stings as well as immune deficiency diseases (both acquired and congenital), defects in host defense, and problems related to autoimmune disease, organ transplantation, or malignancies of the immune system.

511 PARK HILL DR, Fredericksburg, VA 22401

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Other Identifiers 2

Medicaid1255536553VA

OtherVV7321AVA · Medicare Ptan

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health Plan of North Carolina, Inc.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Jonathon Brian Posthumus Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9830347897

PECOS Enrollment IDI20120917000376

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 16

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Injection, tezepelumab-ekko, 1 mg J2356

Tezepelumab-ekko is a medication given via injection to help manage severe asthma. It works by blocking a specific protein in your body that triggers asthma symptoms. This injection is typically administered under medical supervision.

8,610 services13 patients

Injection, omalizumab, 5 mg J2357

Omalizumab is a medication given via injection. It's used to treat severe allergic asthma and chronic hives when other treatments fail. The 5mg dose is determined by your doctor based on your weight and condition.

3,660 services24 patients

Test for allergy using allergenic extract 95004

An allergy test with allergenic extract is a diagnostic method to identify substances causing allergic reactions. Small amounts of common allergens are introduced to your body, usually through skin pricks or blood tests. Your body's response helps determine your allergies.

1,373 services26 patients

Injection, benralizumab, 1 mg J0517

Benralizumab is a medication given via injection to help manage severe asthma. It works by reducing the number of eosinophils, a type of white blood cell that can contribute to asthma symptoms.

660 services11 patients

Professional service for preparation and provision of 1 or more antigens 95165

This service involves the creation and supply of antigens, substances that stimulate your immune system to fight diseases. These antigens can be used in vaccines or allergy tests to help your body build defenses against specific health threats.

475 services29 patients

Professional service for multiple injections of allergen 95117

The professional service for multiple injections of allergens involves administering small doses of specific allergens into your body. This is done to help your immune system become less sensitive to them, reducing your allergic reaction over time. It's a safe, effective way to manage allergies.

458 services76 patients

Test for allergy using allergenic extract injected into skin 95024

An allergy skin test involves injecting a small amount of allergenic extract into your skin. This test helps determine if you're allergic to specific substances. If allergic, a small red bump appears at the test site. It's safe and quick.

333 services14 patients

Injection of drug or substance under skin or into muscle 96372

This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.

219 services56 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

191 services152 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

191 services117 patients

Administration and interpretation of patient-focused health risk assessment 96160

This procedure involves a detailed evaluation of your health to identify potential risks. It includes analyzing your medical history, lifestyle habits, and family health history. The results are interpreted to provide a personalized plan to improve your health and prevent future issues.

182 services115 patients

Professional service for single injection of allergen 95115

A single allergen injection is a procedure where a small amount of a specific allergen is injected into your body. This is done to test your body's reaction to the allergen or to help your immune system become less sensitive to it, reducing allergic symptoms.

124 services29 patients

Test to measure rate of airflow 94375

This test, known as spirometry, measures how much air you can breathe in and out, and how quickly you can do so. It helps assess your lung function and can be used to diagnose or monitor conditions like asthma or COPD.

95 services77 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

42 services42 patients

Test to measure expiratory airflow and volume changes before and after medication administration 94060

This procedure measures how air flows in and out of your lungs. It's done before and after medication to see if the treatment improves your breathing. It's a simple, non-invasive test that involves breathing into a device called a spirometer.

22 services22 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

17 services17 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Mary Washington Hospital

Acute Care Hospitals · Fredericksburg, VA

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number490022

Location1001 Sam Perry BoulevardFredericksburg, VA 22401 · Fredericksburg City County

Emergency services Birthing friendly

Stafford Hospital, LLC

Acute Care Hospitals · Stafford, VA

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number490140

Location101 Hospital Center BoulevardStafford, VA 22554 · Stafford County

Emergency services Birthing friendly

Referred Medical Equipment & Supplies CMS DME claims 12

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Supplies for maintenance of non-insulin drug infusion catheter, per week (list drugs separately) A4221

DME-Other DME · category DE017N

3 suppliers42 claims132 services$18.45 avg. paid by Medicare

Administration set, with small volume nonfiltered pneumatic nebulizer, disposable A7003

DME-Other DME · category DE000N

2 suppliers16 claims34 services$1.43 avg. paid by Medicare

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431

DME-Oxygen and Supplies · category DC000N

1 supplier12 claims12 services$17.54 avg. paid by Medicare

Nebulizer, with compressor E0570

DME-Other DME · category DE000N

4 suppliers31 claims32 services$5.40 avg. paid by Medicare

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390

DME-Oxygen and Supplies · category DC002N

1 supplier12 claims12 services$90.37 avg. paid by Medicare

Injection, immune globulin (cuvitru), 100 mg J1555

Treatment-Injections and Infusions (nononcologic) · category RI008N

1 supplier13 claims10,400 services$11.71 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 7

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

PETER R. SMITH M.D.

Allergy & Immunology