Doctor profile · Federal record

Dr. Ken Stern, M.D.

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

  • NPI 1427476514
  • Accepts Medicare
  • 12 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3300 Webster St Ste 1000
Oakland, CA 946093125
(510) 271-4400
fax (844) 852-1277

Credentials & registration

NPPES · NUCC
NPI registered
April 2014 — 12 yrs on file
Profile last updated
November 20, 2021
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
207RP1001X — NUCC code
State license (1)
California #A137706
Medicaid
CA #KS3232267556

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1427476514. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
644
Distinct HCPCS
10
Medicare allowed
$107,504
HCPCS Description Services Patients Avg allowed
99291 Critical care, first 30-74 minutes 274 140 $232
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 108 75 $132
99215 Established patient office or other outpatient visit, 40-54 minutes 51 34 $214
94729 Test to examine how well the lungs exchange gases 31 31 $10
99292 Critical care, each additional 30 minutes 29 19 $117
94726 Test to determine lung volumes using sensors 28 28 $13
94060 Test to measure expiratory airflow and volume changes before and after medication administration 23 23 $11
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 23 23 $193
31500 Emergent insertion of breathing tube into windpipe using an endoscope 19 19 $149
99214 Established patient office or other outpatient visit, 30-39 minutes 17 17 $153

In context: peer comparison

Among 4 peers in Oakland Pulmonary Disease Physician, average services per provider: 68. This provider delivers 9.5× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$60
Transactions
3
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Pulmonx Corporation 2 $37.73
Genzyme Corporation 1 $21.87

By nature of payment

Food and Beverage
$60

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
41
Patients
0
Total drug cost
$20,014
Drug Type Claims Patients Total cost
Anoro Ellipta (Umeclidinium Brm/Vilanterol Tr) Brand 16 0 $8,121
Trelegy Ellipta (Fluticasone/Umeclidin/Vilanter) Brand 13 0 $11,656
Montelukast Sodium Generic 12 0 $237

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Ken Stern's medical specialty?
Dr. Ken Stern practices Pulmonary Disease Physician in Oakland, CA.
Where does Dr. Ken Stern practice?
Dr. Ken Stern practices at 3300 Webster St Ste 1000, Oakland, CA 946093125. Office phone: 5102714400.
What is Dr. Ken Stern's NPI?
Dr. Ken Stern's National Provider Identifier (NPI) is 1427476514, issued by NPPES.
Does Dr. Ken Stern accept Medicare assignment?
Yes. Dr. Ken Stern accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ken Stern commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.