Doctor profile · Federal record

Dr. Christopher Hupfeld, M.D.

Endocrinology, Diabetes & Metabolism Physician (CMS: Endocrinology) · Internal Medicine Physician · Oceanside, CA

  • NPI 1568429165
  • Accepts Medicare
  • 30 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3300 Vista Way, Ste B
Oceanside, CA 920563752
(760) 967-9569

Credentials & registration

NPPES · NUCC
NPI registered
April 2006 — 20 yrs on file
Profile last updated
February 3, 2009
Year of graduation
1996 — 30 yrs since
Specialty taxonomy
207RE0101X — NUCC code
State license (1)
California #A064102
Medicaid
CA #00A641020

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1568429165. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
461
Distinct HCPCS
5
Medicare allowed
$54,917
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 265 210 $116
99204 New patient office or other outpatient visit, 45-59 minutes 123 123 $162
99451 Telephone, internet, or electronic health record assessment and management with written report by consulting physician, at least 5 minutes 34 34 $37
95251 Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report 23 19 $36
76536 Ultrasound scan of head and neck soft tissue 16 14 $128

In context: peer comparison

Among 2 peers in Oceanside Endocrinology, Diabetes & Metabolism Physician, average services per provider: 85. This provider delivers 5.4× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,001
Patients
294
Total drug cost
$305,272
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 283 83 $6,339
Alendronate Sodium Generic 121 43 $1,722
Metformin Hcl Generic 77 26 $1,227
Hydrocortisone Generic 66 18 $4,515
Synthroid (Levothyroxine Sodium) Brand 63 15 $6,848
Trulicity (Dulaglutide) Brand 61 14 $69,621
Lantus Solostar (Insulin Glargine,Hum.Rec.Anlog) Brand 54 23 $40,938
Jardiance (Empagliflozin) Brand 44 15 $64,270
Metformin Hcl ER (Metformin Hcl) Brand 44 17 $1,159
Ozempic (Semaglutide) Brand 43 15 $53,425

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Christopher Hupfeld's medical specialty?
Dr. Christopher Hupfeld practices Endocrinology, Diabetes & Metabolism Physician in Oceanside, CA.
Where does Dr. Christopher Hupfeld practice?
Dr. Christopher Hupfeld practices at 3300 Vista Way, Oceanside, CA 920563752. Office phone: 7609679569.
What is Dr. Christopher Hupfeld's NPI?
Dr. Christopher Hupfeld's National Provider Identifier (NPI) is 1568429165, issued by NPPES.
Does Dr. Christopher Hupfeld accept Medicare assignment?
Yes. Dr. Christopher Hupfeld accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Christopher Hupfeld commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99204); Telephone, internet, or electronic health record assessment and management with written report by consulting physician (HCPCS 99451). Source: CMS Medicare Physician & Other Practitioners file.