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Edit this profileAt a glance
- 2501 E Chapman Ave, Orange, CA 92869
About Dr. Phan
Based in Orange, CA, Andrew C. Phan, M.D. is listed in the NPI registry under rheumatology. Andrew graduated from University of California, San Diego School of Medicine in 2006. According to Medicare claims data, Andrew cared for 336 Medicare patients across 599 services. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient', and new patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more. NPI 1710164736 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (714) 628-3322
- Email not available
Practice Locations
2501 E CHAPMAN AVE
Orange, CA 92869
Conditions Commonly Evaluated or Treated
Within Rheumatology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Autoimmune
- Antiphospholipid Syndrome
- Behçet's Disease
- Dermatomyositis
- Dry Eyes and Mouth
- Granulomatosis with Polyangiitis
- IgA Vasculitis
- IgG4-Related Disease
- Inflammatory myopathy
- Lupus Butterfly Rash
- Positive ANA Blood Test
- Relapsing Polychondritis
Bone
Bone Health
Connective Tissue
- Hypermobility Syndrome
- Mixed Connective Tissue Disease
- Scleroderma skin disease
- Undifferentiated Connective Tissue Disease
Genetic & Connective Tissue
Inflammatory
Joints
- Baker's Cyst
- Chronic Joint Pain
- Enteropathic Arthritis
- Juvenile Idiopathic Arthritis
- Morning Joint Stiffness
- Palindromic Rheumatism
- Pseudogout
- Reactive Arthritis
- Swollen Fingers or Toes
- Swollen Joints
Nerve & Tendon
Skin & Soft Tissue
Skin & Vascular
Soft Tissue
Spine & Back
Vascular
Procedures & services
Most searched procedures
Consultation
Consultations
Diagnostics & Injections
- Baker's Cyst Aspiration
- Bursa injection
- Carpal tunnel steroid injection
- Joint injection or aspiration
- Knee Joint Injection
- Nailfold Capillaroscopy
- Sacroiliac joint injection
- Salivary Gland Biopsy
- Tendon Sheath Injection
Education & Support
Imaging
Injections
- Ankle Joint Injection
- Finger Joint Injections
- Shoulder Cortisone Injection
- Ultrasound-guided hip injection
- Wrist Cortisone Injection
Lab & Diagnostics
- ANCA Blood Test
- Anti-CCP Antibody Test
- HLA-B27 Genetic Test
- Inflammation Blood Tests
- Joint Fluid Analysis
- Lupus Skin Biopsy
- Myositis Antibody Panel
- Rheumatoid Factor Blood Test
Lab Work
Medication Management
- Biologic medication management
- DMARD Medication Management
- Gout Flare Treatment Plan
- Immunosuppressant Drug Monitoring
- Prolia Injection for Osteoporosis
- Reclast Infusion for Osteoporosis
- Steroid Taper Management
Pain Relief
Regenerative Medicine
Procedures Most Often Billed to Medicare
599 services · 336 patients · 9 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| X-ray of hand, 2 views | Imaging | 73120 |
37 | As often as other peers in Rheumatology |
| X-ray of shoulder, minimum of 2 views | Imaging | 73030 |
15 | Less often than most peers in Rheumatology |
| Dxa bone density measurement of hip, pelvis, spine | Imaging | 77080 |
14 | Less often than most peers in Rheumatology |
| X-ray of lower and sacral spine, 2-3 views | Imaging | 72100 |
14 | Less often than most peers in Rheumatology |
| X-ray of middle spine, 2 views | Imaging | 72070 |
12 | Less often than most peers in Rheumatology |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
231 | As often as other peers in Rheumatology |
| Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient' | Billing code | G2211 |
213 | As often as other peers in Rheumatology |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
38 | As often as other peers in Rheumatology |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
25 | Less often than most peers in Rheumatology |
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.
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.
Other rheumatologists in Orange 8
Same specialty, same city.
Trained at University of California, San Diego School of Medicine 8
Other providers in the same specialty who trained at the same institution.
More connections — 14 related providers in 2 groups
Class of 2006 at University of California, San Diego School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs X-ray of hand, 2 views 6
Providers in CA who bill this service to Medicare most often.
Common questions
What is Andrew C. Phan's specialty?
Andrew C. Phan is a rheumatologist in Orange, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Rheumatology”.
NPI registry
Where can I find Andrew C. Phan?
Andrew C. Phan is listed at 2501 E Chapman Ave, Orange, CA 92869. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Andrew C. Phan?
The number on file is (714) 628-3322. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Andrew C. Phan's NPI number?
Andrew C. Phan's National Provider Identifier is 1710164736. 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
What is Andrew C. Phan's education?
Andrew C. Phan attended University of California, San Diego School of Medicine, graduating in 2006. This comes from the CMS National Downloadable File.
CMS public data
How long has Andrew C. Phan been practicing?
Andrew C. Phan has 20 years experience. Calculated from a graduation year of 2006, reported in the CMS National Downloadable File.
CMS public data
What is Andrew C. Phan known for?
According to Medicare billing data, Andrew C. Phan performs imaging including x-ray of hand, 2 views and x-ray of shoulder, minimum of 2 views, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Andrew C. Phan confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Andrew C. Phan. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.