Christopher Hupfeld, M.D.
NPI 1568429165 · Endocrinology, Diabetes & Metabolism Physician · Oceanside, CA
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christopher Hupfeld, M.D. is a Endocrinology, Diabetes & Metabolism Physician provider in Oceanside, CA (NPI 1568429165).
Provider details
- NPI number
- 1568429165
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- A064102 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
496 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 294 | $137 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 141 | $177 |
| Telephone, Internet, Or Electronic Health Record Assessment and Management With Written Report By Consulting Physician, at Least 5 Minutes99451 | 27 | $36 |
| Continuous Monitoring of Blood Sugar Level in Tissue Fluid Using Sensor Under Skin With Interpretation and Report95251 | 18 | $36 |
| Ultrasound Scan of Head and Neck Soft Tissue76536 | 16 | $119 |
Typical Medicare-allowed amounts for these services range $36–$177 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 37 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 338 | 96 |
| Alendronate Sodium | 141 | 52 |
| Semaglutidebrand: Ozempic | 130 | 27 |
| Metformin Hclbrand: Metformin Hcl Er | 75 | 21 |
| Hydrocortisone | 62 | 22 |
| Levothyroxine Sodiumbrand: Synthroid | 62 | 19 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-04-27
- Last updated
- 2009-02-03
Frequently asked questions
- What is Christopher Hupfeld's NPI number?
- Christopher Hupfeld's National Provider Identifier (NPI) is 1568429165, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christopher Hupfeld's specialty?
- Christopher Hupfeld is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Christopher Hupfeld located?
- Christopher Hupfeld's practice location on file with NPPES is 3300 Vista Way, Oceanside, CA 92056-3752.
- What is Christopher Hupfeld's phone number?
- The practice phone number listed in the NPPES registry for Christopher Hupfeld is (760) 967-9569.
- Does Christopher Hupfeld accept Medicare?
- Christopher Hupfeld is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Christopher Hupfeld's NPI active?
- Yes — Christopher Hupfeld's NPI (1568429165) is active in the NPPES registry as of the last update on 2009-02-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.