1. Home
  2. Directory
  3. Virginia
  4. Fredericksburg
  5. Internal Medicine
  6. NPI Profile
Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

SONIA AYISI JOHNSON NP-C
NPI 1205320116
Internal Medicine in Fredericksburg, VA

Active since June 15, 2018PECOS EnrolledAccepts Medicare Assignment
1011 CARE WAY STE 200, FREDERICKSBURG, VA 22401(855) 739-9953 Get Directions Write a Review

NPPES record last updated: October 7, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Oct 7, 2026, Jun 15, 2018 (2 updates tracked since 2018).

About Sonia Ayisi Johnson Np-c NPPES

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

SONIA AYISI JOHNSON NP-C (NPI 1205320116) is an individual internal medicine provider in Fredericksburg, Virginia, licensed in Virginia (0024176163) and active in the NPI registry since June 2018. She is enrolled in Medicare PECOS, is affiliated with Mary Washington Hospital, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1205320116
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameSONIA AYISI JOHNSONCredential: NP-C
Location Address1011 CARE WAY STE 200Fredericksburg, VA 22401-8439
Mailing AddressPo Box 3339Fredericksburg, VA 22402-3339 · (855) 739-9953 · Fax (877) 916-0801
Phone(855) 739-9953
Sole ProprietorNo
Medical School CMSOtherGraduated 2017
Enumeration DateJune 15, 2018
Last NPPES UpdateOctober 7, 20262 updates tracked since enumeration
NPPES CertifiedOctober 7, 2026
✔ NPI 1205320116 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in VA · 0024176163
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
1011 CARE WAY STE 200, Fredericksburg, VA 22401
Open in Google Maps ↗

Secondary Practice Locations 2

Location 1421 Park Hill DrFredericksburg, VA 22401-3376 · Phone (855) 739-9953 · Fax (877) 916-0801
Location 215521 Real Estate AveKing George, VA 22485-5327 · Phone (855) 739-9953 · Fax (877) 916-0801

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

Sonia Ayisi Johnson Np-c 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 ID3870820947
PECOS Enrollment IDI20190812004014
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 Sonia Johnson reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Oracle Heart & Vascular, Inc.
Same address
Interventional Cardiology
1011 CARE WAY STE 200
Fredericksburg, VA 22401
  • Reassigned Medicare billing, Virginia enrollment
  • 22 clinicians in this Medicare group
NPI 1972924520 (855) 739-9953
Mary Washington Healthcare Physicians
0.3 mi
Family Medicine
1001 SAM PERRY BLVD
Fredericksburg, VA 22401
  • Reassigned Medicare billing, Virginia enrollment
  • 547 clinicians in this Medicare group
NPI 1295999852 (540) 741-1100
Mary Washington Healthcare Providers LLC
0.3 mi
Hospitalist
1001 SAM PERRY BLVD
Fredericksburg, VA 22401
  • Reassigned Medicare billing, Virginia enrollment
  • 323 clinicians in this Medicare group
NPI 1750826277 (540) 741-1821

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 4

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 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.
68 services49 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.
36 services35 patients
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.
19 services17 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.
11 services11 patients

Hospital Affiliations CMS Care Compare 2

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

Mary Washington Hospital

Acute Care Hospitals · Fredericksburg, VA
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number490022
Location1001 Sam Perry BoulevardFredericksburg, VA 22401 · Fredericksburg City County
Emergency services Birthing friendly

Stafford Hospital, LLC

Acute Care Hospitals · Stafford, VA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number490140
Location101 Hospital Center BoulevardStafford, VA 22554 · Stafford County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 22401 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.

Other Providers at the Same Location NPPES 12

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

CATHERINE MICHELLE CARPENTER FNP
Nurse Practitioner (Family)
1011 CARE WAY STE 200
FREDERICKSBURG, VA 22401
Fredericksburg City (855) 739-9953
MRS. EMILY LOGAN BARNES FNP
Nurse Practitioner (Family)
1011 CARE WAY STE 200
FREDERICKSBURG, VA 22401
Fredericksburg City (855) 739-9953
JEFFREY ASKEW M.D.
Internal Medicine (Cardiovascular Disease)
1011 CARE WAY STE 200
FREDERICKSBURG, VA 22401
Fredericksburg City (855) 739-9953
AUDRY LYNN SCHEIBLE NP
Nurse Practitioner (Acute Care)
1011 CARE WAY STE 200
FREDERICKSBURG, VA 22401
Fredericksburg City (855) 739-9953
ROCHELLE GREEN FNP-BC
Nurse Practitioner (Family)
1011 CARE WAY STE 200
FREDERICKSBURG, VA 22401
Fredericksburg City (855) 739-9953
MRS. FRANCINE N SMITH MSN, FNP-C
Nurse Practitioner (Family)
1011 CARE WAY STE 200
FREDERICKSBURG, VA 22401
Fredericksburg City (855) 739-9953
ASHOK JOSHWA PRASAD M.D.
Internal Medicine (Cardiovascular Disease)
1011 CARE WAY STE 200
FREDERICKSBURG, VA 22401
Fredericksburg City (855) 739-9953
ANA INASHVILI MD
Internal Medicine (Cardiovascular Disease)
1011 CARE WAY STE 200
FREDERICKSBURG, VA 22401
Fredericksburg City (855) 739-9953

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 Sonia Johnson's NPI number?

The NPI number for Sonia Johnson is 1205320116. It was assigned to this individual provider in the NPPES registry on June 15, 2018.

Where is Sonia Johnson located?

Sonia Johnson practices at 1011 Care Way Ste 200, Fredericksburg, VA 22401. The listed phone number is (855) 739-9953.

What is Sonia Johnson's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Sonia Johnson enrolled in Medicare?

Yes. Sonia Johnson 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 Sonia Johnson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sonia Johnson reassigns Medicare benefits to 3 organizations: Oracle Heart & Vascular, Inc. (Fredericksburg, VA), Mary Washington Healthcare Physicians (Fredericksburg, VA) and Mary Washington Healthcare Providers LLC (Fredericksburg, VA). 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 Sonia Johnson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Sonia Johnson affiliated with any hospitals?

According to CMS data, Sonia Johnson is affiliated with Mary Washington Hospital and Stafford Hospital, LLC.

When was this NPI record last updated?

The NPPES record for Sonia Johnson was last updated on October 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 31 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.