DR. KAMESH SIVAGNANAM MD
NPI 1396043055
Internal Medicine - Cardiovascular Disease in Harlingen, TX

Q: What is Kamesh Sivagnanam's NPI number?

The NPI number for Kamesh Sivagnanam is 1396043055. It was assigned to this individual provider in the NPPES registry on March 4, 2011.

Q: What is Kamesh Sivagnanam's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Q: When was this NPI record last updated?

The NPPES record for Kamesh Sivagnanam was last updated on December 14, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.

Active since March 04, 2011PECOS EnrolledAccepts Medicare Assignment

2121 PEASE ST STE 406, HARLINGEN, TX 78550(956) 389-5677(956) 698-4953 Get Directions Write a Review

NPPES record last updated: December 14, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Dec 14, 2023, Feb 12, 2018, Jul 31, 2017 and 1 more (4 updates tracked since 2017).

On this page

About Dr. Kamesh Sivagnanam Md NPPES

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

DR. KAMESH SIVAGNANAM MD (NPI 1396043055) is an individual cardiovascular disease provider in Harlingen, Texas, licensed in Texas (U6654) and active in the NPI registry since March 2011. He is enrolled in Medicare PECOS, is affiliated with St Joseph Hospital, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1396043055

Entity TypeIndividualMale

Primary Taxonomy207RC0000X

Provider Legal NameDR. KAMESH SIVAGNANAMCredential: MD

Location Address2121 PEASE ST STE 406Harlingen, TX 78550-8338

Mailing Address2121 Pease St Ste 406Harlingen, TX 78550-8338 · (956) 966-6255

Phone(956) 389-5677

Fax(956) 698-4953

Sole ProprietorNo

Medical School CMSOtherGraduated 2009

Enumeration DateMarch 4, 2011

Last NPPES UpdateDecember 14, 20234 updates tracked since enumeration

NPPES CertifiedDecember 14, 2023

✔ NPI 1396043055 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RC0000X

Licenses✔ Licensed in TX · U6654✔ Licensed in TN · 56141✔ Licensed in RI · MD19501

Definition

An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

2121 PEASE ST STE 406, Harlingen, TX 78550

Open in Google Maps ↗

Secondary Practice Locations 2

Location 11503 W ELK AVE, STE 8ELIZABETHTON, TN 37643-2883 · Phone (423) 926-4468

Location 2593 Eddy StProvidence, RI 02903-4923 · Phone (401) 444-5891

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections 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

Dr. Kamesh Sivagnanam 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 ID1658641485

PECOS Enrollment IDI20230206000434, I20230614003085, I20231012000993, I20231120000023

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

Medicare enrollment records show Kamesh Sivagnanam reassigns Medicare billing to 10 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Bhs Physicians Network, Inc

243 mi

Family Medicine

502 MADISON OAK DR STE 310
San Antonio, TX 78258

Reassigned Medicare billing, Texas enrollment
964 clinicians in this Medicare group

NPI 1598958431 (210) 483-8883

County Of Ward

489 mi

Rural Health

921 E 4TH ST
Monahans, TX 79756

Reassigned Medicare billing, Texas enrollment
56 clinicians in this Medicare group

NPI 1154805687 (432) 943-2511

Presbyterian Healthcare Services

656 mi

Rural

2100 MARTIN LUTHER KING JR BLVD
Clovis, NM 88101

Reassigned Medicare billing, New Mexico enrollment
Also billed through NPI 1558347708 (New Mexico), NPI 1962488304 (New Mexico), NPI 1790761138 (New Mexico)
2,331 clinicians in this Medicare group

NPI 1629053509 (505) 469-7577

Omni Healthcare, Inc.

1,058 mi

Specialist

1344 S APOLLO BLVD STE 406
Melbourne, FL 32901

Reassigned Medicare billing, Florida enrollment
92 clinicians in this Medicare group

NPI 1134191323 (321) 727-2990

Karing Hearts Cardiology, PLLC

1,140 mi

Cardiovascular Disease

701 N STATE OF FRANKLIN RD, SUITE 2
Johnson City, TN 37604

Reassigned Medicare billing, Tennessee enrollment
10 clinicians in this Medicare group

NPI 1568760544 (423) 926-4468

Karing Hearts Cardiology PC

1,140 mi

Cardiovascular Disease

701 N STATE OF FRANKLIN RD STE 2
Johnson City, TN 37604

Reassigned Medicare billing, Tennessee enrollment
18 clinicians in this Medicare group

NPI 1841895935 (423) 926-4468

Lifespan Physician Group, Inc.

