Cong Phan, M.D.
NPI 1386778033 · Internal Medicine Physician · Rancho Cucamonga, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Cong Phan, M.D. is a Internal Medicine Physician provider in Rancho Cucamonga, CA (NPI 1386778033).
Provider details
- NPI number
- 1386778033
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 00A780920
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Other Service Providers
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
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
4,324 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 50 Minutes99233 | 1,385 | $112 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 1,272 | $126 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 333 | $164 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 289 | $109 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 283 | $103 |
| Physician Or Allowed Practitioner Re-Certification for Medicare-Covered Home Health Services Under a Home Health Plan of Care (patient Not Present), Including Contacts With Home Health Agency and Review of Reports of Patient Status Required By Physicians a |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 183 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 648 | 192 |
| Losartan Potassium | 553 | 168 |
| Amlodipine Besylate | 535 | 162 |
| Metformin Hcl | 506 | 144 |
| Gabapentin | 406 | 134 |
| Rosuvastatin Calcium | 380 | 142 |
| Levothyroxine Sodium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$441 across 15 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)
- 4950 San Bernardino St Ste 107Montclair, CA 91763-2328Phone: (909) 963-0800Fax: (909) 296-7999
Registry dates
- Enumerated
- 2007-03-15
- Last updated
- 2024-09-27
- Certified
- 2024-09-27
Frequently asked questions
- What is Cong Phan's NPI number?
- Cong Phan's National Provider Identifier (NPI) is 1386778033, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Cong Phan's specialty?
- Cong Phan is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Cong Phan located?
- Cong Phan's practice location on file with NPPES is 8235 Rochester Ave Ste 110, Rancho Cucamonga, CA 91730-0719.
- What is Cong Phan's phone number?
- The practice phone number listed in the NPPES registry for Cong Phan is (909) 484-4900.
- Does Cong Phan accept Medicare?
- Cong Phan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Cong Phan's NPI active?
- Yes — Cong Phan's NPI (1386778033) is active in the NPPES registry as of the last update on 2024-09-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.