Doctor profile · Federal record

Dr. Nalini Singh, M.D.

Endocrinology, Diabetes & Metabolism Physician (CMS: Endocrinology) · San Dimas, CA

  • NPI 1619070539
  • Accepts Medicare
  • 31 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1334 W Covina Blvd Ste 202
San Dimas, CA 917733211
(909) 592-2023

Credentials & registration

NPPES · NUCC
NPI registered
September 2006 — 20 yrs on file
Profile last updated
September 21, 2021
Year of graduation
1995 — 31 yrs since
Specialty taxonomy
207RE0101X — NUCC code
State license (1)
California #A61430

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1619070539. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
212
Distinct HCPCS
5
Medicare allowed
$32,070
HCPCS Description Services Patients Avg allowed
99215 Established patient office or other outpatient visit, 40-54 minutes 82 50 $194
99214 Established patient office or other outpatient visit, 30-39 minutes 65 44 $139
95251 Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report 36 19 $36
99204 New patient office or other outpatient visit, 45-59 minutes 18 18 $180
99205 New patient office or other outpatient visit, 60-74 minutes 11 11 $237

In context: peer comparison

Among 3 peers in this city , average services per provider: 234. This provider delivers 0.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$85
Transactions
4
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Abbott Laboratories 2 $37.98
Medtronic, Inc. 1 $25.87
Novo Nordisk Inc 1 $21.09

By nature of payment

Food and Beverage
$85

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
784
Patients
213
Total drug cost
$371,727
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 150 39 $2,607
Trulicity (Dulaglutide) Brand 88 17 $132,948
Metformin Hcl Er (Metformin Hcl) Brand 59 19 $941
Nano 2nd Gen Pen Needle (Pen Needle, Diabetic) Brand 55 26 $7,548
Humalog Kwikpen U-100 (Insulin Lispro) Brand 51 14 $60,370
Lantus Solostar (Insulin Glargine,hum.Rec.Anlog) Brand 50 18 $37,148
Rosuvastatin Calcium Generic 48 17 $1,877
Losartan Potassium Generic 43 12 $575
Metformin Hcl Generic 43 14 $283
Januvia (Sitagliptin Phosphate) Brand 38 0 $39,635

Frequently asked questions

Auto-generated from federal data
What is Dr. Nalini Singh's medical specialty?
Dr. Nalini Singh practices Endocrinology, Diabetes & Metabolism Physician in San Dimas, CA.
Where does Dr. Nalini Singh practice?
Dr. Nalini Singh practices at 1334 W Covina Blvd Ste 202, San Dimas, CA 917733211. Office phone: 9095922023.
What is Dr. Nalini Singh's NPI?
Dr. Nalini Singh's National Provider Identifier (NPI) is 1619070539, issued by NPPES.
Does Dr. Nalini Singh accept Medicare assignment?
Yes. Dr. Nalini Singh accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nalini Singh commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Established patient office or other outpatient visit (HCPCS 99214); Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report (HCPCS 95251). Source: CMS Medicare Physician & Other Practitioners file.