Doctor profile · Federal record

Dr. Lorin Kreitzer, DO

Hospitalist Physician (CMS: Internal Medicine) · Redwood City, CA

  • NPI 1851479497
  • Accepts Medicare
  • 24 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1150 Veterans Blvd
Redwood City, CA 940632037
(650) 299-2000
Mailing address
1800 Harrison St Fl 7
Oakland, CA 946123466

Credentials & registration

NPPES · NUCC
NPI registered
November 2006 — 20 yrs on file
Profile last updated
December 13, 2021
Year of graduation
2002 — 24 yrs since
Specialty taxonomy
208M00000X — NUCC code
State license (1)
California #20A8855
Medicaid
CA #00AX88550

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1851479497. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
37
Distinct HCPCS
2
Medicare allowed
$3,306
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 23 12 $88
99238 Hospital discharge day management, 30 minutes or less 14 14 $92

In context: peer comparison

Among 5 peers in this city , average services per provider: 64. This provider delivers 0.6× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
202
Patients
185
Total drug cost
$2,845
Drug Type Claims Patients Total cost
Furosemide Generic 32 20 $407
Prednisone Generic 25 23 $348
Doxycycline Monohydrate Generic 21 21 $183
Levofloxacin Generic 19 19 $141
Cefpodoxime Proxetil Generic 17 17 $376
Ciprofloxacin Hcl Generic 17 16 $143
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 16 16 $271
Pantoprazole Sodium Generic 15 13 $203
Atropine Sulfate Generic 14 14 $476
Haloperidol Lactate Generic 13 13 $175

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Lorin Kreitzer's medical specialty?
Dr. Lorin Kreitzer practices Hospitalist Physician in Redwood City, CA.
Where does Dr. Lorin Kreitzer practice?
Dr. Lorin Kreitzer practices at 1150 Veterans Blvd, Redwood City, CA 940632037. Office phone: 6502992000.
What is Dr. Lorin Kreitzer's NPI?
Dr. Lorin Kreitzer's National Provider Identifier (NPI) is 1851479497, issued by NPPES.
Does Dr. Lorin Kreitzer accept Medicare assignment?
Yes. Dr. Lorin Kreitzer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Lorin Kreitzer commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99238). Source: CMS Medicare Physician & Other Practitioners file.