Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MICHAEL M HALASSA MBBS, PHD
NPI 1811124639
Psychiatry & Neurology - Psychiatry in Roanoke, VA

Active since June 19, 2009PECOS EnrolledAccepts Medicare Assignment
93.63/100
CMS Quality Rating
4434 ELECTRIC RD, ROANOKE, VA 24018(540) 527-4900(540) 772-3913 Get Directions Write a Review

NPPES record last updated: September 1, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 1, 2026, Nov 10, 2020 (2 updates tracked since 2020).

About Michael M Halassa Mbbs, Phd NPPES

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

MICHAEL M HALASSA MBBS, PHD (NPI 1811124639) is an individual psychiatry provider in Roanoke, Virginia, licensed in Virginia (0101288580) and active in the NPI registry since June 2009. He is enrolled in Medicare PECOS, maintains 3 additional practice locations, and is a graduate of Other (2004).

NPPES Registry Identity

NPI1811124639
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameMICHAEL M HALASSACredential: MBBS, PHD
Location Address4434 ELECTRIC RDRoanoke, VA 24018-0722
Mailing Address213 S Jefferson St Ste 1006Roanoke, VA 24011-1713 · (540) 224-5516
Fax(540) 772-3913
Sole ProprietorNo
Medical School CMSOtherGraduated 2004
Enumeration DateJune 19, 2009
Last NPPES UpdateSeptember 1, 20262 updates tracked since enumeration
NPPES CertifiedSeptember 1, 2026
✔ NPI 1811124639 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
Licenses✔ Licensed in VA · 0101288580✔ Licensed in MA · L-240799
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
4434 ELECTRIC RD, Roanoke, VA 24018

Secondary Practice Locations 3

Location 1Massachusetts General Hospital, 55 Fruit StreetBOSTON, MA 02114 · Phone (617) 726-2066
Location 2386 Stanley StFall River, MA 02720-6009 · Phone (508) 679-5222 · Fax (508) 673-3182
Location 3200 May StSouth Attleboro, MA 02703-5520 · Phone (508) 761-8500

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 M Halassa Mbbs, Phd 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 ID941469001
PECOS Enrollment IDI20130628000535
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 Reassignments

3

Medicare enrollment records show Michael Halassa reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Psychiatric Hospital
200 MAY ST
S Attleboro, MA 02703
  • Reassigned Medicare billing, Massachusetts enrollment
  • 68 clinicians in this Medicare group
Psychiatry
115 MILL ST
Belmont, MA 02478
  • Reassigned Medicare billing, Massachusetts enrollment
  • 422 clinicians in this Medicare group
Neuroradiology
27 PARK ST
Hyannis, MA 02601
  • Reassigned Medicare billing, Massachusetts enrollment
  • 678 clinicians in this Medicare group

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

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.

Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231
Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.
678 services115 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 24018 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
$170.30 typical visit price
range $56.19 – $170.30
Typical copayment $42.57 (range $14.04 – $42.57)
Most-billed visit code 99205
Established Patient
$70.08 typical visit price
range $18.07 – $138.91
Typical copayment $17.52 (range $4.51 – $34.72)
Most-billed visit code 99213
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.

93.63/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality90.87
Improvement Activities40
Cost74.28

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.

Social Worker (Clinical)
4434 ELECTRIC RD
ROANOKE, VA 24018
Psychiatry & Neurology (Neurology)
4434 ELECTRIC RD
ROANOKE, VA 24018
Marriage & Family Therapist
4434 ELECTRIC RD
ROANOKE, VA 24018
Family Medicine
4434 ELECTRIC RD
ROANOKE, VA 24018
Psychiatry & Neurology (Psychiatry)
4434 ELECTRIC RD
ROANOKE, VA 24018
Family Medicine
4434 ELECTRIC RD
ROANOKE, VA 24018
Internal Medicine
4434 ELECTRIC RD
ROANOKE, VA 24018
Psychiatry & Neurology (Psychiatry)
4434 ELECTRIC RD
ROANOKE, VA 24018

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 Halassa's NPI number?

The NPI number for Michael Halassa is 1811124639. It was assigned to this individual provider in the NPPES registry on June 19, 2009.

Where is Michael Halassa located?

Michael Halassa practices at 4434 Electric Rd, Roanoke, VA 24018. The listed phone number is (540) 527-4900.

What is Michael Halassa's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Michael Halassa enrolled in Medicare?

Yes. Michael Halassa 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 organizations bill Medicare for Michael Halassa's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Michael Halassa reassigns Medicare benefits to 3 organizations: Uhs Of Fuller Inc (S Attleboro, MA), The Mclean Hospital Corporation (Belmont, MA) and Physicians Of Cape Cod Hospital (Hyannis, MA). Each 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 Halassa's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Michael Halassa was last updated on September 1, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 56 days 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.