NALLATHAMBY THAYAPRAN M.D.
NPI 1386740421
Internal Medicine - Interventional Cardiology in Porterville, CA

Q: What is Nallathamby Thayapran's NPI number?

The NPI number for Nallathamby Thayapran is 1386740421. It was assigned to this individual provider in the NPPES registry on September 16, 2006. The provider is also known as Taya Thayapran M.D..

Q: What is Nallathamby Thayapran's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Interventional Cardiology, with taxonomy code 207RI0011X.

Active since September 16, 2006PECOS EnrolledAccepts Medicare Assignment

72.52/100

CMS Quality Rating

240 N PORTER RD, PORTERVILLE, CA 93257(559) 793-2677(559) 793-2650 Get Directions Write a Review

NPPES record last updated: February 6, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Feb 6, 2026, Jan 21, 2020 (2 updates tracked since 2020).

On this page

About Nallathamby Thayapran M.d. NPPES

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

NALLATHAMBY THAYAPRAN M.D. (NPI 1386740421) is an individual interventional cardiology provider in Porterville, California, licensed in California (A66422) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1990).

NPPES Registry Identity

NPI1386740421

Entity TypeIndividualMale

Primary Taxonomy207RI0011X

Provider Legal NameNALLATHAMBY THAYAPRANCredential: M.D.

Location Address240 N PORTER RDPorterville, CA 93257-3140

Mailing Address240 N Porter RdPorterville, CA 93257-3140 · (559) 793-2677 · Fax (559) 793-2650

Phone(559) 793-2677

Fax(559) 793-2650

Sole ProprietorNo

Medical School CMSOtherGraduated 1990

Enumeration DateSeptember 16, 2006

Last NPPES UpdateFebruary 6, 20262 updates tracked since enumeration

NPPES CertifiedFebruary 6, 2026

✔ NPI 1386740421 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Interventional CardiologyAllopathic & Osteopathic Physicians

Taxonomy Code207RI0011X

License✔ Licensed in CA · A66422

Definition

An area of medicine within the subspecialty of cardiology, which uses specialized imaging and other diagnostic techniques to evaluate blood flow and pressure in the coronary arteries and chambers of the heart and uses technical procedures and medications to treat abnormalities that impair the function of the cardiovascular system.

Also ListedInternal MedicineTaxonomy 207R00000X · License A66422 (CA)

Also ListedInternal Medicine · Cardiovascular DiseaseTaxonomy 207RC0000X · License A66422 (CA)

240 N PORTER RD, Porterville, CA 93257

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Other Names 1

Other Name (5)Taya Thayapran M.d.

Other Identifiers 2

OtherP00460809R R Medicare

Medicaid00A664220CA

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

Nallathamby Thayapran 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 ID1254239098

PECOS Enrollment IDI20070516000440

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 Nallathamby Thayapran reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Nallathamby Thayapran, MD, Inc.

Same address

Cardiovascular Disease

240 N PORTER RD
Porterville, CA 93257

Reassigned Medicare billing, California enrollment
4 clinicians in this Medicare group

NPI 1154472785 (559) 793-2677

State Of California - Department Of Developmental Services

3.9 mi

General Acute Care Hospital

26501 AVENUE 140
Porterville, CA 93257

Reassigned Medicare billing, California enrollment
69 clinicians in this Medicare group

NPI 1588615835 (559) 782-2222

Kern County Hospital Authority

47 mi

Federally Qualified Health Center (FQHC)

1111 COLUMBUS ST STE 3000
Bakersfield, CA 93305

Reassigned Medicare billing, California enrollment
532 clinicians in this Medicare group

NPI 1003612565 (661) 664-2200

Comprehensive Cardiovascular Medical Group, Inc.

49 mi

Cardiovascular Disease

5945 TRUXTUN AVE
Bakersfield, CA 93309

Reassigned Medicare billing, California enrollment
12 clinicians in this Medicare group

NPI 1578532123 (661) 631-5544

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 41

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.

2,397 services684 patients

Injection, regadenoson, 0.1 mg J2785

Regadenoson injection, 0.1 mg, is a medication used to help visualize the heart during a stress test. It works by increasing blood flow in the arteries of the heart. It's injected into a vein and is generally well-tolerated.

2,190 services544 patients

Rubidium rb-82, diagnostic, per study dose, up to 60 millicuries A9555

Rubidium Rb-82 is a radioactive drug used in a PET scan to help visualize the heart. It helps detect areas with poor blood flow, aiding in diagnosing heart conditions. The dose is up to 60 millicuries per study.

1,104 services547 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.

1,014 services655 patients

Nuclear medicine studies of blood flow in heart muscle at rest and with stress 78492

Nuclear medicine studies help visualize blood flow in your heart at rest and during stress. A small amount of radioactive substance is injected, which your heart absorbs. Images are then taken to assess your heart's health and function.

