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MARGARET TAJAK DO
NPI 1063705440
Hospitalist in Newport News, VA

Active since May 18, 2011PECOS EnrolledAccepts Medicare Assignment
94.07/100
CMS Quality Rating
500 J CLYDE MORRIS BLVD, NEWPORT NEWS, VA 23601(757) 594-3580(757) 594-3653 Get Directions Write a Review

NPPES record last updated: January 10, 2019. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jan 10, 2019, Dec 12, 2018, Jul 1, 2016 (3 updates tracked since 2016).

About Margaret Tajak Do NPPES

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

MARGARET TAJAK DO (NPI 1063705440) is an individual hospitalist provider in Newport News, Virginia, licensed in Virginia (0102203601) and active in the NPI registry since May 2011. She is enrolled in Medicare PECOS, is affiliated with Williamson Medical Center, and maintains a secondary practice location in Abingdon.

NPPES Registry Identity

NPI1063705440
Entity TypeIndividualFemale
Primary Taxonomy208M00000X
Provider Legal NameMARGARET TAJAKCredential: DO
Location Address500 J CLYDE MORRIS BLVDNewport News, VA 23601-1929
Mailing Address103 Democracy St, Apt 206Yorktown, VA 23693-5673
Phone(757) 594-3580
Fax(757) 594-3653
Sole ProprietorYes
Medical School CMSArizona College Of Osteopathic Medicine Mid Western UniversityGraduated 2011
Enumeration DateMay 18, 2011
Last NPPES UpdateJanuary 10, 20193 updates tracked since enumeration
✔ NPI 1063705440 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians
Taxonomy Code208M00000X
License✔ Licensed in VA · 0102203601
Definition
Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.
500 J CLYDE MORRIS BLVD, Newport News, VA 23601
Open in Google Maps ↗

Secondary Practice Location 1

Location 116000 Johnston Memorial DrAbingdon, VA 24211-7664 · Phone (276) 258-4455

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Insurance Company.Insurance ›

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

Margaret Tajak Do 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 ID4880938513
PECOS Enrollment IDI20190108002261, I20260330000561
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 Margaret Tajak reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Riverside Hospital Inc.
Same address
Family Medicine
856 J CLYDE MORRIS BLVD, SUITE A
Newport News, VA 23601
  • Reassigned Medicare billing, Virginia enrollment
  • 91 clinicians in this Medicare group
NPI 1043353956 (757) 594-4006
Riverside Physician Services, Inc.
1.2 mi
Emergency Medicine
500 J CLYDE MORRIS BLVD
Newport News, VA 23601
  • Reassigned Medicare billing, Virginia enrollment
  • 1,097 clinicians in this Medicare group
NPI 1487771655 (757) 594-4006
Williamson Hospitalist Program
582 mi
Hospitalist
4323 CAROTHERS PKWY STE 205
Franklin, TN 37067
  • Reassigned Medicare billing, Tennessee enrollment
  • 54 clinicians in this Medicare group
NPI 1871057158 (615) 435-6700

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 6

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 moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
482 services204 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
165 services160 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
160 services158 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
29 services22 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
28 services28 patients
Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and G0180
This is a service where a doctor or authorized practitioner certifies that you require Medicare-covered home health services. They will communicate with the home health agency and review reports on your health status to ensure you receive appropriate care. This does not involve an in-person visit.
11 services11 patients

Hospital Affiliations CMS Care Compare 4

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

Williamson Medical Center

Acute Care Hospitals · Franklin, TN
4/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number440029
Location4321 Carothers ParkwayFranklin, TN 37067 · Williamson County
Emergency services Birthing friendly

Riverside Regional Medical Center

Acute Care Hospitals · Newport News, VA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number490052
Location500 J Clyde Morris BlvdNewport News, VA 23601 · Newport News City County
Emergency services Birthing friendly

Riverside Walter Reed Hospital

Acute Care Hospitals · Gloucester, VA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number490130
Location7519 Hospital RoadGloucester, VA 23061 · Gloucester County
Emergency services

Riverside Doctors' Hospital Of Williamsburg

Acute Care Hospitals · Williamsburg, VA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number490143
Location1500 Commonwealth AvenueWilliamsburg, VA 23185 · James City County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 23601 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
$129.04 typical visit price
range $56.19 – $170.30
Typical copayment $32.26 (range $14.04 – $42.57)
Most-billed visit code 99204
Established Patient
$99.13 typical visit price
range $18.07 – $138.91
Typical copayment $24.78 (range $4.51 – $34.72)
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.

