Doctor profile · Federal record

Dr. Andrew Hsing, M.D.

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

  • NPI 1790769131
  • Accepts Medicare
  • 23 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 4 locations .

NPPES Updated May 11, 2026
Primary practice
320 Santa Fe Dr Ste 107-C
Encinitas, CA 920245138
(760) 230-8994
Additional location
354 Santa Fe Drive
Encinitas, CA 920249907
(760) 230-9664
Additional location
6010 Hidden Valley Road 200
Carlsbad, CA 920119907
(760) 631-3000
Show 1 more location
Additional location
2200 Bergquist Dr, Suite 1
Lackland A F B, TX 782369907
(210) 292-5235

Credentials & registration

NPPES · NUCC
NPI registered
November 2005 — 21 yrs on file
Profile last updated
March 17, 2018
Year of graduation
2003 — 23 yrs since
Specialty taxonomy
207RP1001X — NUCC code
State license (1)
California #A127271

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1790769131. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,195
Distinct HCPCS
9
Medicare allowed
$168,133
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 628 366 $137
99215 Established patient office or other outpatient visit, 40-54 minutes 165 133 $191
99213 Established patient office or other outpatient visit, 20-29 minutes 146 120 $97
99204 New patient office or other outpatient visit, 45-59 minutes 113 113 $175
G0399 Home sleep test (hst) with type iii portable monitor, unattended; minimum of 4 channels: 2 respiratory movement/airflow, 1 ecg/heart rate and 1 oxygen saturation 53 52 $102
99205 New patient office or other outpatient visit, 60-74 minutes 36 36 $233
94060 Test to measure expiratory airflow and volume changes before and after medication administration 18 18 $44
94726 Test to determine lung volumes using sensors 18 18 $62
94729 Test to examine how well the lungs exchange gases 18 18 $65

In context: peer comparison

Among 3 peers in Encinitas Pulmonary Disease Physician, average services per provider: 133. This provider delivers 9.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$2,697
Transactions
89
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Inspire Medical Systems, INC. 3 $524.38
GlaxoSmithKline, LLC. 17 $308.06
Harmony Biosciences LLC 11 $300.03
Actelion Pharmaceuticals US, INC. 13 $297.36
Regeneron Healthcare Solutions, INC. 8 $283.69
Harmony Biosciences LLC 5 $169.56
Boehringer Ingelheim Pharmaceuticals, INC. 8 $154.10
Amgen INC. 4 $115.09
Genzyme Corporation 5 $97.18
AstraZeneca Pharmaceuticals Lp 4 $76.67
Merck Sharp & Dohme LLC 2 $61.69
Philips North America LLC 2 $43.13
Electromed, INC. 3 $43.10
Jazz Pharmaceuticals INC. 2 $37.87
Insmed, INC. 2 $35.77

By nature of payment

Food and Beverage
$2,528
Education
$169

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
591
Patients
130
Total drug cost
$205,211
Drug Type Claims Patients Total cost
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 102 40 $4,341
Trelegy Ellipta (Fluticasone/Umeclidin/Vilanter) Brand 58 14 $48,158
Montelukast Sodium Generic 55 18 $982
Spiriva Respimat (Tiotropium Bromide) Brand 52 12 $38,346
Fluticasone Propionate Generic 49 16 $1,025
Anoro Ellipta (Umeclidinium Brm/Vilanterol Tr) Brand 42 0 $26,046
Prednisone Generic 42 30 $170
Eliquis (Apixaban) Brand 36 0 $27,372
Fluticasone-Salmeterol (Fluticasone Propion/Salmeterol) Brand 33 0 $9,313
Breo Ellipta (Fluticasone/Vilanterol) Brand 25 0 $15,327

Frequently asked questions

Auto-generated from federal data
What is Dr. Andrew Hsing's medical specialty?
Dr. Andrew Hsing practices Pulmonary Disease Physician in Encinitas, CA.
Where does Dr. Andrew Hsing practice?
Dr. Andrew Hsing practices at 320 Santa Fe Dr Ste 107-C, Encinitas, CA 920245138. Office phone: 7602308994.
What is Dr. Andrew Hsing's NPI?
Dr. Andrew Hsing's National Provider Identifier (NPI) is 1790769131, issued by NPPES.
Does Dr. Andrew Hsing accept Medicare assignment?
Yes. Dr. Andrew Hsing accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Andrew Hsing commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99215); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.