Bryan Nam, MD
NPI 1578925467 · Internal Medicine Physician · Orange, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Bryan Nam, MD is a Internal Medicine Physician provider in Orange, CA (NPI 1578925467).
Provider details
- NPI number
- 1578925467
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
10 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
633 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 35 Minutes99232 | 319 | $81 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 144 | $120 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 93 | $179 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 66 | $123 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 11 | $135 |
Typical Medicare-allowed amounts for these services range $81–$179 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ondansetronbrand: Ondansetron Odt | 25 | 24 |
| Furosemide | 19 | 19 |
| Prednisone | 18 | 18 |
| Famotidine | 17 | 15 |
| Atorvastatin Calcium | 16 | 15 |
| Cefpodoxime Proxetil | 15 | 15 |
| Doxycycline Hyclate | 15 | 15 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$135 across 5 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 751 S Bascom AveSan Jose, CA 95128-2604Phone: (562) 453-8121
Registry dates
- Enumerated
- 2016-03-22
- Last updated
- 2019-09-04
Frequently asked questions
- What is Bryan Nam's NPI number?
- Bryan Nam's National Provider Identifier (NPI) is 1578925467, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Bryan Nam's specialty?
- Bryan Nam is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Bryan Nam located?
- Bryan Nam's practice location on file with NPPES is 2501 E Chapman Ave, Orange, CA 92869-3204.
- What is Bryan Nam's phone number?
- The practice phone number listed in the NPPES registry for Bryan Nam is (714) 628-3136.
- Does Bryan Nam accept Medicare?
- Bryan Nam is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Bryan Nam's NPI active?
- Yes — Bryan Nam's NPI (1578925467) is active in the NPPES registry as of the last update on 2019-09-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.