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MICHAEL C TRAHOS D.O.
NPI 1851570899
Family Medicine - Adult Medicine in Alexandria, VA

Active since October 26, 2007PECOS EnrolledAccepts Medicare Assignment
24.61/100
CMS Quality Rating
205 S WHITING ST STE 303, ALEXANDRIA, VA 22304(703) 998-4913(703) 931-8171 Get Directions Write a Review

NPPES record last updated: April 9, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Michael C Trahos D.o. NPPES

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

MICHAEL C TRAHOS D.O. (NPI 1851570899) is an individual adult medicine provider in Alexandria, Virginia, licensed in Virginia (0102035626) and active in the NPI registry since October 2007. He is enrolled in Medicare PECOS, is affiliated with Inova Alexandria Hospital, and is a graduate of Philadelphia College Of Osteopathic Medicine (1982).

NPPES Registry Identity

NPI1851570899
Entity TypeIndividualMale
Primary Taxonomy207QA0505X
Provider Legal NameMICHAEL C TRAHOSCredential: D.O.
Location Address205 S WHITING ST STE 303Alexandria, VA 22304-3632
Mailing Address205 S Whiting St Ste 303Alexandria, VA 22304-3632 · (703) 998-4913 · Fax (703) 931-8171
Phone(703) 998-4913
Fax(703) 931-8171
Sole ProprietorYes
Medical School CMSPhiladelphia College Of Osteopathic MedicineGraduated 1982
Enumeration DateOctober 26, 2007
Last NPPES UpdateApril 9, 2025
NPPES CertifiedApril 9, 2025
✔ NPI 1851570899 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyFamily Medicine · Adult MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207QA0505X
License✔ Licensed in VA · 0102035626
Definition
The National Uniform Claim Committee (NUCC) recommends code 207QA0505X not be used. Choose a more appropriate code.
Also ListedFamily MedicineTaxonomy 207Q00000X · License 0102035626 (VA)
Also ListedFamily Medicine · Geriatric MedicineTaxonomy 207QG0300X · License 0102035626 (VA)
205 S WHITING ST STE 303, Alexandria, VA 22304
Open in Google Maps ↗

Other Identifiers 16

Medicaid010201021VA
Other470178VA · Aetna Hmo
Other8138371VA · Mdipa/optimum Choice Hmo
Medicaid830434990VA
Other976064VA · Mailhandlers Ppo
Other1433740VA · Cigna
Other4088139VA · Aetna
Other830434990VA · Family Practice
Other2138371VA · One Net Ppo/united Healthcare
Other280953VA · United Healthcare Ppo
Other8857-0001DC · Carefirst Bc/bs Of National Capital Area
OtherDD8984VA · Railroad Medicare
Other1122318VA · First Health Network
Other144441VA · Southern Health Serv. Inc
Other503495VA · Unicare Ppo
Other182247VA · Anthem Bc/bs

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Michael C Trahos D.o. 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 ID6103846878
PECOS Enrollment IDI20051128000472
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.

Medicare Billing Reassignment

Medicare enrollment records show Michael Trahos reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Trahos Medical Enterprises PLLC
Same address
Adult Medicine
205 S WHITING ST STE 303
Alexandria, VA 22304
  • Reassigned Medicare billing, District of Columbia enrollment
NPI 1386723583 (703) 998-4913

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 8

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.

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.
830 services240 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.
338 services139 patients
Automated urinalysis test 81003
An automated urinalysis test is a routine examination that checks your urine for various substances. It can help identify potential health issues such as kidney problems or diabetes. The test uses a machine to analyze a small urine sample, providing quick and accurate results.
114 services74 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
88 services76 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000
An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.
85 services79 patients
Osteopathic manipulative treatment, 3-4 body regions 98926
Osteopathic Manipulative Treatment (OMT) is a hands-on method where a doctor uses specific techniques to diagnose, treat, and prevent illness or injury. For 3-4 body regions, the doctor focuses on areas like your head, neck, back, or limbs to improve function and promote healing.
38 services20 patients

Hospital Affiliations CMS Care Compare 3

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

Inova Alexandria Hospital

Acute Care Hospitals · Alexandria, VA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number490040
Location4320 Seminary RdAlexandria, VA 22304 · Alexandria City County
Emergency services Birthing friendly

Virginia Hospital Center

Acute Care Hospitals · Arlington, VA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number490050
Location1701 North George Mason DriveArlington, VA 22205 · Arlington County
Emergency services Birthing friendly

Inova Mount Vernon Hospital

Acute Care Hospitals · Alexandria, VA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number490122
Location2501 Parkers LaneAlexandria, VA 22306 · Fairfax County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 22304 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
$100.31 typical visit price
range $65.18 – $194.86
Typical copayment $25.07 (range $16.29 – $48.71)
Most-billed visit code 99203
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.

24.61/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Individually scored
Quality0
Improvement Activities0
Cost82.05

Other Providers at the Same Location NPPES

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

TRAHOS MEDICAL ENTERPRISES PLLC
Family Medicine (Adult Medicine)
205 S WHITING ST STE 303
ALEXANDRIA, VA 22304
Alexandria City (703) 998-4913

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 Trahos's NPI number?

The NPI number for Michael Trahos is 1851570899. It was assigned to this individual provider in the NPPES registry on October 26, 2007.

Where is Michael Trahos located?

Michael Trahos practices at 205 S Whiting St Ste 303, Alexandria, VA 22304. The listed phone number is (703) 998-4913.

What is Michael Trahos's specialty?

The primary specialty registered for this NPI is Family Medicine, specializing in Adult Medicine, with taxonomy code 207QA0505X.

Is Michael Trahos enrolled in Medicare?

Yes. Michael Trahos 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.

Which organization bills Medicare for Michael Trahos's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Michael Trahos reassigns Medicare benefits to Trahos Medical Enterprises PLLC (Alexandria, VA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Michael Trahos's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Michael Trahos affiliated with any hospitals?

According to CMS data, Michael Trahos is affiliated with Inova Alexandria Hospital, Virginia Hospital Center and Inova Mount Vernon Hospital.

When was this NPI record last updated?

The NPPES record for Michael Trahos was last updated on April 9, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 months 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.