DR. JOHN W DUNCAN MD
NPI 1396844064
Internal Medicine - Cardiovascular Disease in Plano, TX
About Dr. John W Duncan Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHN W DUNCAN MD (NPI 1396844064) is an individual cardiovascular disease provider in Plano, Texas, licensed in Texas (J3459) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS, is affiliated with Baylor University Medical Center, and is a graduate of University Of Nebraska College Of Medicine (1978).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 1
Accepted 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. John W Duncan Md 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.
Medicare Billing Reassignment
Medicare enrollment records show John Duncan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Plano, TX 75075
- Reassigned Medicare billing, Texas enrollment
- Also billed through NPI 1245490747 (Texas)
- 35 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 25
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.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Baylor University Medical Center
Acute Care Hospitals · Dallas, TXUt Southwestern University Hospital - William P. Clements Jr.
Acute Care Hospitals · Dallas, TXMedical City Plano
Acute Care Hospitals · Plano, TXBaylor Scott & White Medical Center Plano
Acute Care Hospitals · Plano, TXBaylor Scott & White The Heart Hospital - Plano
Acute Care Hospitals · Plano, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 75075 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
Reported Quality Measures
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.
PLANO, TX 75075
PLANO, TX 75075
PLANO, TX 75075
PLANO, TX 75075
PLANO, TX 75075
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 John Duncan's NPI number?
The NPI number for John Duncan is 1396844064. It was assigned to this individual provider in the NPPES registry on September 21, 2006.
Where is John Duncan located?
John Duncan practices at 3801 W 15th St Bldg B, Suite 320, Plano, TX 75075. The listed phone number is (972) 985-8838.
What is John Duncan's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.
Is John Duncan enrolled in Medicare?
Yes. John Duncan 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 John Duncan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Duncan reassigns Medicare benefits to Heartplace, PLLC (Plano, TX). 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 John Duncan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John Duncan accept?
Health plans from Baylor Scott and White Health Plan, Blue Cross and Blue Shield of Texas and Oscar Insurance Company list John Duncan 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 John Duncan affiliated with any hospitals?
According to CMS data, John Duncan is affiliated with Baylor University Medical Center, Ut Southwestern University Hospital - William P. Clements Jr., Medical City Plano, Baylor Scott & White Medical Center Plano and Baylor Scott & White The Heart Hospital - Plano.
When was this NPI record last updated?
The NPPES record for John Duncan was last updated on May 18, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Dr. John W Duncan, MD · NPI 1396844064
Cardiovascular Disease physician in Plano, Texas. Individual provider, active in the CMS NPPES registry since September 21, 2006.
## Identity
- **NPI:** 1396844064 (Entity type: Individual)
- **Enumerated:** September 21, 2006
- **Primary specialty:** Internal Medicine - Cardiovascular Disease · taxonomy 207RC0000X
- **State license:** J3459 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 3801 W 15TH ST, BLDG B, SUITE 320, Plano, TX 75075-4737
- **Phone:** (972) 985-8838 · **Fax:** (972) 596-1724
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Heartplace, PLLC (NPI 1922832286, Plano, TX), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Nebraska College Of Medicine, class of 1978
## Record status
- **NPPES last updated:** May 18, 2023
- **Other identifiers:** Medicaid 134727009 (TX)
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Source: [NPI Profile](https://npiprofile.com/npi/1396844064) · Data from the CMS NPPES public registry.