Jennifer Casey
NPI 1750524575 · Endocrinology, Diabetes & Metabolism Physician · Castro Valley, CA
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jennifer Casey is a Endocrinology, Diabetes & Metabolism Physician provider in Castro Valley, CA (NPI 1750524575).
Provider details
- NPI number
- 1750524575
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Sex
- Female
- Sole proprietor
- No
- License
- 036141322 (IL)
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
17 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
715 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) |
|---|---|---|
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 222 | $19 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 201 | $153 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 100 | $87 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 70 | $132 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 34 | $192 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 18 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Semaglutidebrand: Ozempic | 109 | 21 |
| Levothyroxine Sodium | 102 | 20 |
| Tirzepatidebrand: Mounjaro | 63 | — |
| Alendronate Sodium | 43 | 16 |
| Atorvastatin Calcium | 38 | 11 |
| Empagliflozinbrand: Jardiance | 37 | — |
Practice location
Mailing address
Additional practice locations (1)
- 1044 N Mozart StSuite 100Chicago, IL 60622-2789Phone: (773) 292-8247Fax: (773) 278-3899
Registry dates
- Enumerated
- 2009-04-08
- Last updated
- 2023-11-21
- Certified
- 2022-12-22
Frequently asked questions
- What is Jennifer Casey's NPI number?
- Jennifer Casey's National Provider Identifier (NPI) is 1750524575, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jennifer Casey's specialty?
- Jennifer Casey is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Jennifer Casey located?
- Jennifer Casey's practice location on file with NPPES is 20101 Lake Chabot Rd, Castro Valley, CA 94546-5305.
- What is Jennifer Casey's phone number?
- The practice phone number listed in the NPPES registry for Jennifer Casey is (510) 204-1844.
- Does Jennifer Casey accept Medicare?
- Jennifer Casey is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jennifer Casey's NPI active?
- Yes — Jennifer Casey's NPI (1750524575) is active in the NPPES registry as of the last update on 2023-11-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.