Physician Profile
Unclaimed ProfileAbout PHAN
Based in Rancho Cucamonga, CA, Cong Thanh Phan, M.D. is listed in the NPI registry under internal medicine. Cong graduated from Albany Medical College of Union University in 2000. Cong is also listed as specialising in specialist.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What does Dr. Phan specialise in?
Dr. Phan is an internal medicine in Rancho Cucamonga, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “INTERNAL MEDICINE”.
NPI registry
Where is Dr. Phan located?
Dr. Phan is listed at 8235 ROCHESTER AVE STE 110, Rancho Cucamonga, CA 91730. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Phan's phone number?
The number on file is (909) 484-4900. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Phan?
Dr. Phan's National Provider Identifier is 1386778033. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Phan go to medical school?
Dr. Phan attended Albany Medical College of Union University, graduating in 2000. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Phan have?
Dr. Phan has 26 years experience. Calculated from a graduation year of 2000, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Phan do most often?
According to Medicare billing data, Dr. Phan provides treatments such as influenza vaccine, trivalent, split virus, preservative-free, 0.5 ml dosage, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Phan's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Phan. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (909) 484-4900
- Email not available
Practice Locations
8235 ROCHESTER AVE STE 110
Rancho Cucamonga, CA 91730
Procedures Most Often Billed to Medicare
4,395 services · 1,564 patients · 15 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Influenza vaccine, trivalent, split virus, preservative-free, 0.5 ml dosage | Treatment | 90656 |
71 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
1,385 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
1,272 |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
333 |
| Hospital discharge day management, more than 30 minutes | Office visit | 99239 |
289 |
| Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes | Office visit | 99309 |
283 |
| 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 | Billing code | G0179 |
195 |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
187 |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
122 |
| Administration of influenza virus vaccine | Billing code | G0008 |
69 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other internal medicines at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 3
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 31 related providers in 4 groups
Other internal medicines in Rancho Cucamonga 7
Same specialty, same city.
Trained at Albany Medical College of Union University 8
Other providers in the same specialty who trained at the same institution.
Class of 2000 at Albany Medical College of Union University 8
Providers who graduated from the same medical school in the same year.
Also performs Influenza vaccine, trivalent, split virus, preservative-free, 0.5 ml dosage 8
Providers in CA who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.