Lori Wynstock, M.D.
NPI 1194764589 · Internal Medicine Physician · Pasadena, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lori Wynstock, M.D. is a Internal Medicine Physician provider in Pasadena, CA (NPI 1194764589).
Provider details
- NPI number
- 1194764589
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- A63397 (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
20 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
1,313 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 516 | $98 |
| Administration of Influenza Virus VaccineG0008 | 203 | $35 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 141 | $16 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 90 | $139 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 73 | $138 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 156 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 432 | 103 |
| Amlodipine Besylate | 364 | 83 |
| Levothyroxine Sodium | 313 | 70 |
| Metoprolol Succinate | 237 | 51 |
| Rosuvastatin Calcium | 226 | 54 |
| Losartan Potassium | 225 | 50 |
| Apixaban |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,664 across 71 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
- 2006-06-04
- Last updated
- 2017-03-31
Frequently asked questions
- What is Lori Wynstock's NPI number?
- Lori Wynstock's National Provider Identifier (NPI) is 1194764589, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lori Wynstock's specialty?
- Lori Wynstock is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Lori Wynstock located?
- Lori Wynstock's practice location on file with NPPES is 950 S Arroyo Pkwy, Pasadena, CA 91105-3930.
- What is Lori Wynstock's phone number?
- The practice phone number listed in the NPPES registry for Lori Wynstock is (626) 793-6113.
- Does Lori Wynstock accept Medicare?
- Lori Wynstock is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Lori Wynstock's NPI active?
- Yes — Lori Wynstock's NPI (1194764589) is active in the NPPES registry as of the last update on 2017-03-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.