Jennifer Parrish, D.O.
NPI 1639516057 · Critical Care Medicine (Internal Medicine) Physician · San Jose, CA
Enrolled with Medicare as Practitioner - Critical Care (intensivists) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jennifer Parrish, D.O. is a Critical Care Medicine (Internal Medicine) Physician provider in San Jose, CA (NPI 1639516057).
Provider details
- NPI number
- 1639516057
- Entity type
- Individual
- Primary specialty
- Critical Care Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Female
- Sole proprietor
- No
- License
- 20A13589 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
13 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
441 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) |
|---|---|---|
| Critical Care, First 30-74 Minutes99291 | 216 | $232 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 165 | $88 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 41 | $133 |
| Initial Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99221 | 19 | $92 |
Typical Medicare-allowed amounts for these services range $88–$232 (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
Additional practice locations (2)
- 2585 Samaritan DrSan Jose, CA 95124-4107Phone: (888) 924-1036
- 1000 W. Carson Street, Box 400Torrance, CA 90509-2910Phone: (310) 222-2401
Registry dates
- Enumerated
- 2013-05-24
- Last updated
- 2024-06-10
- Certified
- 2024-06-10
Frequently asked questions
- What is Jennifer Parrish's NPI number?
- Jennifer Parrish's National Provider Identifier (NPI) is 1639516057, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jennifer Parrish's specialty?
- Jennifer Parrish is listed in the NPPES registry with a primary specialty of Critical Care Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Jennifer Parrish located?
- Jennifer Parrish's practice location on file with NPPES is 2425 Samaritan Dr, San Jose, CA 95124.
- What is Jennifer Parrish's phone number?
- The practice phone number listed in the NPPES registry for Jennifer Parrish is (408) 559-2358.
- Does Jennifer Parrish accept Medicare?
- Jennifer Parrish is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jennifer Parrish's NPI active?
- Yes — Jennifer Parrish's NPI (1639516057) is active in the NPPES registry as of the last update on 2024-06-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.