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DR. RAMYA CHINNASAMY MD
NPI 1063708238
Hospitalist in Saint Louis, MO

Active since June 25, 2011PECOS EnrolledAccepts Medicare Assignment
621 S NEW BALLAS RD STE 112A, SAINT LOUIS, MO 63141(314) 251-6339(314) 251-4564 Get Directions Write a Review

NPPES record last updated: December 2, 2019. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Dec 2, 2019, Mar 15, 2017 (2 updates tracked since 2017).

About Dr. Ramya Chinnasamy Md NPPES

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

DR. RAMYA CHINNASAMY MD (NPI 1063708238) is an individual hospitalist provider in Saint Louis, Missouri, licensed in Missouri (2018008443) and active in the NPI registry since June 2011. She is enrolled in Medicare PECOS, is affiliated with Mercy Hospital St Louis, and is a graduate of Other (2006).

NPPES Registry Identity

NPI1063708238
Entity TypeIndividualFemale
Primary Taxonomy208M00000X
Provider Legal NameDR. RAMYA CHINNASAMYCredential: MD
Location Address621 S NEW BALLAS RD STE 112ASaint Louis, MO 63141-8252
Mailing Address621 S New Ballas Rd Ste 112aSaint Louis, MO 63141-8252 · (314) 251-6339 · Fax (314) 251-4564
Phone(314) 251-6339
Fax(314) 251-4564
Sole ProprietorNo
Medical School CMSOtherGraduated 2006
Enumeration DateJune 25, 2011
Last NPPES UpdateDecember 2, 20192 updates tracked since enumeration
✔ NPI 1063708238 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians
Taxonomy Code208M00000X
Licenses✔ Licensed in MO · 2018008443✔ Licensed in NY · 277043
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.
621 S NEW BALLAS RD STE 112A, Saint Louis, MO 63141
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arkansas Health & Wellness, Ambetter from Home State Health, Ambetter from Sunflower Health Plan and more.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. Ramya Chinnasamy 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 ID6709009053
PECOS Enrollment IDI20180724003131
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 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.

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.
524 services199 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.
118 services115 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.
51 services51 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.
24 services14 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.
21 services21 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.
14 services14 patients

Hospital Affiliations CMS Care Compare

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

Mercy Hospital St Louis

Acute Care Hospitals · Saint Louis, MO
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number260020
Location615 New Ballas RoadSaint Louis, MO 63141 · St. Louis County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63141 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
$128.28 typical visit price
range $55.65 – $169.38
Typical copayment $32.07 (range $13.91 – $42.34)
Most-billed visit code 99204
Established Patient
$98.37 typical visit price
range $17.76 – $137.92
Typical copayment $24.59 (range $4.44 – $34.48)
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 3

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

Nebulizer, with compressor E0570
DME-Other DME · category DE000N
1 supplier11 claims11 services$3.24 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
3 suppliers25 claims25 services$64.00 avg. paid by Medicare
Portable gaseous oxygen system, rental; home compressor used to fill portable oxygen cylinders; includes portable containers, regulator, flowmeter, humidifier, cannula or mask, and tubing K0738
DME-Oxygen and Supplies · category DC000N
2 suppliers12 claims12 services$34.29 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 8

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

MEGHAN M MOORE MSN, AGACNP, FNP
Nurse Practitioner (Acute Care)
621 S NEW BALLAS RD STE 112A
CREVE COEUR, MO 63141
St. Louis County (314) 251-6339
DR. NATHAN ROBERTSON MD
Internal Medicine
621 S NEW BALLAS RD STE 112A
SAINT LOUIS, MO 63141
St. Louis County (314) 251-6339
DR. JASON DARRELL DAUSMAN M.D.
Hospitalist
621 S NEW BALLAS RD STE 112A
SAINT LOUIS, MO 63141
St. Louis County (314) 251-6339
LINDSEY BUSHMANN D.O.
Internal Medicine
621 S NEW BALLAS RD STE 112A
SAINT LOUIS, MO 63141
St. Louis County (314) 251-6339
ALEXANDRA MCDONALD
Nurse Practitioner (Acute Care)
621 S NEW BALLAS RD STE 112A
SAINT LOUIS, MO 63141
St. Louis County (314) 251-6339
ASHLYNN F ROY
Physician Assistant
621 S NEW BALLAS RD STE 112A
SAINT LOUIS, MO 63141
St. Louis County (314) 251-6339
JOHNSON WONG
Internal Medicine
621 S NEW BALLAS RD STE 112A
CREVE COEUR, MO 63141
St. Louis County (314) 251-6339
SHADY HAWATMEH
Internal Medicine
621 S NEW BALLAS RD STE 112A
SAINT LOUIS, MO 63141
St. Louis County (314) 251-6339

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 Ramya Chinnasamy's NPI number?

The NPI number for Ramya Chinnasamy is 1063708238. It was assigned to this individual provider in the NPPES registry on June 25, 2011.

Where is Ramya Chinnasamy located?

Ramya Chinnasamy practices at 621 S New Ballas Rd Ste 112A, Saint Louis, MO 63141. The listed phone number is (314) 251-6339.

What is Ramya Chinnasamy's specialty?

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

Is Ramya Chinnasamy enrolled in Medicare?

Yes. Ramya Chinnasamy 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 Ramya Chinnasamy accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Arkansas Health & Wellness, Ambetter from Home State Health and Ambetter from Sunflower Health Plan and 2 other insurers list Ramya Chinnasamy 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 Ramya Chinnasamy affiliated with any hospitals?

According to CMS data, Ramya Chinnasamy is affiliated with Mercy Hospital St Louis.

When was this NPI record last updated?

The NPPES record for Ramya Chinnasamy was last updated on December 2, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.