Christopher Sosa
NPI 1851953400 · Medical Physician Assistant · Granada Hills, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christopher Sosa is a Medical Physician Assistant provider in Granada Hills, CA (NPI 1851953400).
Provider details
- NPI number
- 1851953400
- Entity type
- Individual
- Primary specialty
- Medical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
6 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
566 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 155 | $116 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 127 | $95 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 91 | $153 |
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More99308 | 76 | $66 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 38 | $82 |
| Automated Urinalysis Test |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Cephalexin | 54 | 51 |
| Dexamethasone | 43 | 41 |
| Azithromycin | 39 | 38 |
| Amoxicillin | 35 | 35 |
| Fluticasone Propionate | 35 | 34 |
| Ofloxacin | 31 | 31 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 31 | 29 |
| Clindamycin Hcl | 17 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2019-07-03
- Last updated
- 2023-04-10
- Certified
- 2023-04-10
Frequently asked questions
- What is Christopher Sosa's NPI number?
- Christopher Sosa's National Provider Identifier (NPI) is 1851953400, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christopher Sosa's specialty?
- Christopher Sosa is listed in the NPPES registry with a primary specialty of Medical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Christopher Sosa located?
- Christopher Sosa's practice location on file with NPPES is 16912 San Fernando Mission Blvd, Granada Hills, CA 91344-4249.
- What is Christopher Sosa's phone number?
- The practice phone number listed in the NPPES registry for Christopher Sosa is (818) 488-6160.
- Does Christopher Sosa accept Medicare?
- Christopher Sosa is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Christopher Sosa's NPI active?
- Yes — Christopher Sosa's NPI (1851953400) is active in the NPPES registry as of the last update on 2023-04-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.