DR. MICHAEL GRUNDEL ISON M.D., M.S.
NPI 1316941222
Internal Medicine - Infectious Disease in Falls Church, VA

Active since June 08, 2005PECOS EnrolledAccepts Medicare Assignment
94.1/100
CMS Quality Rating
3300 GALLOWS RD, FALLS CHURCH, VA 22042(703) 776-4001(703) 776-7113 Get Directions Write a Review

NPPES record last updated: July 8, 2024. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jul 8, 2024, Jul 21, 2023 (2 updates tracked since 2023).

About Dr. Michael Grundel Ison M.d., M.s. NPPES

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

DR. MICHAEL GRUNDEL ISON M.D., M.S. (NPI 1316941222) is an individual infectious disease provider in Falls Church, Virginia, licensed in Virginia (0101230684) and active in the NPI registry since June 2005. He is enrolled in Medicare PECOS, is affiliated with Inova Fairfax Hospital, and is a graduate of University Of South Florida College Of Medicine (1997).

NPPES Registry Identity

NPI1316941222
Entity TypeIndividualMale
Primary Taxonomy207RI0200X
Provider Legal NameDR. MICHAEL GRUNDEL ISONCredential: M.D., M.S.
Location Address3300 GALLOWS RDFalls Church, VA 22042-3307
Mailing Address16223 Columbus AveDerwood, MD 20855-2188 · (617) 306-1260
Fax(703) 776-7113
Sole ProprietorNo
Medical School CMSUniversity Of South Florida College Of MedicineGraduated 1997
Enumeration DateJune 8, 2005
Last NPPES UpdateJuly 8, 20242 updates tracked since enumeration
NPPES CertifiedJuly 8, 2024
NPI 1316941222 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Infectious DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RI0200X
Licenses Licensed in VA · 0101230684 Licensed in MA · 221230
Definition
An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.
3300 GALLOWS RD, Falls Church, VA 22042

Other Identifiers 1

Medicaid5862540VA

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

Dr. Michael Grundel Ison M.d., M.s. 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 ID9931128501
PECOS Enrollment IDI20240726000392
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.

Hospital Affiliations CMS Care Compare

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

Inova Fairfax Hospital

Acute Care Hospitals · Falls Church, VA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number490063
Location3300 Gallows RoadFalls Church, VA 22042 · Fairfax County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 22042 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$147.85 typical visit price
range $65.18 – $194.86
Typical copayment $36.96 (range $16.29 – $48.71)
Most-billed visit code 99204
Established Patient
$113.72 typical visit price
range $21.40 – $158.88
Typical copayment $28.43 (range $5.35 – $39.72)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

94.1/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality82.59
Promoting Interoperability100
Improvement Activities40

Referred Medical Equipment & Supplies CMS DME claims 3

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
1 supplier20 claims20 services$18.35 avg. paid by Medicare
Infusion supplies for external drug infusion pump, per cassette or bag (list drugs separately) A4222
DME-Medical/Surgical Supplies · category DA000N
1 supplier24 claims262 services$35.29 avg. paid by Medicare
Injection, foscarnet sodium, per 1000 mg J1455
Treatment-Injections and Infusions (nononcologic) · category RI000N
1 supplier14 claims786 services$65.80 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 20

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

Psychiatry & Neurology (Psychiatry)
3300 GALLOWS RD
FALLS CHURCH, VA 22042
Obstetrics & Gynecology
3300 GALLOWS RD
FALLS CHURCH, VA 22042
Nurse Practitioner (Acute Care)
3300 GALLOWS RD
FALLS CHURCH, VA 22042
Physician Assistant
3300 GALLOWS RD
FALLS CHURCH, VA 22042
Physician Assistant
3300 GALLOWS RD
FALLS CHURCH, VA 22042
Physician Assistant
3300 GALLOWS RD
FALLS CHURCH, VA 22042
Pediatrics
3300 GALLOWS RD
FALLS CHURCH, VA 22042
Nurse Anesthetist, Certified Registered
3300 GALLOWS RD
FALLS CHURCH, VA 22042

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Michael Ison's NPI number?

The NPI number for Michael Ison is 1316941222. It was assigned to this individual provider in the NPPES registry on June 8, 2005.

Where is Michael Ison located?

Michael Ison practices at 3300 Gallows Rd, Falls Church, VA 22042. The listed phone number is (703) 776-4001.

What is Michael Ison's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.

Is Michael Ison enrolled in Medicare?

Yes. Michael Ison is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Michael Ison affiliated with any hospitals?

According to CMS data, Michael Ison is affiliated with Inova Fairfax Hospital.

When was this NPI record last updated?

The NPPES record for Michael Ison was last updated on July 8, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.