94.07/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality90.65
Promoting Interoperability95.83
Improvement Activities40

Referred Medical Equipment & Supplies CMS DME claims 6

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

Hospital bed, semi-electric (head and foot adjustment), with any type side rails, with mattress E0260
DME-Hospital Beds · category DB000N
2 suppliers13 claims13 services$41.43 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
4 suppliers28 claims28 services$16.84 avg. paid by Medicare
Home ventilator, any type, used with non-invasive interface, (e.g., mask, chest shell) E0466
DME-Other DME · category DE005N
1 supplier11 claims11 services$920.52 avg. paid by Medicare
Nebulizer, with compressor E0570
DME-Other DME · category DE000N
2 suppliers20 claims20 services$3.87 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
4 suppliers47 claims47 services$77.13 avg. paid by Medicare
Portable oxygen concentrator, rental E1392
DME-Oxygen and Supplies · category DC002N
2 suppliers15 claims15 services$31.14 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.

JOHN JONG HO KIDD CRNA
Nurse Anesthetist, Certified Registered
500 J CLYDE MORRIS BLVD
NEWPORT NEWS, VA 23601
Newport News City (866) 627-2471
HOLLY LYNN SNYDER GENETIC COUNSELOR
Genetic Counselor, MS
500 J CLYDE MORRIS BLVD
NEWPORT NEWS, VA 23601
Newport News City (757) 494-3636
DR. SARAH JAMES DILL MD
Anesthesiology
500 J CLYDE MORRIS BLVD
NEWPORT NEWS, VA 23601
Newport News City (757) 353-0565
DENNIE THOMASSON BARTOL MD
Radiology (Diagnostic Radiology)
500 J CLYDE MORRIS BLVD, RIVERSIDE REGIONAL MEDICAL CENTER
NEWPORT NEWS, VA 23601
Newport News City (757) 594-4405
MARISELA DAVIS DO
Student in an Organized Health Care Education/Training Program
500 J CLYDE MORRIS BLVD
NEWPORT NEWS, VA 23601
Newport News City (757) 612-7200
CHARLES E UMSTOTT MD
Thoracic Surgery (Cardiothoracic Vascular Surgery)
500 J CLYDE MORRIS BLVD, SUITE 602
NEWPORT NEWS, VA 23601
Newport News City (757) 534-5511
RAYMOND AMAKER MD
Pediatrics (Neonatal-Perinatal Medicine)
500 J CLYDE MORRIS BLVD, HAMPTON ROADS NEONATOLOGY
NEWPORT NEWS, VA 23601
Newport News City (757) 594-2000
MS. ERICA R NIPPER CRNA
Nurse Anesthetist, Certified Registered
500 J CLYDE MORRIS BLVD
NEWPORT NEWS, VA 23601
Newport News City (757) 594-2000

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 Margaret Tajak's NPI number?

The NPI number for Margaret Tajak is 1063705440. It was assigned to this individual provider in the NPPES registry on May 18, 2011.

Where is Margaret Tajak located?

Margaret Tajak practices at 500 J Clyde Morris Blvd, Newport News, VA 23601. The listed phone number is (757) 594-3580.

What is Margaret Tajak's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Is Margaret Tajak enrolled in Medicare?

Yes. Margaret Tajak 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 Margaret Tajak's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Margaret Tajak reassigns Medicare benefits to 3 organizations: Riverside Hospital Inc. (Newport News, VA), Riverside Physician Services, Inc. (Newport News, VA) and Williamson Hospitalist Program (Franklin, TN). 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 Margaret Tajak's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Margaret Tajak accept?

Health plans from Oscar Insurance Company list Margaret Tajak as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Margaret Tajak affiliated with any hospitals?

According to CMS data, Margaret Tajak is affiliated with Williamson Medical Center, Riverside Regional Medical Center, Riverside Walter Reed Hospital and Riverside Doctors' Hospital Of Williamsburg.

When was this NPI record last updated?

The NPPES record for Margaret Tajak was last updated on January 10, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.