552 services547 patients

Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision and review by physician 93015

An exercise or drug-induced heart stress test with ECG is a procedure performed by a doctor to assess how your heart responds to exertion. It involves monitoring your heart's electrical activity while you exercise or after medication is given to mimic exercise effects.

549 services528 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.

536 services512 patients

Review by radiologist of arm or leg artery image 75710

This procedure involves a radiologist examining images of your arm or leg arteries. These images are obtained through a non-invasive method, like an ultrasound or CT scan. The radiologist reviews these images to identify any abnormalities, such as blockages or narrowing, which can affect blood flow.

340 services128 patients

Ultrasound study of arm and leg arteries 93922

An ultrasound study of arm and leg arteries is a non-invasive procedure that uses sound waves to create images of your arteries. It helps in checking blood flow, identifying blockages, or detecting other abnormalities in your arteries.

224 services222 patients

Ultrasound of leg arteries or artery grafts 93925

An ultrasound of leg arteries or artery grafts is a non-invasive imaging test. It uses high-frequency sound waves to capture live images from inside your body, specifically your leg arteries or grafts. This helps in detecting any blockages or abnormalities.

224 services222 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.

189 services76 patients

Review by radiologist of abdominal aorta image 75625

This is a procedure where a radiologist, a doctor specialized in medical imaging, examines an image of your abdominal aorta. The abdominal aorta is the large blood vessel that carries blood to your lower body. The radiologist checks for any abnormalities to ensure your overall vascular health.

171 services129 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.

171 services127 patients

Insertion of tube into abdominal, pelvic, or leg artery, initial second order branch 36246

This procedure involves the placement of a tube into an artery in your abdomen, pelvis, or leg. The tube is inserted into a secondary branch of the main artery. This helps doctors access the artery to diagnose or treat certain conditions.

170 services128 patients

Insertion of tube into abdominal, pelvic, or leg artery, initial third order branch 36247

This procedure involves placing a tube into an artery in the abdomen, pelvis, or leg. The tube is inserted into the initial third order branch of the artery. This can help doctors diagnose or treat certain conditions by allowing access to these blood vessels.

170 services128 patients

Insertion of tube into abdominal, pelvic, or leg artery, each first order branch 36245

This procedure involves inserting a tube into an artery in your abdomen, pelvis, or leg. The tube is placed into the first order branch of the artery. It's done to investigate or treat conditions affecting blood flow. It's a safe, common procedure.

169 services127 patients

Insertion of needle or tube into artery of arm or leg 36140

This procedure involves inserting a needle or a small tube into an artery in your arm or leg. It's typically done to monitor blood pressure, take blood samples, or administer medication. You may feel a small prick or pressure. It's generally safe with minimal discomfort.

167 services126 patients

Insertion of tube into aorta 36200

The insertion of a tube into your aorta is a medical procedure aimed at diagnosing or treating conditions related to your heart and blood vessels. A small, flexible tube is inserted through a blood vessel and gently guided to your aorta. It's generally safe and helps your doctor get valuable information for your treatment.

167 services128 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.

131 services131 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.

131 services106 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.

126 services126 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.

121 services109 patients

Ultrasound evaluation of blood vessel with review by radiologist, initial vessel 37252

This procedure involves using ultrasound, a safe imaging technique, to examine your blood vessels. The images are then reviewed by a radiologist, a doctor specialized in medical imaging. The process helps identify any abnormalities in your initial vessel.

119 services97 patients

Ultrasound evaluation of blood vessel with review by radiologist, each additional vessel 37253

An ultrasound evaluation of a blood vessel is a non-invasive procedure that uses sound waves to create images of your blood vessels. A radiologist reviews these images to check for any abnormalities. If additional vessels need reviewing, the process is repeated.

107 services90 patients

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

105 services102 patients

Programming of dual lead pacemaker system 93280

Programming of a dual lead pacemaker system is a procedure to adjust your heart's pacemaker settings. This process involves a small device, called a programmer, that communicates with your pacemaker to ensure it's working optimally for your heart's needs.

103 services60 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.

102 services101 patients

Ultrasonic guidance for blood vessel access 76937

Ultrasonic guidance for blood vessel access is a medical procedure where sound waves are used to create images of your blood vessels. This helps doctors to accurately locate and access the vessels for treatments or tests, ensuring safety and precision.

89 services88 patients

Removal of plaque in artery of leg, initial vessel 37229

This procedure involves removing plaque from the initial vessel in your leg. Plaque, a build-up of fat, cholesterol, and other substances, can block blood flow. The removal process, known as an angioplasty, restores healthy blood circulation in your leg.

81 services70 patients

Removal of plaque in arteries of leg 37225

This procedure, known as atherectomy, involves clearing out plaque buildup in the leg arteries. Plaque can restrict blood flow, causing discomfort and potential health issues. A special device is inserted into the artery to carefully remove the plaque, improving blood circulation.

