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Edit this profileWhere to find Joseph An, D.O.
- Portsmouth location main office
620 John Paul Jones Cir, Portsmouth, VA 23708 - Bethesda location
4494 North Palmer Road, Bethesda, MD 20889
About Dr. An
Based in Portsmouth, VA, Joseph An, D.O. is listed in the NPI registry under hematology & oncology. Joseph is also listed as specializing in student in an organized health care education program. According to Medicare claims data, Joseph cared for 395 Medicare patients across 739 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, established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more, and initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes. NPI 1144512450 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
- (757) 953-1043
- Email not available
Practice Locations
620 JOHN PAUL JONES CIR
Portsmouth, VA 23708
4494 North Palmer Road
Bethesda, MD 20889
Conditions Commonly Evaluated or Treated
Within Hematology and Oncology 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
- Anemia
- Blood clots
- Breast cancer
- Colon cancer
- Iron-deficiency anemia
- Leukemia
- Lung cancer
- Lymphoma
- Prostate cancer
Advanced Cancers
- Cancer That Has Spread
Blood & Lymph Disorders
Blood Cancers
Blood Disorders
- Bleeding Disorders
- Blood Clot in Lung
- Blood Clotting Gene Mutation
- Deep vein thrombosis
- Hemochromatosis
- High Platelet Count
- High White Blood Cell Count
- Low Platelets
- Low White Blood Cell Count
- Thick Blood
- Unexplained Bruising
Blood disorders
- Bone Marrow Scarring
- Hemolytic Anemia in Children
- Pre-Myeloma Protein In Blood
- Vitamin B12 deficiency anemia
Bone & Soft Tissue Cancers
Digestive Cancers
Endocrine Cancers
Endocrine tumors
Gastrointestinal cancer
General oncology
Genetic Blood Disorders
Gynecologic cancer
Gynecologic Cancers
Head & Neck Cancers
Head and neck cancer
Neurologic Cancers
Oncologic emergencies
Ophthalmologic oncology
Skin cancer
Skin Cancers
Urologic Cancers
Procedures & services
Biopsies & Diagnostics
- Bone Marrow Biopsy
- Lumbar puncture
- Lymph Node Biopsy
Cancer care
- Cancer symptom support
Pain & wellness
Most searched procedures
Blood disorder care
- Blood Exchange Transfusion
- Photopheresis
Cancer Therapies
Cancer therapy
- Chemo allergy desensitization
- Oral chemotherapy management
- Radiation oncology consultation
- Spinal chemo injection
Cellular Therapies
Consultations
- Cancer Survivorship Care Plan
- Clinical Trial Screening
- Second Opinion For Cancer
Diagnostic testing
- Circulating tumor cell test
Hematology Treatments
Imaging
Infusions
Interventional oncology
- Radiofrequency ablation
- TACE Chemoembolization
Supportive Cancer Care
- Bone Strengthening Injections For Cancer
- Pain Management For Cancer
- Red Blood Cell Booster Shot
- White Blood Cell Booster Injection
Supportive cancer care
- Cancer nutrition counseling
- Chemo brain treatment
- Cold cap therapy for hair loss
- Fertility Preservation for Teens Before Cancer Treatment
- Hyperbaric oxygen for radiation damage
- Lymphedema Drainage Therapy
- Palliative cancer care
Surgical & Vascular Access
- Chemo port placement
- Chemo port removal
- Draining lung fluid
- Paracentesis
- PICC line placement coordination
Testing & Genetics
- Cancer Genetic Testing
- Cancer Tumor Profiling
- Liquid Biopsy
Vascular access care
- Chemo port check
- Chemo Port Flush And Maintenance
- PICC line dressing change
Procedures Most Often Billed to Medicare
739 services · 395 patients · 8 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
497 | More often than most peers in Hematology & Oncology |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
100 | As often as other peers in Hematology & Oncology |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
36 | More often than most peers in Hematology & Oncology |
| New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more | Office visit | 99205 |
32 | As often as other peers in Hematology & Oncology |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
22 | Less often than most peers in Hematology & Oncology |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
18 | Less often than most peers in Hematology & Oncology |
| 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 |
17 | Less often than most peers in Hematology & Oncology |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
17 | Less often than most peers in Hematology & Oncology |
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 cancer specialists in Portsmouth 6
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
More connections — 8 related providers in 1 group
Class of 2011 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What is Joseph An's specialty?
Joseph An is a cancer specialist in Portsmouth, VA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Hematology & Oncology”.
NPI registry
Where can I find Joseph An?
Joseph An is listed at 620 John Paul Jones Cir, Portsmouth, VA 23708. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Joseph An?
The number on file is (757) 953-1043. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Joseph An's NPI number?
Joseph An's National Provider Identifier is 1144512450. 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 Joseph An's education?
Joseph An attended Other, graduating in 2011. This comes from the CMS National Downloadable File.
CMS public data
How long has Joseph An been practicing?
Joseph An has 15 years experience. Calculated from a graduation year of 2011, reported in the CMS National Downloadable File.
CMS public data
What is Joseph An known for?
According to Medicare billing data, Joseph An the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Joseph An confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Joseph An. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.