Physician Profile
Long Huynh-Duc, D.O.
Unclaimed ProfileAbout Dr. Huynh-Duc
Long Huynh-Duc, D.O. is a healthcare provider in Greenville, SC specializing in rheumatology. Medicare claims data shows Long provided 346,189 services to 3,393 patients. The services billed most often include injection, certolizumab pegol, 1 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered), injection, golimumab, 1 mg, for intravenous use, and injection, tocilizumab, 1 mg.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
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
- (864) 235-8396
- Email not available
Practice Locations
50 INTERNATIONAL DR STE 325 SUITE 400
Greenville, SC 29615
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
- Fibromyalgia
- Gout
- Lupus
- Osteoarthritis
- Psoriatic arthritis
- Rheumatoid arthritis
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
- Paget's Disease of Bone
Bone Health
Connective Tissue
- Hypermobility Syndrome
- Mixed Connective Tissue Disease
- Scleroderma skin disease
- Undifferentiated Connective Tissue Disease
Genetic & Connective Tissue
Inflammatory
- Adult-Onset Still's Disease
- Polymyalgia rheumatica
- Rib pain
- Sarcoidosis Joint Pain
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
- Erythema Nodosum
Skin & Vascular
- Hypothermia And Frostbite At Work
- Mottled Purplish Skin
Soft Tissue
Spine & Back
- Ankylosing Spondylitis
- Sacroiliac joint pain
Vascular
Procedures & services
Most searched procedures
- Arthritis management
- Infusion therapy
- Joint injections
Consultation
- Second Opinion for Autoimmune Disease
Consultations
- Osteoporosis Medication Consultation
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
- Bone Density Scan Referral
- Joint Ultrasound
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
- Autoimmune Blood Panel
- Uric Acid Monitoring
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
- PRP Therapy for Joints
Procedures Most Often Billed to Medicare
346,189 services · 3,393 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Dxa bone density measurement of hip, pelvis, spine | Imaging | 77080 |
115 | As often as other peers in Rheumatology |
| Administration of non-hormonal anti-neoplastic chemotherapy under skin or into muscle | Treatment | 96401 |
1,069 | More than most peers in Rheumatology |
| Administration of chemotherapy into vein, 1 hour or less | Treatment | 96413 |
850 | More than most peers in Rheumatology |
| Administration of chemotherapy into vein, each additional hour | Treatment | 96415 |
259 | More often than most peers in Rheumatology |
| Injection of additional new drug or substance into vein | Treatment | 96375 |
169 | More often than most peers in Rheumatology |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
122 | As often as other peers in Rheumatology |
| Injection, certolizumab pegol, 1 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered) | Drug given | J0717 |
187,200 | More than most peers in Rheumatology |
| Injection, golimumab, 1 mg, for intravenous use | Drug given | J1602 |
38,700 | More than most peers in Rheumatology |
| Injection, tocilizumab, 1 mg | Drug given | J3262 |
34,120 | As often as other peers in Rheumatology |
| Injection, abatacept, 10 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered) | Drug given | J0129 |
19,875 | More 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.
Other rheumatologists at this location 3
Same specialty, same street address — most likely the same department or group.
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 rheumatologists in Greenville 6
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2010 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Dxa bone density measurement of hip, pelvis, spine 8
Providers in SC who bill this service to Medicare most often.
Common questions
What does Long Huynh-Duc specialize in?
Long Huynh-Duc is a rheumatologist in Greenville, SC. That is the designation recorded for this NPI in the federal registry, where it is listed as “Rheumatology”.
NPI registry
Where is Long Huynh-Duc located?
Long Huynh-Duc is listed at 50 International Dr Ste 325 Suite 400, Greenville, SC 29615. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Long Huynh-Duc's phone number?
The number on file is (864) 235-8396. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Long Huynh-Duc?
Long Huynh-Duc's National Provider Identifier is 1447572169. 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 Long Huynh-Duc train?
Long Huynh-Duc attended Other, graduating in 2010. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Long Huynh-Duc have?
Long Huynh-Duc has 16 years experience. Calculated from a graduation year of 2010, reported in the CMS National Downloadable File.
CMS public data
What does Long Huynh-Duc do most often?
According to Medicare billing data, Long Huynh-Duc performs imaging including dxa bone density measurement of hip, pelvis, spine; provides treatments such as administration of non-hormonal anti-neoplastic chemotherapy under skin or into muscle and administration of chemotherapy into vein, 1 hour or less, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Long Huynh-Duc's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Long Huynh-Duc. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.