Doctor profile · Federal record

Dr. Caroline Schreiber, M.D.

Family Medicine Physician (CMS: Family Practice) · Oakland, CA

  • NPI 1972617637
  • Accepts Medicare
  • 23 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
3318 Elm St Ste 1
Oakland, CA 94609
(510) 985-3620
fax (510) 985-3622
Additional location
100 Hospital Drive, Suite 304
Vallejo, CA 945890000
(707) 643-6483
fax (707) 643-3018
Additional location
3100 San Pablo Ave # 310
Berkeley, CA 947022498
(925) 985-5020
Mailing address
1450 Treat Blvd Ste 300
Walnut Creek, CA 945972168

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
May 23, 2018
Year of graduation
2003 — 23 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
California #A88848
Medicaid
CA #00A888480

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1972617637. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
673
Distinct HCPCS
8
Medicare allowed
$56,897
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 215 146 $98
99213 Established patient office or other outpatient visit, 20-29 minutes 178 129 $82
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 131 131 $45
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 34 34 $282
G0009 Administration of pneumococcal vaccine 34 34 $36
G0008 Administration of influenza virus vaccine 32 31 $36
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage 29 29 $76
99212 Established patient office or other outpatient visit, 10-19 minutes 20 20 $63

In context: peer comparison

Among 24 peers in Oakland Family Medicine Physician, average services per provider: 77. This provider delivers 8.7× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,341
Patients
446
Total drug cost
$20,248
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 264 80 $3,389
Levothyroxine Sodium Generic 149 48 $2,882
Amlodipine Besylate Generic 138 43 $1,406
Lisinopril Generic 102 36 $1,068
Alendronate Sodium Generic 84 23 $1,038
Escitalopram Oxalate Generic 83 23 $1,157
Hydrochlorothiazide Generic 82 25 $387
Losartan Potassium Generic 80 30 $1,438
Omeprazole Generic 60 19 $1,427
Gabapentin Generic 56 30 $802

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Caroline Schreiber's medical specialty?
Dr. Caroline Schreiber practices Family Medicine Physician in Oakland, CA.
Where does Dr. Caroline Schreiber practice?
Dr. Caroline Schreiber practices at 3318 Elm St Ste 1, Oakland, CA 94609. Office phone: 5109853620.
What is Dr. Caroline Schreiber's NPI?
Dr. Caroline Schreiber's National Provider Identifier (NPI) is 1972617637, issued by NPPES.
Does Dr. Caroline Schreiber accept Medicare assignment?
Yes. Dr. Caroline Schreiber accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Caroline Schreiber 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 99213); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.