Douglas Gardner, MD
NPI 1770650798 · Gastroenterology Physician · Los Angeles, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Douglas Gardner, MD is a Gastroenterology Physician provider in Los Angeles, CA (NPI 1770650798).
Provider details
- NPI number
- 1770650798
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G61113 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
19 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 285 | 135 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-C | 125 | 107 |
| Famotidine | 108 | 54 |
| Pantoprazole Sodium | 72 | 36 |
| Lubiprostone | 58 | 23 |
| Mesalamine | 58 | 19 |
| Syringe and Needle,insulin,1mlbrand: Veo Insulin Syringe | 43 | 21 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$60 across 2 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
- 2006-11-29
- Last updated
- 2021-11-29
Frequently asked questions
- What is Douglas Gardner's NPI number?
- Douglas Gardner's National Provider Identifier (NPI) is 1770650798, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Douglas Gardner's specialty?
- Douglas Gardner is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Douglas Gardner located?
- Douglas Gardner's practice location on file with NPPES is 6041 Cadillac Ave, Los Angeles, CA 90034-1702.
- What is Douglas Gardner's phone number?
- The practice phone number listed in the NPPES registry for Douglas Gardner is (323) 857-2000.
- Does Douglas Gardner accept Medicare?
- Douglas Gardner is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Douglas Gardner's NPI active?
- Yes — Douglas Gardner's NPI (1770650798) is active in the NPPES registry as of the last update on 2021-11-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.