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DR. CHANG O SON M.D.
NPI 1396016838
Internal Medicine - Hematology & Oncology in Fayetteville, NC

Active since January 13, 2012PECOS EnrolledAccepts Medicare Assignment
1638 OWEN DR STE 108, FAYETTEVILLE, NC 28304(910) 615-6910 Get Directions Write a Review

NPPES record last updated: April 8, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Apr 8, 2026, Feb 3, 2026, Sep 19, 2025 and 1 more (4 updates tracked since 2024).

About Dr. Chang O Son M.d. NPPES

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

DR. CHANG O SON M.D. (NPI 1396016838) is an individual hematology & oncology provider in Fayetteville, North Carolina, licensed in North Carolina (MD60764798) and active in the NPI registry since January 2012. He is enrolled in Medicare PECOS, is affiliated with Cape Fear Valley Medical Center, and maintains 5 additional practice locations.

NPPES Registry Identity

NPI1396016838
Entity TypeIndividualMale
Primary Taxonomy207RH0003X
Provider Legal NameDR. CHANG O SONCredential: M.D.
Location Address1638 OWEN DR STE 108Fayetteville, NC 28304-3424
Mailing Address48 Newmarket SqNewport News, VA 23605-2721 · (757) 825-8030 · Fax (757) 244-9003
Phone(910) 615-6910
Sole ProprietorNo
Medical School CMSOtherGraduated 2002
Enumeration DateJanuary 13, 2012
Last NPPES UpdateApril 8, 20264 updates tracked since enumeration
NPPES CertifiedApril 8, 2026
✔ NPI 1396016838 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
License✔ Licensed in NC · MD60764798
Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
Also ListedInternal MedicineTaxonomy 207R00000X · License 0101255714 (NC)
Also ListedInternal Medicine · HematologyTaxonomy 207RH0000X · License 2017-01958 (NC)
Also ListedInternal Medicine · Medical OncologyTaxonomy 207RX0202X · License 2017-01958 (NC)
1638 OWEN DR STE 108, Fayetteville, NC 28304
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Secondary Practice Locations 5

Location 148 New Market Square, JenCare Neighborhood Medical New Market, LLCNewport News, VA 23605 · Phone (757) 825-8030 · Fax (757) 244-9003
Location 26387 Ramsey St Unit 140Fayetteville, NC 28311-9442 · Phone (910) 615-3840
Location 31638 Owen DrFayetteville, NC 28304-3424 · Phone (910) 615-6910
Location 4225 Brightwater Dr Ste 100Lillington, NC 27546-5156 · Phone (910) 984-3080
Location 5505 NE 87th Ave Ste 350Vancouver, WA 98664-1965 · Phone (360) 514-2550 · Fax (360) 514-1927

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of NC, Blue Cross Blue Shield of North Dakota, BridgeSpan Health Company and more.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

Dr. Chang O Son M.d. 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 ID941424519
PECOS Enrollment IDI20141211001267, I20180307001691, I20250328003192
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

7

Medicare enrollment records show Chang O Son reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Cumberland County Hospital System Inc
Same address
Nurse Practitioner
1638 OWEN DR
Fayetteville, NC 28304
  • Reassigned Medicare billing, North Carolina enrollment
  • 906 clinicians in this Medicare group
NPI 1063964708 (910) 615-5490
Harnett Health System Inc
20 mi
Family Medicine
1619 BUFFALO LAKE RD
Sanford, NC 27332
  • Reassigned Medicare billing, North Carolina enrollment
  • 63 clinicians in this Medicare group
NPI 1457957938 (910) 343-3435
Vidant Medical Group LLC
78 mi
Ambulatory Surgical
701 DOCTORS DR STE N
Kinston, NC 28501
  • Reassigned Medicare billing, North Carolina enrollment
  • 1,653 clinicians in this Medicare group
NPI 1376049619 (252) 559-2200
Danville Physician Practices LLC
109 mi
Rural Health
404 AIRPORT DR STE A
Danville, VA 24540
  • Reassigned Medicare billing, Virginia enrollment
  • 204 clinicians in this Medicare group
NPI 1770260499 (434) 799-3802
St. Alexius Medical Center
1,395 mi
Nurse Anesthetist, Certified Registered
900 E BROADWAY AVE
Bismarck, ND 58501
  • Reassigned Medicare billing, North Dakota enrollment
  • 616 clinicians in this Medicare group
NPI 1629121074 (701) 530-7000
Peacehealth
2,385 mi
Surgery
505 NE 87TH AVE, SUITE 301
Vancouver, WA 98664
  • Reassigned Medicare billing, North Carolina and Washington enrollments
  • 3 clinicians in this Medicare group
NPI 1609061969 (360) 514-7374
Peacehealth
2,404 mi
Multi-Specialty
1615 DELAWARE ST
Longview, WA 98632
  • Reassigned Medicare billing, Washington enrollment
  • 308 clinicians in this Medicare group
NPI 1720056187 (360) 414-2000

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 7

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 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.
56 services35 patients
Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212
This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.
43 services28 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.
37 services37 patients
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.
36 services29 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
24 services24 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
22 services22 patients

Hospital Affiliations CMS Care Compare 2

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

Cape Fear Valley Medical Center

Acute Care Hospitals · Fayetteville, NC
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number340028
Location1638 Owen Drive P O Box 2000Fayetteville, NC 28302 · Cumberland County
Emergency services Birthing friendly

Sovah Health Danville

Acute Care Hospitals · Danville, VA
2/5 CMS rating
OwnershipProprietary
CMS Certification Number490075
Location142 South Main StreetDanville, VA 24541 · Danville City County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 28304 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
$165.09 typical visit price
range $54.12 – $165.09
Typical copayment $41.27 (range $13.53 – $41.27)
Most-billed visit code 99205
Established Patient
$95.94 typical visit price
range $17.21 – $134.61
Typical copayment $23.98 (range $4.30 – $33.65)
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.

Referred Medical Equipment & Supplies CMS DME claims

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

Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for a subsequent prescription in a 30-day period Q0512
Treatment-Chemotherapy · category RH012N
2 suppliers12 claims13 services$12.58 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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 Chang O Son's NPI number?

The NPI number for Chang O Son is 1396016838. It was assigned to this individual provider in the NPPES registry on January 13, 2012.

Where is Chang O Son located?

Chang O Son practices at 1638 Owen Dr Ste 108, Fayetteville, NC 28304. The listed phone number is (910) 615-6910.

What is Chang O Son's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is Chang O Son enrolled in Medicare?

Yes. Chang O Son 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 Chang O Son's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Chang O Son reassigns Medicare benefits to 7 organizations: Cumberland County Hospital System Inc (Fayetteville, NC), Harnett Health System Inc (Sanford, NC), Vidant Medical Group LLC (Kinston, NC), Danville Physician Practices LLC (Danville, VA), St. Alexius Medical Center (Bismarck, ND) and 2 more organizations, listed in the Medicare section above. 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 Chang O Son's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Chang O Son accept?

Health plans from Blue Cross Blue Shield of North Dakota, Blue Cross and Blue Shield of NC, BridgeSpan Health Company, Cigna Healthcare and Kaiser Permanente and 6 other insurers list Chang O Son 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 Chang O Son affiliated with any hospitals?

According to CMS data, Chang O Son is affiliated with Cape Fear Valley Medical Center and Sovah Health Danville.

When was this NPI record last updated?

The NPPES record for Chang O Son was last updated on April 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.