Dennis Delpaine, MD
NPI 1851452213 · Allergy & Immunology Physician · Stockton, CA
Enrolled with Medicare as Practitioner - Rheumatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Dennis Delpaine, MD is a Allergy & Immunology Physician provider in Stockton, CA (NPI 1851452213).
Provider details
- NPI number
- 1851452213
- Entity type
- Individual
- Primary specialty
- Allergy & Immunology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- G37345 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 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
6,877 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) |
|---|---|---|
| Professional Service for Preparation and Provision of 1 Or More Antigens95165 | 2,985 | $14 |
| Professional Service for Multiple Injections of Allergen95117 | 1,490 | $12 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 946 | $121 |
| Test for Allergy Using Allergenic Extract95004 | 552 | $3 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 252 | $14 |
| Infusion Into a Vein for Therapy, Prevention, Or Diagnosis, 1 Hour Or Less96365 | 136 | $61 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 67 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydroxychloroquine Sulfate | 1,016 | 243 |
| Prednisone | 849 | 234 |
| Methotrexate Sodiumbrand: Methotrexate | 607 | 145 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 291 | 40 |
| Mirtazapine | 209 | 80 |
| Gabapentin | 173 | 50 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,351 across 116 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
- 2006-12-12
- Last updated
- 2020-03-13
- Certified
- 2020-03-13
Frequently asked questions
- What is Dennis Delpaine's NPI number?
- Dennis Delpaine's National Provider Identifier (NPI) is 1851452213, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dennis Delpaine's specialty?
- Dennis Delpaine is listed in the NPPES registry with a primary specialty of Allergy & Immunology Physician (Allopathic & Osteopathic Physicians).
- Where is Dennis Delpaine located?
- Dennis Delpaine's practice location on file with NPPES is 5309 Carrington Circle, Stockton, CA 95210-3516.
- What is Dennis Delpaine's phone number?
- The practice phone number listed in the NPPES registry for Dennis Delpaine is (209) 951-4100.
- Does Dennis Delpaine accept Medicare?
- Dennis Delpaine is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Dennis Delpaine's NPI active?
- Yes — Dennis Delpaine's NPI (1851452213) is active in the NPPES registry as of the last update on 2020-03-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.