Joseph Hong
NPI 1215323761 · Hospitalist Physician · Oakland, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joseph Hong is a Hospitalist Physician provider in Oakland, CA (NPI 1215323761).
Provider details
- NPI number
- 1215323761
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- 1161018 (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 tenure28% of score
11 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
354 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 | 195 | $132 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 87 | $191 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 46 | $130 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 26 | $88 |
Typical Medicare-allowed amounts for these services range $88–$191 (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)
- 2450 Ashby AveBerkeley, CA 94705-2067Phone: (510) 204-1893Fax: (510) 649-8287
- 2351 Clay St Ste 380San Francisco, CA 94115-1931Phone: (415) 600-3954
Registry dates
- Enumerated
- 2015-04-11
- Last updated
- 2019-09-25
Frequently asked questions
- What is Joseph Hong's NPI number?
- Joseph Hong's National Provider Identifier (NPI) is 1215323761, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joseph Hong's specialty?
- Joseph Hong is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Joseph Hong located?
- Joseph Hong's practice location on file with NPPES is 350 Hawthorne Ave, Oakland, CA 94609.
- What is Joseph Hong's phone number?
- The practice phone number listed in the NPPES registry for Joseph Hong is (510) 869-6882.
- Does Joseph Hong accept Medicare?
- Joseph Hong is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joseph Hong's NPI active?
- Yes — Joseph Hong's NPI (1215323761) is active in the NPPES registry as of the last update on 2019-09-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.