DR. BILLY BACK MD
NPI 1831191444
Internal Medicine in Greenwich, OH

Active since August 12, 2005PECOS EnrolledAccepts Medicare Assignment
65 W MAIN ST, GREENWICH, OH 44837(419) 752-1811(419) 752-2145 Get Directions Write a Review

NPPES record last updated: September 1, 2016. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Dr. Billy Back Md NPPES

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

DR. BILLY BACK MD (NPI 1831191444) is an individual internal medicine provider in Greenwich, Ohio, licensed in Ohio (35078984) and active in the NPI registry since August 2005. He is enrolled in Medicare PECOS, is affiliated with Firelands Regional Medical Center, and is a graduate of Medical College Of Ohio (1999).

NPPES Registry Identity

NPI1831191444
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. BILLY BACKCredential: MD
Location Address65 W MAIN STGreenwich, OH 44837-1030
Mailing Address65 W Main StGreenwich, OH 44837-1030 · (419) 752-1811 · Fax (419) 752-2145
Fax(419) 752-2145
Sole ProprietorNo
Medical School CMSMedical College Of OhioGraduated 1999
Enumeration DateAugust 12, 2005
Last NPPES UpdateSeptember 1, 2016
✔ NPI 1831191444 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in OH · 35078984
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.
65 W MAIN ST, Greenwich, OH 44837

Other Identifiers 4

Medicare UPINH33507OH
Medicaid2227781OH
Other110219196OH · Rr Medicare
Medicare ID-Type UnspecifiedBA4044931OH

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. Billy Back 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.

PECOS PAC ID5597776773
PECOS Enrollment IDI20060601000279
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

2

Medicare enrollment records show Billy Back reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Hospitalist
651 W MARION RD
Mount Gilead, OH 43338
  • Reassigned Medicare billing, Ohio enrollment
  • 89 clinicians in this Medicare group
Family Medicine
2200 JEFFERSON AVE
Toledo, OH 43604
  • Reassigned Medicare billing, Ohio enrollment
  • 457 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 24

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.

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
717 services482 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.
461 services220 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.
249 services153 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
164 services164 patients
Administration of influenza virus vaccine G0008
The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.
91 services90 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
86 services79 patients

Hospital Affiliations CMS Care Compare 5

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

Firelands Regional Medical Center

Acute Care Hospitals · Sandusky, OH
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number360025
Location1111 Hayes AvenueSandusky, OH 44870 · Erie County
Emergency services Birthing friendly

Fisher-Titus Hospital

Acute Care Hospitals · Norwalk, OH
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number360065
Location272 Benedict AvenueNorwalk, OH 44857 · Huron County
Emergency services Birthing friendly

Mercy Health - Tiffin Hospital

Acute Care Hospitals · Tiffin, OH
5/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number360089
Location45 St Lawrence DriveTiffin, OH 44883 · Seneca County
Emergency services Birthing friendly

Ohiohealth Mansfield Hospital

Acute Care Hospitals · Mansfield, OH
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number360118
Location335 Glessner AvenueMansfield, OH 44903 · Richland County
Emergency services Birthing friendly

Mercy Health - Willard Hospital

Critical Access Hospitals · Willard, OH
OwnershipVoluntary non-profit - Private
CMS Certification Number361310
Location1100 Neal Zick RoadWillard, OH 44890 · Huron County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 44837 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
$126.12 typical visit price
range $54.34 – $166.65
Typical copayment $31.53 (range $13.58 – $41.66)
Most-billed visit code 99204
Established Patient
$96.44 typical visit price
range $17.10 – $135.40
Typical copayment $24.11 (range $4.27 – $33.85)
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 12

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
10 suppliers81 claims173 services$5.98 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
7 suppliers34 claims41 services$1.07 avg. paid by Medicare
Full face mask used with positive airway pressure device, each A7030
DME-Other DME · category DE001N
4 suppliers11 claims11 services$105.07 avg. paid by Medicare
Filter, disposable, used with positive airway pressure device A7038
DME-Other DME · category DE001N
4 suppliers11 claims54 services$2.56 avg. paid by Medicare
Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
5 suppliers37 claims37 services$17.51 avg. paid by Medicare
Nebulizer, with compressor E0570
DME-Other DME · category DE000N
2 suppliers12 claims12 services$7.58 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 2

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

Family Medicine
65 W MAIN ST
GREENWICH, OH 44837
Nurse Practitioner (Family)
65 W MAIN ST
GREENWICH, OH 44837

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 Billy Back's NPI number?

The NPI number for Billy Back is 1831191444. It was assigned to this individual provider in the NPPES registry on August 12, 2005.

Where is Billy Back located?

Billy Back practices at 65 W Main St, Greenwich, OH 44837. The listed phone number is (419) 752-1811.

What is Billy Back's specialty?

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

Is Billy Back enrolled in Medicare?

Yes. Billy Back 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 Billy Back's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Billy Back reassigns Medicare benefits to 2 organizations: Hospital Medicine Services Of Ohio, Inc. (Mount Gilead, OH) and Mercy Health Physicians-North LLC (Toledo, OH). 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 Billy Back's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Billy Back accept?

Health plans from AmeriHealth Caritas Next, Anthem Blue Cross and Blue Shield, Antidote Health Plan of Ohio, Inc., MedMutual and Oscar Health Insurance list Billy Back 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 Billy Back affiliated with any hospitals?

According to CMS data, Billy Back is affiliated with Firelands Regional Medical Center, Fisher-Titus Hospital, Mercy Health - Tiffin Hospital, Ohiohealth Mansfield Hospital and Mercy Health - Willard Hospital.

When was this NPI record last updated?

The NPPES record for Billy Back was last updated on September 1, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.