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AMARESH RAJESHWAR NATH MD
NPI 1023067543
Internal Medicine - Pulmonary Disease in Fairfield Township, OH

Active since May 10, 2006PECOS EnrolledAccepts Medicare Assignment
3055 HAMILTON MASON RD, FAIRFIELD TOWNSHIP, OH 45011(513) 793-2654(513) 454-3053 Get Directions Write a Review

NPPES record last updated: May 9, 2023. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Amaresh Rajeshwar Nath Md NPPES

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

AMARESH RAJESHWAR NATH MD (NPI 1023067543) is an individual pulmonary disease provider in Fairfield Township, Ohio, licensed in Ohio (35-072307) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with Mccullough-hyde Memorial Hospital, and maintains a secondary practice location in Middletown.

NPPES Registry Identity

NPI1023067543
Entity TypeIndividualMale
Primary Taxonomy207RP1001X
Provider Legal NameAMARESH RAJESHWAR NATHCredential: MD
Location Address3055 HAMILTON MASON RDFairfield Township, OH 45011-5307
Mailing Address3055 Hamilton Mason RdFairfield Township, OH 45011-5307 · (513) 793-2654 · Fax (513) 454-3053
Phone(513) 793-2654
Fax(513) 454-3053
Sole ProprietorNo
Medical School CMSOtherGraduated 1984
Enumeration DateMay 10, 2006
Last NPPES UpdateMay 9, 2023
NPPES CertifiedMay 9, 2023
✔ NPI 1023067543 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Pulmonary DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RP1001X
License✔ Licensed in OH · 35-072307
Definition
An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.
Also ListedInternal MedicineTaxonomy 207R00000X · License 35-072307 (OH)
Also ListedInternal Medicine · Critical Care MedicineTaxonomy 207RC0200X · License 35-072307 (OH)
3055 HAMILTON MASON RD, Fairfield Township, OH 45011
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Secondary Practice Location 1

Location 1200 Medical Center Dr, Suite 180BMiddletown, OH 45005-5200 · Phone (513) 420-8030 · Fax (513) 425-7202

Other Identifiers 3

Medicaid64092802KY
Medicaid200207290IN
Medicaid2123964OH

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter from Meridian, Ambetter Health 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

Amaresh Rajeshwar Nath 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 ID1355300112
PECOS Enrollment IDI20041007000128
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 Amaresh Nath reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Mercy Health Physicians Cincinnati Specialty Care LLC
12 mi
Surgery
4600 MCAULEY PL STE 600
Blue Ash, OH 45242
  • Reassigned Medicare billing, Ohio enrollment
  • 481 clinicians in this Medicare group
NPI 1154942795 (888) 696-3541
Trihealth H LLC
13 mi
Infectious Disease
10495 MONTGOMERY RD
Cincinnati, OH 45242
  • Reassigned Medicare billing, Ohio enrollment
  • 1,102 clinicians in this Medicare group
NPI 1164860920 (513) 984-2775

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 6

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.
193 services159 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.
141 services115 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.
64 services64 patients
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231
Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.
43 services25 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
39 services20 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
26 services26 patients

Hospital Affiliations CMS Care Compare 3

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

Mccullough-Hyde Memorial Hospital

Acute Care Hospitals · Oxford, OH
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number360046
Location110 North Poplar StreetOxford, OH 45056 · Butler County
Emergency services Birthing friendly

Good Samaritan Hospital

Acute Care Hospitals · Cincinnati, OH
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number360134
Location375 Dixmyth AvenueCincinnati, OH 45220 · Hamilton County
Emergency services Birthing friendly

Bethesda North

Acute Care Hospitals · Cincinnati, OH
3/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number360179
Location10500 Montgomery RoadCincinnati, OH 45242 · Hamilton County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 45011 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 18

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

Tubing with integrated heating element for use with positive airway pressure device A4604
DME-Other DME · category DE001N
7 suppliers22 claims22 services$32.62 avg. paid by Medicare
Full face mask used with positive airway pressure device, each A7030
DME-Other DME · category DE001N
6 suppliers20 claims20 services$79.08 avg. paid by Medicare
Face mask interface, replacement for full face mask, each A7031
DME-Other DME · category DE001N
5 suppliers14 claims31 services$31.09 avg. paid by Medicare
Cushion for use on nasal mask interface, replacement only, each A7032
DME-Other DME · category DE001N
5 suppliers29 claims151 services$14.68 avg. paid by Medicare
Nasal interface (mask or cannula type) used with positive airway pressure device, with or without head strap A7034
DME-Other DME · category DE001N
7 suppliers41 claims41 services$46.12 avg. paid by Medicare
Headgear used with positive airway pressure device A7035
DME-Other DME · category DE001N
8 suppliers47 claims47 services$15.26 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 3

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

ANISHA JANARDHANAN NP
Nurse Practitioner (Family)
3055 HAMILTON MASON RD
FAIRFIELD TOWNSHIP, OH 45011
Butler County (513) 454-3050
PREXUS HEALTH PARTNERS LLC
Durable Medical Equipment & Medical Supplies
3055 HAMILTON MASON RD
HAMILTON, OH 45011
Butler County (513) 454-3050
ROMMEL PARCE PADILLO CNP
Nurse Practitioner (Family)
3055 HAMILTON MASON RD
FAIRFIELD TWP, OH 45011
Butler County (513) 865-1690

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 Amaresh Nath's NPI number?

The NPI number for Amaresh Nath is 1023067543. It was assigned to this individual provider in the NPPES registry on May 10, 2006.

Where is Amaresh Nath located?

Amaresh Nath practices at 3055 Hamilton Mason Rd, Fairfield Township, OH 45011. The listed phone number is (513) 793-2654.

What is Amaresh Nath's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Is Amaresh Nath enrolled in Medicare?

Yes. Amaresh Nath 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 Amaresh Nath's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Amaresh Nath reassigns Medicare benefits to 2 organizations: Mercy Health Physicians Cincinnati Specialty Care LLC (Blue Ash, OH) and Trihealth H LLC (Cincinnati, 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 Amaresh Nath's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Amaresh Nath accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Anthem Blue Cross and Blue Shield and CareSource and 2 other insurers list Amaresh Nath 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 Amaresh Nath affiliated with any hospitals?

According to CMS data, Amaresh Nath is affiliated with Mccullough-Hyde Memorial Hospital, Good Samaritan Hospital and Bethesda North.

When was this NPI record last updated?

The NPPES record for Amaresh Nath was last updated on May 9, 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.