69 services60 patients

Heart rhythm recording of continous external ekg over 8-15 days 93246

A heart rhythm recording is a non-invasive procedure where a small device, attached externally, monitors your heart's electrical activity for 8-15 days. It helps detect irregular heart rhythms, assess heart rate, and guide treatment decisions. It's safe, painless, and can be done during normal daily activities.

56 services55 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 services55 patients

Primary removal and dissolving of blood clot from artery or artery graft using fluoroscopic guidance, initial vessel 37184

This procedure involves the removal of a blood clot from an artery or artery graft. A special imaging technique called fluoroscopy is used to guide the process. This is the initial treatment for the first vessel involved. It helps restore normal blood flow.

44 services41 patients

Removal of plaque with balloon dilation of single coronary artery or branch 92924

This procedure involves inserting a small balloon into a blocked coronary artery. The balloon is then inflated to open the artery and remove plaque, improving blood flow to the heart. It's a common treatment for heart disease.

41 services38 patients

Balloon dilation of artery of leg, initial vessel 37228

Balloon dilation of the artery of the leg is a procedure to improve blood flow. A small balloon is inserted into the leg artery and inflated to widen the vessel, allowing better circulation. This is typically the first vessel treated.

30 services29 patients

Insertion of stents with balloon dilation of coronary artery or branch, single artery or branch 92928

This procedure involves placing a small, mesh tube (stent) in your coronary artery to keep it open. A balloon is used to expand the stent and artery, improving blood flow to your heart. It's typically done for a single artery or branch.

27 services23 patients

Critical care, first 30-74 minutes 99291

Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.

26 services26 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.

16 services15 patients

Insertion of pacemaker and upper and lower heart chamber electrode 33208

A pacemaker insertion is a procedure where a small device, called a pacemaker, is implanted under your skin. This device uses electrical pulses to prompt the heart to beat at a normal rate. Electrodes are placed in the upper and lower chambers of your heart to help regulate your heartbeat.

15 services15 patients

Removal of plaque and blood clot, insertion of stent and/or balloon dilation of single vessel 92941

This procedure involves removing plaque, a substance that can block your blood vessels, and any blood clots. A stent, a tiny tube, may be inserted to keep the vessel open. If necessary, a balloon is inflated to widen the vessel, aiding blood flow.

15 services15 patients

Ultrasonic guidance for blood vessel access 76937

14 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 93257 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

$133.94 typical visit price

range $58.87 – $176.60

Typical copayment $33.48 (range $14.71 – $44.15)

Most-billed visit code 99204

Established Patient

$103.36 typical visit price

range $19.28 – $144.60

Typical copayment $25.84 (range $4.82 – $36.15)

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.

72.52/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Individually scored

Quality

58.31

Promoting Interoperability

Improvement Activities

Cost

61.23

Reported Quality Measures

Appropriate Use of DXA Scans in Women Under 65 Years Who Do Not Meet the Risk Factor Profile for Osteoporotic Fracture

Lower rates are better for this measure.

0%117 patients

Controlling High Blood Pressure

61%824 patients3/55-star benchmark: 91%

Documentation of Current Medications in the Medical Record

87%4,579 patients4/55-star benchmark: 100%

Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan

21%1,440 patients1/55-star benchmark: 98%

Preventive Care and Screening: Screening for High Blood Pressure and Follow-Up Documented

21%724 patients2/55-star benchmark: 61%

Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention

Patients combinedPopulations: 85% · 1,144 patients

Patients screened: 88% · 1,144 patients

52%95 patients3/55-star benchmark: 100%

Provide Patients Electronic Access to Their Health Information

45%1,442 patients1/55-star benchmark: 100%

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES

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

NALLATHAMBY THAYAPRAN, MD, INC.

Internal Medicine (Cardiovascular Disease)

240 N PORTER RD
PORTERVILLE, CA 93257

Tulare County (559) 793-2677

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 Nallathamby Thayapran's NPI number?

The NPI number for Nallathamby Thayapran is 1386740421. It was assigned to this individual provider in the NPPES registry on September 16, 2006. The provider is also known as Taya Thayapran M.D..

Where is Nallathamby Thayapran located?

Nallathamby Thayapran practices at 240 N Porter Rd, Porterville, CA 93257. The listed phone number is (559) 793-2677.

What is Nallathamby Thayapran's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Interventional Cardiology, with taxonomy code 207RI0011X.

Is Nallathamby Thayapran enrolled in Medicare?

Yes. Nallathamby Thayapran 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 Nallathamby Thayapran's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nallathamby Thayapran reassigns Medicare benefits to 4 organizations: Nallathamby Thayapran, MD, Inc. (Porterville, CA), State Of California - Department Of Developmental Services (Porterville, CA), Kern County Hospital Authority (Bakersfield, CA) and Comprehensive Cardiovascular Medical Group, Inc. (Bakersfield, CA). 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 Nallathamby Thayapran's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Nallathamby Thayapran was last updated on February 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months 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.