Allan Sosin, MD
NPI 1598789299 · Internal Medicine Physician · Irvine, CA
Allan Sosin, MD is a Internal Medicine Physician provider in Irvine, CA (NPI 1598789299).
Provider details
- NPI number
- 1598789299
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G21912 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 · 37 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Losartan Potassium | 58 | 15 |
| Levothyroxine Sodium | 58 | 22 |
| Amlodipine Besylate | 53 | 16 |
| Progesterone, Micronizedbrand: Progesterone | 53 | 14 |
| Atorvastatin Calcium | 38 | — |
| Tamsulosin Hcl | 35 | 13 |
| Thyroid,pork |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-26
- Last updated
- 2007-07-08
Frequently asked questions
- What is Allan Sosin's NPI number?
- Allan Sosin's National Provider Identifier (NPI) is 1598789299, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Allan Sosin's specialty?
- Allan Sosin is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Allan Sosin located?
- Allan Sosin's practice location on file with NPPES is 4 Hughes Ste 175, Irvine, CA 92618-2045.
- What is Allan Sosin's phone number?
- The practice phone number listed in the NPPES registry for Allan Sosin is (949) 600-5100.
- Is Allan Sosin's NPI active?
- Yes — Allan Sosin's NPI (1598789299) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.