Doctor profile · Federal record

Dr. Ramu Thiagarajan, M.D.

Neurology Physician (CMS: Neurology) · Porterville, CA

  • NPI 1841203783
  • Accepts Medicare
  • MIPS 75.0 / 100 · 2023
  • 31 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
382 North Pearson Drive
Porterville, CA 932573368
(559) 783-0100
fax (559) 783-0200
Additional location
591 W Putnam Ave
Porterville, CA 932573260
(559) 784-5717
fax (559) 784-2443
Mailing address
382 N. Pearson Dr.
Porterville, CA 932573368

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
March 27, 2024
Year of graduation
1995 — 31 yrs since
Specialty taxonomy
2084N0400X — NUCC code
State license (1)
California #A95502
Medicaid
CA #00A955020

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1841203783. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
5,137
Distinct HCPCS
10
Medicare allowed
$550,424
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 1,644 509 $87
99214 Established patient office or other outpatient visit, 30-39 minutes 1,361 385 $125
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 565 168 $79
95886 Needle measurement of electrical activity in arm or leg muscles, complete study 260 101 $102
96372 Injection of drug or substance under skin or into muscle 256 34 $15
J3420 Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg 248 29 $2
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 191 178 $173
99203 New patient office or other outpatient visit, 30-44 minutes 148 148 $113
95913 Nerve conduction, 13 or more studies 131 102 $294
95816 Measurement of brain wave activity (eeg), awake and drowsy 96 96 $408

In context: peer comparison

Among 1 peers in Porterville Neurology Physician, average services per provider: 366. This provider delivers 14× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,445
Transactions
86
Manufacturers
9
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 36 $706.04
Sk Life Science, INC. 5 $239.38
Teva Pharmaceuticals USA, INC. 14 $209.93
Acadia Pharmaceuticals INC 25 $186.72
Argenx US, INC. 2 $42.23
Biogen, INC. 1 $17.66
Neuropace, INC. 1 $15.32
Lilly USA, LLC 1 $13.98
Neurelis, INC. 1 $13.48

By nature of payment

Food and Beverage
$1,445

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
7,184
Patients
1,578
Total drug cost
$602,720
Drug Type Claims Patients Total cost
Memantine Hcl Generic 1,131 263 $38,016
Gabapentin Generic 872 228 $14,916
Levetiracetam Generic 792 144 $43,566
Duloxetine Hcl Generic 589 156 $16,673
Donepezil Hcl Generic 568 153 $10,897
Carbidopa-Levodopa (Carbidopa/Levodopa) Brand 423 109 $11,277
Pregabalin Generic 421 101 $14,093
Quetiapine Fumarate Generic 409 75 $14,624
Mirtazapine Generic 399 91 $6,814
Sertraline Hcl Generic 377 84 $2,759

Frequently asked questions

Auto-generated from federal data
What is Dr. Ramu Thiagarajan's medical specialty?
Dr. Ramu Thiagarajan practices Neurology Physician in Porterville, CA.
Where does Dr. Ramu Thiagarajan practice?
Dr. Ramu Thiagarajan practices at 382 North Pearson Drive, Porterville, CA 932573368. Office phone: 5597830100.
What is Dr. Ramu Thiagarajan's NPI?
Dr. Ramu Thiagarajan's National Provider Identifier (NPI) is 1841203783, issued by NPPES.
Does Dr. Ramu Thiagarajan accept Medicare assignment?
Yes. Dr. Ramu Thiagarajan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ramu Thiagarajan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.