Jennifer Majarian, MPA-C
NPI 1144403684 · Surgical Physician Assistant · Oakland, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jennifer Majarian, MPA-C is a Surgical Physician Assistant provider in Oakland, CA (NPI 1144403684).
Provider details
- NPI number
- 1144403684
- Entity type
- Individual
- Primary specialty
- Surgical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- MPA-C
- Sex
- Female
- Sole proprietor
- Yes
- License
- 16568 (CA)
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
18 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
128 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 69 | $113 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 35 | $75 |
| Emergency Department Visit With High Level of Medical Decision Making99285 | 24 | $159 |
Typical Medicare-allowed amounts for these services range $75–$159 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-12-06
- Last updated
- 2007-12-06
Frequently asked questions
- What is Jennifer Majarian's NPI number?
- Jennifer Majarian's National Provider Identifier (NPI) is 1144403684, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jennifer Majarian's specialty?
- Jennifer Majarian is listed in the NPPES registry with a primary specialty of Surgical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Jennifer Majarian located?
- Jennifer Majarian's practice location on file with NPPES is 1411 E 31st St, Oakland, CA 94602-1018.
- What is Jennifer Majarian's phone number?
- The practice phone number listed in the NPPES registry for Jennifer Majarian is (510) 437-4800.
- Does Jennifer Majarian accept Medicare?
- Jennifer Majarian is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jennifer Majarian's NPI active?
- Yes — Jennifer Majarian's NPI (1144403684) is active in the NPPES registry as of the last update on 2007-12-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.