Michael Grundel Ison, M.D., M.S.
Infectious Disease Physician · Falls Church, VA
Michael Grundel Ison, M.D., M.S. is an infectious disease physician with a practice address in Falls Church, Virginia, and NPI 1316941222, issued on Jun 8, 2005. Check the license (Virginia 0101230684, as entered in NPPES) on the Virginia Department of Health Professions; the Medicare figures below come from public CMS files.
- Name
- Michael Grundel Ison
- Credential
- M.D., M.S.
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License numbers
- 0101230684 VA
221230 MA
Self-reported in NPPES; status is on the state search - Practice location
- 3300 Gallows RD, Falls Church, VA 22042
- Phone
- (703) 776-4001
- Enumerated
- Jun 8, 2005
- Record last updated
- Jul 8, 2024
- Fax
- (703) 776-7113
- Medicaid ID
- 5862540 VA
- Medicare enrollment
- Enrolled (PECOS I20240726000392); accepts Medicare assignment
- Medical or professional school
- University Of South Florida College Of Medicine, 1997
- Entity
- Type 1 · individual
8 nearest infectious disease physician records → All 239 in Virginia → Look up another NPI →
Also registered at 3300 Gallows RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Nuha Abdurahman, D.OInternal Medicine Physician1497155527
Verify Michael Grundel Ison in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersVirginia Department of Health Professions
Search for license 0101230684Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The MIPS final score for 2023 (Medicare payment program): 94.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Inova Health Care ServicesFalls Church, VA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael Grundel Ison among 239 infectious disease physician records in Virginia
Michael Grundel Ison, M.D., M.S. is one of 239 infectious disease physician records with a practice address in Virginia. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 94% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated1997 · median 2002 among the 145 with a school on file
- Record last updated2024 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Infectious Disease Physician providers in Virginia
There are 239 infectious disease physician records in Virginia.
All 239 in Virginia → Every provider in Falls Church → Infectious Disease Physician nationwide →
The 8 infectious disease physician records with the nearest ZIP codes
- Gonzalo Luizaga Coca, M.D.Falls Church, VA 220421831331032
- Sajal Tanna, M.D., M.P.HFalls Church, VA 220421831455666
- Prachi Ranade, M.D.Falls Church, VA 220461740480771
- Richard Sall, MDFairfax, VA 220331942256672
- Marsha Soni, MDFairfax, VA 220331619924347
- Gelareh Alavi, M.D.Fairfax, VA 220301801080197
- Alexander Bagasra, M.D.Fairfax, VA 220301083871800
- Vijender Bajwa, M.D.Fairfax, VA 220301962865741
Common questions
What is Michael Grundel Ison, M.D., M.S.'s NPI number?
Michael Grundel Ison, M.D., M.S.'s National Provider Identifier (NPI) is 1316941222, issued on Jun 8, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Michael Grundel Ison, M.D., M.S. located?
The NPPES record lists a practice address at 3300 Gallows RD, Falls Church, VA, 22042. Phone: (703) 776-4001. Providers update this record themselves, so call before visiting.
How can I verify Michael Grundel Ison, M.D., M.S.'s license?
NPPES lists Virginia license number 0101230684, as entered by the provider. Search the Virginia Department of Health Professions at https://dhp.virginiainteractive.org/lookup/index. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
What is Michael Grundel Ison, M.D., M.S.'s MIPS final score?
The 2023 MIPS final score is 94.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.