Cristina Gesmundo, DO
NPI 1659807154 · Family Medicine Physician · Castro Valley, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Cristina Gesmundo, DO is a Family Medicine Physician provider in Castro Valley, CA (NPI 1659807154).
Provider details
- NPI number
- 1659807154
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Female
- Sole proprietor
- No
- License
- 20A17198 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
9 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
1,230 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 | 389 | $19 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 354 | $153 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 206 | $110 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 114 | $153 |
| Physician Or Allowed Practitioner Certification for Medicare-Covered Home Health Services Under a Home Health Plan of Care (patient Not Present), Including Contacts With Home Health Agency and Review of Reports of Patient Status Required By Physicians andG0180 | 46 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 58 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 196 | 78 |
| Atorvastatin Calcium | 196 | 91 |
| Levothyroxine Sodium | 126 | 52 |
| Losartan Potassium | 112 | 48 |
| Lisinopril | 75 | 41 |
| Omeprazole | 66 | 23 |
| Gabapentin |
Practice location
Mailing address
Additional practice locations (1)
- 20126 Stanton Ave Ste 201Castro Valley, CA 94546-5270Phone: (510) 581-2559
Registry dates
- Enumerated
- 2017-05-04
- Last updated
- 2024-04-29
- Certified
- 2024-04-29
Frequently asked questions
- What is Cristina Gesmundo's NPI number?
- Cristina Gesmundo's National Provider Identifier (NPI) is 1659807154, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Cristina Gesmundo's specialty?
- Cristina Gesmundo is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Cristina Gesmundo located?
- Cristina Gesmundo's practice location on file with NPPES is 20642 John Dr, Castro Valley, CA 94546-5103.
- What is Cristina Gesmundo's phone number?
- The practice phone number listed in the NPPES registry for Cristina Gesmundo is (510) 581-2259.
- Does Cristina Gesmundo accept Medicare?
- Cristina Gesmundo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Cristina Gesmundo's NPI active?
- Yes — Cristina Gesmundo's NPI (1659807154) is active in the NPPES registry as of the last update on 2024-04-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.