JOSEPH AN D.O.
NPI 1144512450
Internal Medicine - Hematology & Oncology in Portsmouth, VA

Active since May 04, 2011PECOS EnrolledAccepts Medicare Assignment
94.1/100
CMS Quality Rating
620 JOHN PAUL JONES CIR, PORTSMOUTH, VA 23708(757) 953-1043(757) 953-1036 Get Directions Write a Review

NPPES record last updated: June 13, 2022. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Joseph An D.o. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JOSEPH AN D.O. (NPI 1144512450) is an individual hematology & oncology provider in Portsmouth, Virginia, licensed in California (20A12547) and active in the NPI registry since May 2011. He is enrolled in Medicare PECOS, is affiliated with Winchester Medical Center, and maintains a secondary practice location in Bethesda.

NPPES Registry Identity

NPI1144512450
Entity TypeIndividualMale
Primary Taxonomy207RH0003X
Provider Legal NameJOSEPH ANCredential: D.O.
Location Address620 JOHN PAUL JONES CIRPortsmouth, VA 23708-2111
Mailing Address2005 Beringer Rd Apt 103Suffolk, VA 23435-0148 · (818) 355-9798
Fax(757) 953-1036
Sole ProprietorYes
Medical School CMSOtherGraduated 2011
Enumeration DateMay 4, 2011
Last NPPES UpdateJune 13, 2022
NPPES CertifiedJune 13, 2022
NPI 1144512450 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
License Licensed in CA · 20A12547
Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
620 JOHN PAUL JONES CIR, Portsmouth, VA 23708

Secondary Practice Location 1

Location 14494 North Palmer RoadBethesda, MD 20889-0140 · Phone (818) 355-9798

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Joseph An D.o. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2062634827
PECOS Enrollment IDI20220919000590
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 7

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
497 services198 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
100 services63 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
36 services35 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
32 services32 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
22 services18 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
18 services18 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Winchester Medical Center

Acute Care Hospitals · Winchester, VA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number490005
Location1840 Amherst StWinchester, VA 22601 · Winchester City County
Emergency services Birthing friendly

Berkeley Medical Center

Acute Care Hospitals · Martinsburg, WV
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number510008
Location2500 Hospital DriveMartinsburg, WV 25401 · Berkeley County
Emergency services Birthing friendly

Jefferson Medical Center

Critical Access Hospitals · Ranson, WV
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number511319
Location300 South Preston StreetRanson, WV 25438 · Jefferson County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 23708 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$170.30 typical visit price
range $56.19 – $170.30
Typical copayment $42.57 (range $14.04 – $42.57)
Most-billed visit code 99205
Established Patient
$99.13 typical visit price
range $18.07 – $138.91
Typical copayment $24.78 (range $4.51 – $34.72)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

94.1/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality78.46
Promoting Interoperability100
Improvement Activities40

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Nurse Anesthetist, Certified Registered
620 JOHN PAUL JONES CIR
PORTSMOUTH, VA 23708
Emergency Medicine
620 JOHN PAUL JONES CIR, NAVAL MEDICAL CENTER PORTSMOUTH
PORTSMOUTH, VA 23708
Dental Hygienist
620 JOHN PAUL JONES CIR
PORTSMOUTH, VA 23708
Pharmacist
620 JOHN PAUL JONES CIR
PORTSMOUTH, VA 23708
Surgery
620 JOHN PAUL JONES CIR
PORTSMOUTH, VA 23708
General Practice
620 JOHN PAUL JONES CIR
PORTSMOUTH, VA 23708
Military Health Care Provider
620 JOHN PAUL JONES CIR
PORTSMOUTH, VA 23708
Orthopaedic Surgery
620 JOHN PAUL JONES CIR, NAVAL MEDICAL CENTER
PORTSMOUTH, VA 23708

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Joseph An's NPI number?

The NPI number for Joseph An is 1144512450. It was assigned to this individual provider in the NPPES registry on May 4, 2011.

Where is Joseph An located?

Joseph An practices at 620 John Paul Jones Cir, Portsmouth, VA 23708. The listed phone number is (757) 953-1043.

What is Joseph An's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is Joseph An enrolled in Medicare?

Yes. Joseph An is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Joseph An accept?

Health plans from CareSource and Highmark Blue Cross Blue Shield West Virginia list Joseph An as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Joseph An affiliated with any hospitals?

According to CMS data, Joseph An is affiliated with Winchester Medical Center, Berkeley Medical Center and Jefferson Medical Center.

When was this NPI record last updated?

The NPPES record for Joseph An was last updated on June 13, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.