Diane Wintz, MD
NPI 1164721932 · Surgery Physician · San Diego, CA
Enrolled with Medicare as Practitioner - Critical Care (intensivists) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Diane Wintz, MD is a Surgery Physician provider in San Diego, CA (NPI 1164721932).
Provider details
- NPI number
- 1164721932
- Entity type
- Individual
- Primary specialty
- Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 138581 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
15 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
270 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 94 | $80 |
| Critical Care, First 30-74 Minutes99291 | 68 | $213 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 34 | $83 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 29 | $133 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 28 | $120 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 17 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$4,146 across 9 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2011-03-19
- Last updated
- 2024-03-08
- Certified
- 2024-03-08
Frequently asked questions
- What is Diane Wintz's NPI number?
- Diane Wintz's National Provider Identifier (NPI) is 1164721932, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diane Wintz's specialty?
- Diane Wintz is listed in the NPPES registry with a primary specialty of Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Diane Wintz located?
- Diane Wintz's practice location on file with NPPES is 7930 Frost St Ste 204, San Diego, CA 92123-2739.
- What is Diane Wintz's phone number?
- The practice phone number listed in the NPPES registry for Diane Wintz is (858) 939-3200.
- Does Diane Wintz accept Medicare?
- Diane Wintz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Diane Wintz's NPI active?
- Yes — Diane Wintz's NPI (1164721932) is active in the NPPES registry as of the last update on 2024-03-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.