1,839 mi

Surgery

2 DUDLEY ST STE 470
Providence, RI 02905

Reassigned Medicare billing, Rhode Island enrollment
1,372 clinicians in this Medicare group

NPI 1174484216 (401) 272-1800

Rhode Island Hospital

1,841 mi

Advanced Heart Failure and Transplant Cardiology

593 EDDY ST, GEORGE BLDG., 1ST FLOOR
Providence, RI 02903

Reassigned Medicare billing, Rhode Island enrollment
67 clinicians in this Medicare group

NPI 1962844795 (401) 606-1004

The Miriam Hospital

1,842 mi

Cardiovascular Disease

208 COLLYER ST, SUITE 100
Providence, RI 02904

Reassigned Medicare billing, Rhode Island enrollment
106 clinicians in this Medicare group

NPI 1851677470 (401) 793-7191

St. Joseph Hospital

2,056 mi

General Acute Care Hospital

360 BROADWAY
Bangor, ME 04401

Reassigned Medicare billing, Maine enrollment
259 clinicians in this Medicare group

NPI 1154321545 (207) 907-1000

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.

1,806 services1,269 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.

530 services138 patients

Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306

This is a heart ultrasound, also known as an echocardiogram. It uses sound waves to create pictures of your heart, showing how blood flows through it. The color depicts the blood flow's speed and direction. It also checks the heart's valves to ensure they're working properly.

307 services290 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.

255 services102 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.

135 services126 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000

An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.

61 services50 patients

Heart rhythm review and interpretation of continous external ekg over 8-15 days 93248

This service involves wearing a device for 8-15 days that continuously records your heart's electrical activity. It helps in identifying irregular heart rhythms. The recorded data is then reviewed and interpreted by a healthcare professional for any abnormalities.

56 services56 patients

Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes 99152

This procedure involves a doctor administering a medication to reduce your consciousness during a procedure. This helps in managing discomfort and anxiety. The initial application lasts for 15 minutes and is for individuals aged 5 years or older.

53 services44 patients

Insertion of tube in left lower heart chamber and coronary artery for diagnosis with review by radiologist 93458

This procedure involves placing a tube into your left lower heart chamber and coronary artery. It helps doctors diagnose heart conditions by allowing them to view these areas in detail. A radiologist will review the images to ensure accurate diagnosis.

35 services33 patients

Ultrasound of both sides of head and neck blood flow 93880

An ultrasound of the head and neck blood flow is a safe, non-invasive procedure that uses sound waves to create images of blood vessels. It helps detect abnormalities like blockages or clots, ensuring optimal blood flow.

33 services33 patients

Electrocardiogram (ecg) 2-day continuous with review by health care professional 93227

An Electrocardiogram (ECG) is a test that checks your heart's activity. The 2-day continuous ECG records your heart's rhythm non-stop for 48 hours. It helps to detect irregularities that may not occur during a shorter test. A healthcare professional will review the results to identify any issues.

29 services29 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.

27 services26 patients

Heart rhythm review, and interpretation of continous external ekg over more than 48 hours up to 7 days 93244

A heart rhythm review involves monitoring your heart's electrical activity for more than 48 hours up to 7 days. Using a device called an external EKG, doctors can track your heartbeats to detect irregularities and help diagnose heart conditions.

24 services24 patients

Heart rhythm review and interpretation of continous external ekg over 8-15 days 93248

24 services24 patients

Nuclear medicine studies of heart muscle at rest and with stress and spect 78452

Nuclear medicine studies of the heart involve two parts: rest and stress. During rest, images are taken of your heart at ease. During stress, images are taken after exercise or medication-induced stress. SPECT is a special imaging technique providing 3D pictures of your heart, helping identify any issues.

23 services23 patients

Ultrasound of heart, follow-up 93308

A follow-up ultrasound of the heart, also known as an echocardiogram, is a non-invasive test that uses sound waves to create images of your heart. It helps doctors monitor your heart's function and structures after initial assessment or treatment.

21 services20 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.

21 services11 patients

Electrocardiogram (ecg) up to 30 days continuous with symptom monitoring, transmission and review and report by health care professional 93272

An Electrocardiogram (ECG) is a test that records the electrical activity of your heart. For up to 30 days, a device will continuously monitor your heart's rhythm, noting any symptoms. The data is sent to a healthcare professional who reviews it and provides a report on your heart health.

18 services18 patients

Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician 93018

An exercise or drug-induced heart stress test with ECG is a procedure to assess how your heart functions under stress. It can involve exercising or medication to make your heart work harder while an ECG records its activity. A physician reviews the results.

16 services16 patients

Ultrasound study of arm or leg veins with compression and maneuvers 93970

An ultrasound study of arm or leg veins with compression and maneuvers is a non-invasive procedure that uses sound waves to create images of your veins. This helps identify blood clots or other vein problems. During the procedure, pressure is applied to the veins and certain movements are performed to assess blood flow.

