Herman Sardjono, MD
NPI 1225142128 · Internal Medicine Physician · Arcadia, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Herman Sardjono, MD is a Internal Medicine Physician provider in Arcadia, CA (NPI 1225142128).
Provider details
- NPI number
- 1225142128
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A41793 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
537 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 356 | $99 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 74 | $62 |
| Telephone Medical Discussion With Physician, 5-10 Minutes99441 | 56 | $36 |
| Office Or Other Outpatient Visit for the Evaluation and Management of Established Patient That May Not Require Presence of Healthcare Professional99211 | 51 | $26 |
Typical Medicare-allowed amounts for these services range $26–$99 (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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 85 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Losartan Potassium | 615 | 149 |
| Atorvastatin Calcium | 566 | 153 |
| Metformin Hcl | 359 | 89 |
| Amlodipine Besylate | 331 | 94 |
| Azithromycin | 265 | 153 |
| Ezetimibe | 195 | 52 |
| Semaglutidebrand: Ozempic | 170 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$283 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
Registry dates
- Enumerated
- 2006-08-18
- Last updated
- 2020-01-02
- Certified
- 2020-01-02
Frequently asked questions
- What is Herman Sardjono's NPI number?
- Herman Sardjono's National Provider Identifier (NPI) is 1225142128, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Herman Sardjono's specialty?
- Herman Sardjono is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Herman Sardjono located?
- Herman Sardjono's practice location on file with NPPES is 72 W Las Tunas Dr, Arcadia, CA 91007.
- What is Herman Sardjono's phone number?
- The practice phone number listed in the NPPES registry for Herman Sardjono is (626) 821-5305.
- Does Herman Sardjono accept Medicare?
- Herman Sardjono is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Herman Sardjono's NPI active?
- Yes — Herman Sardjono's NPI (1225142128) is active in the NPPES registry as of the last update on 2020-01-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.