Joseph Dellinger, MD
NPI 1740691377 · Internal Medicine Physician · Pasadena, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joseph Dellinger, MD is a Internal Medicine Physician provider in Pasadena, CA (NPI 1740691377).
Provider details
- NPI number
- 1740691377
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A136886 (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
12 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
692 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 | 332 | $81 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 80 | $101 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 79 | $119 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 72 | $51 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 71 | $179 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$17,057 across 20 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
- 2014-05-16
- Last updated
- 2021-06-24
- Certified
- 2021-06-24
Frequently asked questions
- What is Joseph Dellinger's NPI number?
- Joseph Dellinger's National Provider Identifier (NPI) is 1740691377, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joseph Dellinger's specialty?
- Joseph Dellinger is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Joseph Dellinger located?
- Joseph Dellinger's practice location on file with NPPES is 100 W California Blvd, Pasadena, CA 91105-3010.
- What is Joseph Dellinger's phone number?
- The practice phone number listed in the NPPES registry for Joseph Dellinger is (626) 397-5000.
- Does Joseph Dellinger accept Medicare?
- Joseph Dellinger is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joseph Dellinger's NPI active?
- Yes — Joseph Dellinger's NPI (1740691377) is active in the NPPES registry as of the last update on 2021-06-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.