15 services15 patients

Electrocardiogram (ecg) up to 30 days continuous with review and report by health care professional 93228

An Electrocardiogram (ECG) is a non-invasive test that records the electrical signals in your heart. For up to 30 days, a small device will continuously monitor your heart's activity. A healthcare professional will then review the data and provide a report on your heart's function.

14 services14 patients

Ultrasound of heart with probe in esophagus, with report 93312

This procedure, called a transesophageal echocardiogram, uses a small probe passed into your esophagus to capture detailed images of your heart. The report provides information about your heart's structure and function.

13 services13 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

13 services12 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.

13 services12 patients

Hospital Affiliations CMS Care Compare 5

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

St Joseph Hospital

Acute Care Hospitals · Bangor, ME

4/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number200001

Location360 BroadwayBangor, ME 04401 · Penobscot County

Emergency services

The Miriam Hospital

Acute Care Hospitals · Providence, RI

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number410012

Location164 Summit AvenueProvidence, RI 02906 · Providence County

Emergency services

Valley Baptist Medical Center- Brownsville

Acute Care Hospitals · Brownsville, TX

3/5 CMS rating

OwnershipProprietary

CMS Certification Number450028

Location1040 W Jefferson StBrownsville, TX 78520 · Cameron County

Emergency services Birthing friendly

Vhs Harlingen Hospital Company LLC

Acute Care Hospitals · Harlingen, TX

2/5 CMS rating

OwnershipProprietary

CMS Certification Number450033

Location2101 Pease StHarlingen, TX 78550 · Cameron County

Emergency services Birthing friendly

Harlingen Medical Center

Acute Care Hospitals · Harlingen, TX

4/5 CMS rating

OwnershipProprietary

CMS Certification Number450855

Location5501 South Expressway 77Harlingen, TX 78550 · Cameron County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78550 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

$126.40 typical visit price

range $54.84 – $166.88

Typical copayment $31.60 (range $13.71 – $41.72)

Most-billed visit code 99204

Established Patient

$68.55 typical visit price

range $17.52 – $136.11

Typical copayment $17.13 (range $4.38 – $34.02)

Most-billed visit code 99213

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 5

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

Filter, disposable, used with positive airway pressure device A7038

DME-Other DME · category DE001N

1 supplier15 claims52 services$2.75 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 suppliers11 claims11 services$19.15 avg. paid by Medicare

Humidifier, heated, used with positive airway pressure device E0562

DME-Other DME · category DE001N

1 supplier27 claims27 services$15.53 avg. paid by Medicare

Continuous positive airway pressure (cpap) device E0601

DME-Other DME · category DE001N

1 supplier31 claims31 services$47.11 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 suppliers11 claims11 services$103.42 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.

DR. SOHUM DESAI M.D.

Neurological Surgery

2121 PEASE ST STE 406
HARLINGEN, TX 78550

Cameron County (956) 389-4060

DR. HILLARY CHOLLET MD

Surgery

2121 PEASE ST STE 406
HARLINGEN, TX 78550

Cameron County (956) 389-4710

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 Kamesh Sivagnanam's NPI number?

The NPI number for Kamesh Sivagnanam is 1396043055. It was assigned to this individual provider in the NPPES registry on March 4, 2011.

Where is Kamesh Sivagnanam located?

Kamesh Sivagnanam practices at 2121 Pease St Ste 406, Harlingen, TX 78550. The listed phone number is (956) 389-5677.

What is Kamesh Sivagnanam's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is Kamesh Sivagnanam enrolled in Medicare?

Yes. Kamesh Sivagnanam 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 Kamesh Sivagnanam's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Kamesh Sivagnanam reassigns Medicare benefits to 10 organizations: Bhs Physicians Network, Inc (San Antonio, TX), County Of Ward (Monahans, TX), Presbyterian Healthcare Services (Clovis, NM), Omni Healthcare, Inc. (Melbourne, FL), Karing Hearts Cardiology, PLLC (Johnson City, TN) and 5 more organizations, listed in the Medicare section above. 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 Kamesh Sivagnanam's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Kamesh Sivagnanam accept?

Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 9 other insurers list Kamesh Sivagnanam 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 Kamesh Sivagnanam affiliated with any hospitals?

According to CMS data, Kamesh Sivagnanam is affiliated with St Joseph Hospital, The Miriam Hospital, Valley Baptist Medical Center- Brownsville, Vhs Harlingen Hospital Company LLC and Harlingen Medical Center.

When was this NPI record last updated?

The NPPES record for Kamesh Sivagnanam was last updated on December 14, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.