Doctor profile · Federal record

Dr. Twinkle Chandak

Critical Care Medicine (Internal Medicine) Physician (CMS: Pulmonary Disease) · Critical Care Medicine (Internal Medicine) Physician · Pulmonary Disease Physician · Duarte, CA

  • NPI 1790003929
  • Accepts Medicare
  • MIPS 91.9 / 100 · 2023
  • 23 yrs in practice
  • Licensed in 2 states
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1500 Duarte RD
Duarte, CA 910103012
(626) 256-4673
fax (626) 408-3911
Mailing address
Po Box 512185
Los Angeles, CA 900510185

Credentials & registration

NPPES · NUCC
NPI registered
May 2010 — 16 yrs on file
Profile last updated
September 3, 2024
Year of graduation
2003 — 23 yrs since
Specialty taxonomy
207RC0200X — NUCC code
State licenses (2)
California #C154754 · Massachusetts #243596
Medicaid
MA #110089110A

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1790003929. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
619
Distinct HCPCS
10
Medicare allowed
$79,626
HCPCS Description Services Patients Avg allowed
99291 Critical care, first 30-74 minutes 156 58 $218
99215 Established patient office or other outpatient visit, 40-54 minutes 57 43 $179
99215 Established patient office or other outpatient visit, 40-54 minutes 56 51 $149
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 54 38 $82
99214 Established patient office or other outpatient visit, 30-39 minutes 48 39 $103
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 41 40 $134
94060 Test to measure expiratory airflow and volume changes before and after medication administration 36 36 $10
94729 Test to examine how well the lungs exchange gases 32 32 $9
94618 Test for exercise-induced lung stress 28 28 $22
99214 Established patient office or other outpatient visit, 30-39 minutes 23 23 $116

In context: peer comparison

Among 4 peers in this city , average services per provider: 67. This provider delivers 9.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$2,411
Transactions
8
Manufacturers
6
Payer (manufacturer) Industry Txns Amount
GENZYME CORPORATION 1 $1,836.00
Inari Medical, Inc. 2 $243.86
Mallinckrodt Hospital Products Inc. 1 $144.00
United Therapeutics Corporation 1 $87.82
Boehringer Ingelheim Pharmaceuticals, Inc. 1 $54.75
Merck Sharp & Dohme LLC 2 $44.15

By nature of payment

Consulting Fee
$1,836
Food and Beverage
$575

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
297
Patients
77
Total drug cost
$117,902
Drug Type Claims Patients Total cost
Trelegy Ellipta (Fluticasone/Umeclidin/Vilanter) Brand 56 15 $42,244
Symbicort (Budesonide/Formoterol Fumarate) Brand 38 16 $17,297
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 37 27 $1,295
Anoro Ellipta (Umeclidinium Brm/Vilanterol Tr) Brand 35 0 $18,112
Incruse Ellipta (Umeclidinium Bromide) Brand 29 0 $10,977
Azithromycin Generic 23 19 $204
Montelukast Sodium Generic 22 0 $237
Ventolin Hfa (Albuterol Sulfate) Brand 16 0 $942
Breo Ellipta (Fluticasone/Vilanterol) Brand 15 0 $6,405
Spiriva Handihaler (Tiotropium Bromide) Brand 15 0 $8,335

Frequently asked questions

Auto-generated from federal data
What is Dr. Twinkle Chandak's medical specialty?
Dr. Twinkle Chandak practices Critical Care Medicine (Internal Medicine) Physician in Duarte, CA.
Where does Dr. Twinkle Chandak practice?
Dr. Twinkle Chandak practices at 1500 Duarte RD, Duarte, CA 910103012. Office phone: 6262564673.
What is Dr. Twinkle Chandak's NPI?
Dr. Twinkle Chandak's National Provider Identifier (NPI) is 1790003929, issued by NPPES.
Does Dr. Twinkle Chandak accept Medicare assignment?
Yes. Dr. Twinkle Chandak accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Twinkle Chandak commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291); Established patient office or other outpatient visit (HCPCS 99215); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.