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DR. JOHN RAMSEY FERGUSON MD
NPI 1538804091
Internal Medicine in Lawrenceburg, TN

Active since April 29, 2022PECOS Enrolled
1607 S LOCUST AVE, LAWRENCEBURG, TN 38464(931) 762-6571 Get Directions Write a Review

NPPES record last updated: August 18, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 18, 2026, Jun 18, 2025, Mar 25, 2025 and 1 more (4 updates tracked since 2022).

About Dr. John Ramsey Ferguson Md NPPES

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

DR. JOHN RAMSEY FERGUSON MD (NPI 1538804091) is an individual internal medicine provider in Lawrenceburg, Tennessee, licensed in Tennessee (69934) and active in the NPI registry since April 2022. He is enrolled in Medicare PECOS, is affiliated with Southern Tennessee Regional Health System Pulaski, and maintains a secondary practice location in Nashville.

NPPES Registry Identity

NPI1538804091
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. JOHN RAMSEY FERGUSONCredential: MD
Location Address1607 S LOCUST AVELawrenceburg, TN 38464-4011
Mailing Address2000 Church StNashville, TN 37236-4400
Phone(931) 762-6571
Sole ProprietorYes
Medical School CMSUniversity Of Tennessee, Hsc, College Of MedicineGraduated 2022
Enumeration DateApril 29, 2022
Last NPPES UpdateAugust 18, 20264 updates tracked since enumeration
NPPES CertifiedAugust 18, 2026
✔ NPI 1538804091 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in TN · 69934
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.
1607 S LOCUST AVE, Lawrenceburg, TN 38464
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Secondary Practice Location 1

Location 12000 Church StNashville, TN 37236-4400 · Phone (615) 284-5555

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health, 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 (PECOS)

Dr. John Ramsey Ferguson Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID3971026667
PECOS Enrollment IDI20250403000713
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 John Ferguson reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Beaman Physician Services, PC
68 mi
Hospitalist
4220 HARDING PIKE
Nashville, TN 37205
  • Reassigned Medicare billing, Tennessee enrollment
  • 97 clinicians in this Medicare group
NPI 1487342242 (615) 222-2111
Warner Physician Services PC
71 mi
Hospitalist
2000 CHURCH ST
Nashville, TN 37236
  • Reassigned Medicare billing, Tennessee enrollment
  • 85 clinicians in this Medicare group
NPI 1770272221 (615) 284-5555
Apogee Medical Group Tennessee PC
1,405 mi
General Practice
15059 N SCOTTSDALE ROAD, SUITE 600
Scottsdale, AZ 85254
  • Reassigned Medicare billing, Tennessee enrollment
  • 146 clinicians in this Medicare group
NPI 1578717682 (972) 269-1907

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare 5

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

Southern Tennessee Regional Health System Pulaski

Acute Care Hospitals · Pulaski, TN
2/5 CMS rating
OwnershipProprietary
CMS Certification Number440020
Location1265 E College StPulaski, TN 38478 · Giles County
Emergency services Birthing friendly

Saint Thomas Rutherford Hospital

Acute Care Hospitals · Murfreesboro, TN
2/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number440053
Location1700 Medical Center ParkwayMurfreesboro, TN 37129 · Rutherford County
Emergency services Birthing friendly

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

Ascension Saint Thomas Hospital

Acute Care Hospitals · Nashville, TN
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number440082
Location4220 Harding Rd, PO Box 380Nashville, TN 37205 · Davidson County
Emergency services Birthing friendly

Southern Tennessee Regional Health System Lawrence

Acute Care Hospitals · Lawrenceburg, TN
4/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number440175
Location1607 South Locust AvenueLawrenceburg, TN 38464 · Lawrence County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 38464 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
$121.80 typical visit price
range $52.64 – $160.89
Typical copayment $30.45 (range $13.16 – $40.22)
Most-billed visit code 99204
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.

Other Providers at the Same Location NPPES 15

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

DR. MATTHEW B NEAL M.D.
Emergency Medicine
1607 S LOCUST AVE
LAWRENCEBURG, TN 38464
Lawrence County (931) 762-6571
TAYLOR GRACE HARRIS
Advanced Practice Midwife
1607 S LOCUST AVE
LAWRENCEBURG, TN 38464
Lawrence County (931) 762-6571
EMERGENCY COVERAGE SERVICES, PC
Nurse Practitioner
1607 S LOCUST AVE
LAWRENCEBURG, TN 38464
Lawrence County (931) 762-6571
CROCKETT HOSPITAL LLC
General Acute Care Hospital (Rural)
1607 S LOCUST AVE
LAWRENCEBURG, TN 38464
Lawrence County (931) 762-6571
CROCKETT HOSPITAL LLC
Internal Medicine
1607 S LOCUST AVE
LAWRENCEBURG, TN 38464
Lawrence County (931) 762-6571
JENNIFER SMITH OTR/L
Occupational Therapist
1607 S LOCUST AVE
LAWRENCEBURG, TN 38464
Lawrence County (610) 741-5885
WILLIAM L BELL JR. MD
Emergency Medicine
1607 S LOCUST AVE
LAWRENCEBURG, TN 38464
Lawrence County (931) 762-6571
MEGAN ELIZABETH NEWTON
Nurse Practitioner (Women's Health)
1607 S LOCUST AVE
LAWRENCEBURG, TN 38464
Lawrence County (931) 762-6571

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 Ferguson's NPI number?

The NPI number for John Ferguson is 1538804091. It was assigned to this individual provider in the NPPES registry on April 29, 2022.

Where is John Ferguson located?

John Ferguson practices at 1607 S Locust Ave, Lawrenceburg, TN 38464. The listed phone number is (931) 762-6571.

What is John Ferguson's specialty?

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

Is John Ferguson enrolled in Medicare?

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

Which organizations bill Medicare for John Ferguson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), John Ferguson reassigns Medicare benefits to 3 organizations: Beaman Physician Services, PC (Nashville, TN), Warner Physician Services PC (Nashville, TN) and Apogee Medical Group Tennessee PC (Scottsdale, AZ). 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 Ferguson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does John Ferguson accept?

Health plans from Oscar Health and Oscar Insurance Company list John Ferguson 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 Ferguson affiliated with any hospitals?

According to CMS data, John Ferguson is affiliated with Southern Tennessee Regional Health System Pulaski, Saint Thomas Rutherford Hospital, Maury Regional Hospital, Ascension Saint Thomas Hospital and Southern Tennessee Regional Health System Lawrence.

When was this NPI record last updated?

The NPPES record for John Ferguson was last updated on August 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.