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

JOHN MASON DOUGLAS FNP-BC
NPI 1730566175
Nurse Practitioner - Family in Shelbyville, TN

Active since May 06, 2015PECOS Enrolled
1114 N MAIN ST STE A, SHELBYVILLE, TN 37160(931) 365-2149(931) 492-4257 Get Directions Write a Review

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

Record update history: Sep 10, 2026, Jun 9, 2021 (2 updates tracked since 2021).

About John Mason Douglas Fnp-bc NPPES

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

JOHN MASON DOUGLAS FNP-BC (NPI 1730566175) is an individual family provider in Shelbyville, Tennessee, licensed in Tennessee (22447) and active in the NPI registry since May 2015. He is enrolled in Medicare PECOS, is affiliated with Maury Regional Hospital, and is a graduate of Other (2015).

NPPES Registry Identity

NPI1730566175
Entity TypeIndividualMale
Primary Taxonomy363LF0000X
Provider Legal NameJOHN MASON DOUGLASCredential: FNP-BC
Location Address1114 N MAIN ST STE AShelbyville, TN 37160-2380
Mailing Address1114 N Main St Ste AShelbyville, TN 37160-2380 · (931) 365-2149
Fax(931) 492-4257
Sole ProprietorYes
Medical School CMSOtherGraduated 2015
Enumeration DateMay 6, 2015
Last NPPES UpdateSeptember 10, 20262 updates tracked since enumeration
NPPES CertifiedSeptember 10, 2026
✔ NPI 1730566175 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in TN · 22447
1114 N MAIN ST STE A, Shelbyville, TN 37160

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

John Mason Douglas Fnp-bc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID1557681756
PECOS Enrollment IDI20170601000895
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

5

Medicare enrollment records show John Douglas reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Family Medicine
1114 N MAIN ST STE A
Shelbyville, TN 37160
  • Reassigned Medicare billing, Tennessee enrollment
  • 2 clinicians in this Medicare group
Nurse Anesthetist, Certified Registered
1224 TROTWOOD AVE
Columbia, TN 38401
  • Reassigned Medicare billing, Tennessee enrollment
  • Also billed through NPI 1790108934 (Tennessee)
  • 49 clinicians in this Medicare group
Family Medicine
854 W JAMES CAMPBELL BLVD, SUITE 303
Columbia, TN 38401
  • Reassigned Medicare billing, Tennessee enrollment
  • 228 clinicians in this Medicare group
Federally Qualified Health Center (FQHC)
303 LLEWELLYN AVENUE
Mccomb, MS 39648
  • Reassigned Medicare billing, Mississippi enrollment
  • 12 clinicians in this Medicare group
Rural Health
434 N CAPTAIN GLOSTER DR
Gloster, MS 39638
  • Reassigned Medicare billing, Mississippi enrollment
  • 56 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 2

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.

Automated urinalysis test 81003
An automated urinalysis test is a routine examination that checks your urine for various substances. It can help identify potential health issues such as kidney problems or diabetes. The test uses a machine to analyze a small urine sample, providing quick and accurate results.
43 services29 patients
Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus and influenza 87428
This test uses a method called immunoassay to identify severe acute respiratory syndrome coronavirus and influenza. It works by detecting specific proteins (antigens) in a sample, like a nasal swab. It's a powerful tool in diagnosing these viral infections.
11 services11 patients

Hospital Affiliations CMS Care Compare 3

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

Maury Regional Hospital

Acute Care Hospitals · Columbia, TN
3/5 CMS rating
OwnershipGovernment - Local
CMS Certification Number440073
Location1224 Trotwood AveColumbia, TN 38401 · Maury County
Emergency services Birthing friendly

Vanderbilt Bedford Hospital

Acute Care Hospitals · Shelbyville, TN
4/5 CMS rating
OwnershipProprietary
CMS Certification Number440137
Location2835 Hwy 231 NorthShelbyville, TN 37160 · Bedford County
Emergency services

Marshall Medical Center

Critical Access Hospitals · Lewisburg, TN
OwnershipGovernment - Hospital District or Authority
CMS Certification Number441309
Location1080 North Ellington ParkwayLewisburg, TN 37091 · Marshall County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 37160 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
$81.53 typical visit price
range $52.64 – $160.89
Typical copayment $20.38 (range $13.16 – $40.22)
Most-billed visit code 99203
Established Patient
$93.60 typical visit price
range $16.72 – $131.41
Typical copayment $23.40 (range $4.18 – $32.85)
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 3

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

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
4 suppliers12 claims23 services$6.02 avg. paid by Medicare
Nebulizer, with compressor E0570
DME-Other DME · category DE000N
1 supplier41 claims41 services$7.49 avg. paid by Medicare
Albuterol, up to 2.5 mg and ipratropium bromide, up to 0.5 mg, fda-approved final product, non-compounded, administered through dme J7620
DME-Drugs Administered Through DME · category DG006N
4 suppliers12 claims1,080 services$0.10 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

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

Family Medicine
1114 N MAIN ST STE A
SHELBYVILLE, TN 37160

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 Douglas's NPI number?

The NPI number for John Douglas is 1730566175. It was assigned to this individual provider in the NPPES registry on May 6, 2015.

Where is John Douglas located?

John Douglas practices at 1114 N Main St Ste A, Shelbyville, TN 37160. The listed phone number is (931) 365-2149.

What is John Douglas's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is John Douglas enrolled in Medicare?

Yes. John Douglas is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for John Douglas's services?

According to the CMS Revalidation Reassignment List (October 2026 release), John Douglas reassigns Medicare benefits to 5 organizations: Champion Medical Care LLC (Shelbyville, TN), Maury Regional Hospital (Columbia, TN), Maury Regional Medical Group, Inc (Columbia, TN), Amite County Medical Services, Inc. (Mccomb, MS) and Field Memorial Community Hospital (Gloster, MS). 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 John Douglas's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does John Douglas accept?

Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter of Alabama, Ambetter of North Carolina and Ambetter of Tennessee and 2 other insurers list John Douglas 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 Douglas affiliated with any hospitals?

According to CMS data, John Douglas is affiliated with Maury Regional Hospital, Vanderbilt Bedford Hospital and Marshall Medical Center.

When was this NPI record last updated?

The NPPES record for John Douglas was last updated on September 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 45 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.