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

DR. SHAMANTHY RATNASINGAM M.D
NPI 1184076507
Hospitalist in Middletown, NY

Active since July 09, 2016PECOS EnrolledAccepts Medicare Assignment
82.9/100
CMS Quality Rating
155 CRYSTAL RUN RD, MIDDLETOWN, NY 10941(845) 703-6999(845) 703-6297 Get Directions Write a Review

NPPES record last updated: June 21, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Feb 28, 2025, Mar 17, 2021, Jan 24, 2020 and 1 more (4 updates tracked since 2019).

About Dr. Shamanthy Ratnasingam M.d NPPES

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

DR. SHAMANTHY RATNASINGAM M.D (NPI 1184076507) is an individual hospitalist provider in Middletown, New York, licensed in New York (299495) and active in the NPI registry since July 2016. She is enrolled in Medicare PECOS, is affiliated with Peconic Bay Medical Center, and is a graduate of Other (2016).

NPPES Registry Identity

NPI1184076507
Entity TypeIndividualFemale
Primary Taxonomy208M00000X
Provider Legal NameDR. SHAMANTHY RATNASINGAMCredential: M.D
Location Address155 CRYSTAL RUN RDMiddletown, NY 10941-4028
Mailing Address1000 Montauk HwyWest Islip, NY 11795-4927 · (631) 376-3000
Fax(845) 703-6297
Sole ProprietorNo
Medical School CMSOtherGraduated 2016
Enumeration DateJuly 9, 2016
Last NPPES UpdateJune 21, 20264 updates tracked since enumeration
NPPES CertifiedJune 21, 2026
NPI 1184076507 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians
Taxonomy Code208M00000X
License Licensed in NY · 299495
Definition
Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.
155 CRYSTAL RUN RD, Middletown, NY 10941

Accepted Insurance

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. Shamanthy Ratnasingam M.d 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 ID7113257643
PECOS Enrollment IDI20190926002012
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 5

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 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.
725 services372 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.
263 services249 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.
144 services142 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
84 services75 patients
Hospital discharge day management, 30 minutes or less 99238
Hospital discharge day management of 30 minutes or less includes finalizing your treatment, discussing your progress, and planning after-care at home. It ensures you're ready to leave the hospital and continue recovery safely.
72 services72 patients

Hospital Affiliations CMS Care Compare 5

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

Peconic Bay Medical Center

Acute Care Hospitals · Riverhead, NY
3/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number330107
Location1 Heros WayRiverhead, NY 11901 · Suffolk County
Emergency services Birthing friendly

St James Mercy Hospital

Acute Care Hospitals · Hornell, NY
2/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number330151
Location7329 Seneca Road NorthHornell, NY 14843 · Steuben County
Emergency services

St Anthony Community Hospital

Acute Care Hospitals · Warwick, NY
5/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number330205
Location15 Maple Avenue -19Warwick, NY 10990 · Orange County
Birthing friendly

Nicholas H Noyes Memorial Hospital

Acute Care Hospitals · Dansville, NY
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330238
Location111 Clara Barton StreetDansville, NY 14437 · Livingston County
Emergency services Birthing friendly

St Luke's Cornwall Hospital

Acute Care Hospitals · Newburgh, NY
2/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number330264
Location70 Dubois StreetNewburgh, NY 12550 · Orange County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 10941 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
$141.77 typical visit price
range $61.88 – $187.05
Typical copayment $35.44 (range $15.47 – $46.76)
Most-billed visit code 99204
Established Patient
$108.56 typical visit price
range $19.92 – $151.94
Typical copayment $27.14 (range $4.98 – $37.98)
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.

82.9/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality74.09
Promoting Interoperability100
Improvement Activities40
Cost65.94

Referred Medical Equipment & Supplies CMS DME claims 5

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
11 suppliers44 claims120 services$6.11 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
7 suppliers11 claims17 services$1.18 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
2 suppliers30 claims30 services$18.06 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
2 suppliers50 claims50 services$107.49 avg. paid by Medicare
Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553
DME-Other DME · category DE017N
2 suppliers14 claims14 services$191.45 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 20

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

Internal Medicine (Nephrology)
155 CRYSTAL RUN RD
MIDDLETOWN, NY 10941
Nurse Practitioner (Acute Care)
155 CRYSTAL RUN RD
MIDDLETOWN, NY 10941
Internal Medicine (Pulmonary Disease)
155 CRYSTAL RUN RD
MIDDLETOWN, NY 10941
Nurse Practitioner (Family)
155 CRYSTAL RUN RD
MIDDLETOWN, NY 10941
Internal Medicine (Endocrinology, Diabetes & Metabolism)
155 CRYSTAL RUN RD
MIDDLETOWN, NY 10941
Internal Medicine (Infectious Disease)
155 CRYSTAL RUN RD
MIDDLETOWN, NY 10941
Psychiatry & Neurology (Psychiatry)
155 CRYSTAL RUN RD
MIDDLETOWN, NY 10941
Radiology (Diagnostic Radiology)
155 CRYSTAL RUN RD
MIDDLETOWN, NY 10941

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 Shamanthy Ratnasingam's NPI number?

The NPI number for Shamanthy Ratnasingam is 1184076507. It was assigned to this individual provider in the NPPES registry on July 9, 2016.

Where is Shamanthy Ratnasingam located?

Shamanthy Ratnasingam practices at 155 Crystal Run Rd, Middletown, NY 10941. The listed phone number is (845) 703-6999.

What is Shamanthy Ratnasingam's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Is Shamanthy Ratnasingam enrolled in Medicare?

Yes. Shamanthy Ratnasingam 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.

What insurance does Shamanthy Ratnasingam accept?

Health plans from Blue Cross and Blue Shield of Kansas, Inc. list Shamanthy Ratnasingam 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 Shamanthy Ratnasingam affiliated with any hospitals?

According to CMS data, Shamanthy Ratnasingam is affiliated with Peconic Bay Medical Center, St James Mercy Hospital, St Anthony Community Hospital, Nicholas H Noyes Memorial Hospital and St Luke's Cornwall Hospital.

When was this NPI record last updated?

The NPPES record for Shamanthy Ratnasingam was last updated on June 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 55 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.