Physician Profile
Unclaimed ProfileAbout PHAN
Anthony Thong Phan, M.D. practises internal medicine in Simi Valley, CA. Anthony is a 1993 graduate of University of Kansas School of Med (Kc/Wich/Sal).
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 kind of doctor is Dr. Phan?
Dr. Phan is an internal medicine in Simi Valley, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “INTERNAL MEDICINE”.
NPI registry
What is Dr. Phan's address?
Dr. Phan is listed at 1189 SWALLOW LN STE 110, Simi Valley, CA 93065. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Phan?
The number on file is (805) 526-3213. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Phan's NPI number?
Dr. Phan's National Provider Identifier is 1124207006. 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 train?
Dr. Phan attended University of Kansas School of Med (Kc/Wich/Sal), graduating in 1993. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Phan been practising?
Dr. Phan has 33 years experience. Calculated from a graduation year of 1993, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Phan perform?
According to Medicare billing data, Dr. Phan performs procedures including insertion of needle into vein for collection of blood sample; provides treatments such as injection of drug or substance under skin or into muscle, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Phan confirmed this information?
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
- (805) 526-3213
- Email not available
Practice Locations
1189 SWALLOW LN STE 110
Simi Valley, CA 93065
Procedures Most Often Billed to Medicare
2,189 services · 421 patients · 9 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
140 |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
285 |
| Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg | Drug given | J3420 |
122 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
834 |
| Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more | Office visit | 99212 |
569 |
| Blood test, clotting time | Lab test | 85610 |
103 |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
75 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
39 |
| Urinalysis, manual test | Lab test | 81002 |
22 |
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.
Related specialists at this location 1
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 3
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other internal medicines in Simi Valley 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at University of Kansas School of Med (Kc/Wich/Sal) 8
Other providers in the same specialty who trained at the same institution.
Class of 1993 at University of Kansas School of Med (Kc/Wich/Sal) 8
Providers who graduated from the same medical school in the same year.
Also performs Insertion of needle into vein for collection of blood sample 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.