DR. RENGARAJU RAMASAMY MD
NPI 1720284425
Internal Medicine in Oka Tamuning, GU

Active since June 21, 2007PECOS EnrolledAccepts Medicare Assignment
100/100
CMS Quality Rating
850 GOVERNOR CARLOS CAMACHO ROAD, OKA TAMUNING, GU 96913(671) 647-2418(671) 649-5508 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Rengaraju Ramasamy Md NPPES

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

DR. RENGARAJU RAMASAMY MD (NPI 1720284425) is an individual internal medicine provider in Oka Tamuning, Guam, licensed in Guam (M001418) and active in the NPI registry since June 2007. He is enrolled in Medicare PECOS, is affiliated with Guam Memorial Hospital Authority, and is a graduate of Other (1983).

NPPES Registry Identity

NPI1720284425
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. RENGARAJU RAMASAMYCredential: MD
Location Address850 GOVERNOR CARLOS CAMACHO ROADOka Tamuning, GU 96913-3128
Mailing Address850 Governor Carlos Camacho RoadOka Tamuning, GU 96913-3128 · (671) 647-2418 · Fax (671) 649-5508
Fax(671) 649-5508
Sole ProprietorNo
Medical School CMSOtherGraduated 1983
Enumeration DateJune 21, 2007
Last NPPES UpdateJuly 8, 2007
NPI 1720284425 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in GU · M001418
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.
850 GOVERNOR CARLOS CAMACHO ROAD, Oka Tamuning, GU 96913

Other Identifiers 2

Medicare UPINI03533
Other56691Pin

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Rengaraju Ramasamy 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 ID7214928118
PECOS Enrollment IDI20170222002586
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.

Areas of Expertise CMS Part B claims 4

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.

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.
224 services47 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.
212 services73 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.
33 services32 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
25 services25 patients

Hospital Affiliations CMS Care Compare

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

Guam Memorial Hospital Authority

Acute Care Hospitals · Tamuning, GU
2/5 CMS rating
OwnershipGovernment - Local
CMS Certification Number650001
Location85O Gov Carlos G Camacho RoadTamuning, GU 96913 · Guam County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 96913 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
$136.68 typical visit price
range $60.53 – $180.05
Typical copayment $34.17 (range $15.13 – $45.01)
Most-billed visit code 99204
Established Patient
$105.65 typical visit price
range $20.09 – $147.56
Typical copayment $26.41 (range $5.02 – $36.89)
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.

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.

100/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality92.62
Improvement Activities40
Cost100

Other Providers at the Same Location NPPES 16

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

Emergency Medicine (Emergency Medical Services)
850 GOVERNOR CARLOS CAMACHO ROAD
OKA TAMUNING, GU 96913
Anesthesiology
850 GOVERNOR CARLOS CAMACHO ROAD
OKA TAMUNING, GU 96913
General Acute Care Hospital
850 GOVERNOR CARLOS CAMACHO ROAD
OKA TAMUNING, GU 96913
Clinic/Center (End-Stage Renal Disease (ESRD) Treatment)
850 GOVERNOR CARLOS CAMACHO ROAD
OKA TAMUNING, GU 96913
Anesthesiology
850 GOVERNOR CARLOS CAMACHO ROAD
OKA TAMUNING, GU 96913
Obstetrics & Gynecology
850 GOVERNOR CARLOS CAMACHO ROAD
OKA TAMUNING, GU 96913
Radiology (Diagnostic Radiology)
850 GOVERNOR CARLOS CAMACHO ROAD
OKA TAMUNING, GU 96913
Orthopaedic Surgery
850 GOVERNOR CARLOS CAMACHO ROAD, GUAM MEMORIAL HOSPITAL AUTHORITY
TAMUNING, GU 96913

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 Rengaraju Ramasamy's NPI number?

The NPI number for Rengaraju Ramasamy is 1720284425. It was assigned to this individual provider in the NPPES registry on June 21, 2007.

Where is Rengaraju Ramasamy located?

Rengaraju Ramasamy practices at 850 Governor Carlos Camacho Road, Oka Tamuning, GU 96913. The listed phone number is (671) 647-2418.

What is Rengaraju Ramasamy's specialty?

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

Is Rengaraju Ramasamy enrolled in Medicare?

Yes. Rengaraju Ramasamy 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.

Is Rengaraju Ramasamy affiliated with any hospitals?

According to CMS data, Rengaraju Ramasamy is affiliated with Guam Memorial Hospital Authority.

When was this NPI record last updated?

The NPPES record for Rengaraju Ramasamy was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.