DR. HAO WANG M.D., PH.D.
NPI 1881897023
Internal Medicine - Hematology & Oncology in Boston, MA

Active since June 06, 2007PECOS EnrolledAccepts Medicare Assignment
133 BROOKLINE AVE, BOSTON, MA 02215(617) 421-5950(617) 421-8724 Get Directions Write a Review

NPPES record last updated: November 29, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Hao Wang M.d., Ph.d. NPPES

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

DR. HAO WANG M.D., PH.D. (NPI 1881897023) is an individual hematology & oncology provider in Boston, Massachusetts, licensed in Massachusetts (242886) and active in the NPI registry since June 2007. He is enrolled in Medicare PECOS and is a graduate of Other (1998).

NPPES Registry Identity

NPI1881897023
Entity TypeIndividualMale
Primary Taxonomy207RH0003X
Provider Legal NameDR. HAO WANGCredential: M.D., PH.D.
Location Address133 BROOKLINE AVEBoston, MA 02215-3904
Mailing Address147 Milk St, Provider Enrollment - 9th FloorBoston, MA 02109-4806 · (617) 421-6540
Fax(617) 421-8724
Sole ProprietorNo
Medical School CMSOtherGraduated 1998
Enumeration DateJune 6, 2007
Last NPPES UpdateNovember 29, 2021
✔ NPI 1881897023 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
License✔ Licensed in MA · 242886
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.
133 BROOKLINE AVE, Boston, MA 02215

Other Identifiers 1

Medicaid110085812AMA

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Hao Wang M.d., Ph.d. 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 ID1052445400
PECOS Enrollment IDI20160729000401
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.

Medicare Billing Reassignment

Medicare enrollment records show Hao Wang reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Health Maintenance Organization
43112 N 15TH ST
Lancaster, CA 93534
  • Reassigned Medicare billing, California enrollment
  • 13,921 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims

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.

Infusion, normal saline solution , 1000 cc J7030
An infusion of normal saline solution, 1000 cc, is a common medical procedure. It involves introducing a saltwater solution into your bloodstream via an intravenous (IV) line. This helps to hydrate your body, correct electrolyte imbalances, and deliver medications if needed.
32 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02215 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
$189.86 typical visit price
range $63.72 – $189.86
Typical copayment $47.46 (range $15.93 – $47.46)
Most-billed visit code 99205
Established Patient
$111.18 typical visit price
range $21.07 – $155.29
Typical copayment $27.79 (range $5.26 – $38.82)
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.

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 Practitioner (Family)
133 BROOKLINE AVE
BOSTON, MA 02215
Nurse Practitioner (Adult Health)
133 BROOKLINE AVE
BOSTON, MA 02215
Psychiatry & Neurology (Psychiatry)
133 BROOKLINE AVE
BOSTON, MA 02215
Internal Medicine
133 BROOKLINE AVE, INTERNAL MEDICINE
BOSTON, MA 02215
Social Worker
133 BROOKLINE AVE
BOSTON, MA 02215
Registered Nurse
133 BROOKLINE AVE
BOSTON, MA 02215
Genetic Counselor, MS
133 BROOKLINE AVE
BOSTON, MA 02215
Technician/Technologist (Optician)
133 BROOKLINE AVE
BOSTON, MA 02215

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 Hao Wang's NPI number?

The NPI number for Hao Wang is 1881897023. It was assigned to this individual provider in the NPPES registry on June 6, 2007.

Where is Hao Wang located?

Hao Wang practices at 133 Brookline Ave, Boston, MA 02215. The listed phone number is (617) 421-5950.

What is Hao Wang's specialty?

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

Is Hao Wang enrolled in Medicare?

Yes. Hao Wang 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.

Which organization bills Medicare for Hao Wang's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Hao Wang reassigns Medicare benefits to Southern California Permanente Medical Group (Lancaster, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Hao Wang's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Hao Wang accept?

Health plans from Taro Health list Hao Wang 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.

When was this NPI record last updated?

The NPPES record for Hao Wang was last updated on November 29, 2021. 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.