DR. RAMU THIAGARAJAN M.D.
NPI 1841203783
Psychiatry & Neurology - Neurology in Porterville, CA

Q: What is Ramu Thiagarajan's NPI number?

The NPI number for Ramu Thiagarajan is 1841203783. It was assigned to this individual provider in the NPPES registry on August 14, 2006.

Q: What is Ramu Thiagarajan's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.

Q: When was this NPI record last updated?

The NPPES record for Ramu Thiagarajan was last updated on March 27, 2024. 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 August 14, 2006PECOS EnrolledAccepts Medicare Assignment

75/100

CMS Quality Rating

382 NORTH PEARSON DRIVE, PORTERVILLE, CA 93257(559) 783-0100(559) 783-0200 Get Directions Write a Review

NPPES record last updated: March 27, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Dr. Ramu Thiagarajan M.d. NPPES

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

DR. RAMU THIAGARAJAN M.D. (NPI 1841203783) is an individual neurology provider in Porterville, California, licensed in California (A95502) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS, maintains a secondary practice location in Porterville, and is a graduate of Other (1995).

NPPES Registry Identity

NPI1841203783

Entity TypeIndividualFemale

Primary Taxonomy2084N0400X

Provider Legal NameDR. RAMU THIAGARAJANCredential: M.D.

Location Address382 NORTH PEARSON DRIVEPorterville, CA 93257-3368

Mailing Address382 N. Pearson Dr.Porterville, CA 93257-3368 · (559) 783-0100 · Fax (559) 783-0200

Phone(559) 783-0100

Fax(559) 783-0200

Sole ProprietorYes

Medical School CMSOtherGraduated 1995

Enumeration DateAugust 14, 2006

Last NPPES UpdateMarch 27, 2024

NPPES CertifiedMarch 27, 2024

✔ NPI 1841203783 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · NeurologyAllopathic & Osteopathic Physicians

Taxonomy Code2084N0400X

License✔ Licensed in CA · A95502

Definition

A Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.

382 NORTH PEARSON DRIVE, Porterville, CA 93257

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Secondary Practice Location 1

Location 1591 W Putnam AvePorterville, CA 93257-3260 · Phone (559) 784-5717 · Fax (559) 784-2443

Other Identifiers 4

OtherZZZ69517ZCA · Blue Shield Group Pin

Other00A955020CA · Blue Shield Pin

OtherZZZ05543ZCA · Medicare Group Ptan

Medicaid00A955020CA

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. Ramu Thiagarajan 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 ID8325133416

PECOS Enrollment IDI20071004000401

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

Ramu Thiagarajan MD Professional Corporation

Same address

Neurology

382 NORTH PEARSON DR.
Porterville, CA 93257

Reassigned Medicare billing, California enrollment

NPI 1184820995 (559) 783-0100

State Of California - Department Of Developmental Services

3.4 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

Kaweah Delta Health Care District

20 mi

Multi-Specialty

938 N CHERRY ST
Tulare, CA 93274

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

NPI 1679270581 (559) 686-3481

Adventist Health Delano

24 mi

Dietitian, Registered

1401 GARCES HWY
Delano, CA 93215

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

NPI 1578798047 (661) 721-5388

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 14

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 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.

1,440 services486 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.

1,325 services382 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.

573 services159 patients

Needle measurement of electrical activity in arm or leg muscles, complete study 95886

This procedure, known as an electromyography (EMG), involves inserting a small needle into your arm or leg muscles to measure their electrical activity. This complete study helps diagnose issues with nerves or muscles, providing valuable data for your treatment plan.

249 services95 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.

177 services163 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

137 services137 patients

Injection of drug or substance under skin or into muscle 96372

This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.

135 services23 patients

Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg J3420

This is a procedure where a small dose of Vitamin B-12, also known as Cyanocobalamin, is injected into your body. This vitamin is essential for nerve function and the production of red blood cells. It's often used to treat vitamin B-12 deficiency.

129 services17 patients

Nerve conduction, 13 or more studies 95913

Nerve conduction studies involve 13 or more tests to check the speed and strength of signals traveling between your nerves and muscles. It helps diagnose conditions affecting nerves and muscles. The test involves small shocks and may cause minor discomfort.

124 services95 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.

73 services73 patients

Measurement of brain wave activity (eeg), awake and drowsy 95816

Measurement of brain wave activity, also known as an EEG, is a non-invasive test that records electrical patterns in your brain. This procedure is done when you're awake and drowsy to understand how your brain functions during different states of consciousness.

65 services65 patients

Electronic analysis of implanted neurostimulator generator with complex cranial nerve stimulator programming 95977

This procedure involves using electronic systems to evaluate and adjust an implanted neurostimulator generator. This device aids in controlling nerve activity in the brain, helping manage conditions like epilepsy or chronic pain. It's a non-invasive process that ensures optimal device performance.

52 services12 patients

Measurement of brain wave activity (eeg), awake and drowsy 95816

50 services49 patients

Measurement of brain wave activity (eeg), awake and asleep 95819

The measurement of brain wave activity, known as an EEG, records the brain's electrical signals. It's performed when you're awake and asleep to monitor your brain's functioning. It helps in diagnosing conditions like epilepsy, sleep disorders, and other neurological issues.

28 services26 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.

75/100

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

Individually scored

Reported Quality Measures

Dementia: Safety Concerns Screening and Mitigation Recommendations or Referral for Patients with Dementia

Percentage of patients with dementia or their caregiver(s) for whom there was a documented safety concerns screening * in two domains of risk: 1) dangerousness to self or others and 2) environmental risks; and if safety concerns screening was positive in the…

98%82 patients4/55-star benchmark: 100%

Documentation of Current Medications in the Medical Record

Percentage of visits for patients aged 18 years and older for which the eligible professional or eligible clinician attests to documenting a list of current medications using all immediate resources available on the date of the encounter.

100%83 patients5/55-star benchmark: 100%

e-Prescribing

At least one permissible prescription written by the MIPS eligible clinician is queried for a drug formulary and transmitted electronically using certified EHR technology.

88%5,500 patients4/55-star benchmark: 100%

Parkinson's Disease: Cognitive Impairment or Dysfunction Assessment

Percentage of all patients with a diagnosis of Parkinson's Disease [PD] who were assessed* for cognitive impairment or dysfunction in the past 12 months

100%81 patients5/55-star benchmark: 100%

Parkinson's Disease: Psychiatric Symptoms Assessment for Patients with Parkinson's Disease

Percentage of all patients with a diagnosis of Parkinson's Disease [PD] who were assessed* for psychiatric symptoms** in the past 12 months

100%81 patients5/55-star benchmark: 100%

Parkinson's Disease: Rehabilitative Therapy Options

Percentage of all patients with a diagnosis of Parkinson's Disease (or caregiver(s), as appropriate) who had rehabilitative therapy options (e.g., physical, occupational, or speech therapy) discussed in the past 12 months

99%81 patients4/55-star benchmark: 100%

Patient-Specific Education

The MIPS eligible clinician must use clinically relevant information from certified EHR technology to identify patient-specific educational resources and provide electronic access to those materials to at least one unique patient seen by the MIPS eligible…

25%1,974 patients2/55-star benchmark: 100%

Provide Patient Access

For at least one unique patient seen by the MIPS eligible clinician: (1) The patient (or the patient authorized representative) is provided timely access to view online, download, and transmit his or her health information; and (2) The MIPS eligible clinician…

11%1,974 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.

Referred Medical Equipment & Supplies CMS DME claims 6

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

Tubing with integrated heating element for use with positive airway pressure device A4604