DR. TAIMOOR HUSSAIN MD
NPI 1851085401
Internal Medicine in Boston, MA

Active since June 06, 2023PECOS Enrolled
450 BROOKLINE AVE, BOSTON, MA 02215(617) 632-3000 Get Directions Write a Review

NPPES record last updated: August 25, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 25, 2026, Aug 10, 2026, Jun 2, 2026 and 1 more (4 updates tracked since 2023).

About Dr. Taimoor Hussain Md NPPES

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

DR. TAIMOOR HUSSAIN MD (NPI 1851085401) is an individual internal medicine provider in Boston, Massachusetts, licensed in Massachusetts (1028625) and active in the NPI registry since June 2023. He is enrolled in Medicare PECOS, is affiliated with Johns Hopkins Bayview Medical Center, and is a graduate of Other (2016).

NPPES Registry Identity

NPI1851085401
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. TAIMOOR HUSSAINCredential: MD
Location Address450 BROOKLINE AVEBoston, MA 02215-5450
Mailing Address450 Brookline AveBoston, MA 02215-5450 · (617) 632-3000
Sole ProprietorNo
Medical School CMSOtherGraduated 2016
Enumeration DateJune 6, 2023
Last NPPES UpdateAugust 25, 20264 updates tracked since enumeration
NPPES CertifiedAugust 25, 2026
✔ NPI 1851085401 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in MA · 1028625
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
450 BROOKLINE AVE, Boston, MA 02215

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Taimoor Hussain Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID2264977578
PECOS Enrollment IDI20260610002137
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 Reassignments

2

Medicare enrollment records show Taimoor Hussain reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Ophthalmology
4692 MILLENNIUM DRIVE, SUITE 200
Belcamp, MD 21017
  • Reassigned Medicare billing, Maryland enrollment
  • 4,483 clinicians in this Medicare group
Hospitalist
600 N WOLFE ST
Baltimore, MD 21287
  • Reassigned Medicare billing, Maryland enrollment
  • 338 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.

Hospital Affiliations CMS Care Compare

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

Johns Hopkins Bayview Medical Center

Acute Care Hospitals · Baltimore, MD
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number210029
Location4940 Eastern AvenueBaltimore, MD 21224 · Baltimore City County
Emergency services Birthing friendly

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
$144.11 typical visit price
range $63.72 – $189.86
Typical copayment $36.02 (range $15.93 – $47.46)
Most-billed visit code 99204
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.

Internal Medicine (Hematology & Oncology)
450 BROOKLINE AVE
BOSTON, MA 02215
Physician Assistant
450 BROOKLINE AVE
BOSTON, MA 02215
Genetic Counselor, MS
450 BROOKLINE AVE
BOSTON, MA 02215
Pediatrics (Pediatric Hematology-Oncology)
450 BROOKLINE AVE
BOSTON, MA 02215
Counselor (Mental Health)
450 BROOKLINE AVE
BOSTON, MA 02215
Internal Medicine (Hematology & Oncology)
450 BROOKLINE AVE, DANA 2058
BOSTON, MA 02215
Nurse Practitioner
450 BROOKLINE AVE
BOSTON, MA 02215
Genetic Counselor, MS
450 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 Taimoor Hussain's NPI number?

The NPI number for Taimoor Hussain is 1851085401. It was assigned to this individual provider in the NPPES registry on June 6, 2023.

Where is Taimoor Hussain located?

Taimoor Hussain practices at 450 Brookline Ave, Boston, MA 02215. The listed phone number is (617) 632-3000.

What is Taimoor Hussain's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Taimoor Hussain enrolled in Medicare?

Yes. Taimoor Hussain is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Taimoor Hussain's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Taimoor Hussain reassigns Medicare benefits to 2 organizations: Johns Hopkins University (Belcamp, MD) and Johns Hopkins University (Baltimore, MD). Each 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 Taimoor Hussain's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Taimoor Hussain affiliated with any hospitals?

According to CMS data, Taimoor Hussain is affiliated with Johns Hopkins Bayview Medical Center.

When was this NPI record last updated?

The NPPES record for Taimoor Hussain was last updated on August 25, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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.