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DR. HOSSEIN ALMASSI MD
NPI 1255382768
Thoracic Surgery (Cardiothoracic Vascular Surgery) in Milwaukee, WI

Active since May 12, 2006PECOS Enrolled
9200 W WISCONSIN AVE, CARDIOTHORACIC SURGERY, MILWAUKEE, WI 53226(414) 955-6900(414) 955-6204 Get Directions Write a Review

NPPES record last updated: August 27, 2014. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Hossein Almassi Md NPPES

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

DR. HOSSEIN ALMASSI MD (NPI 1255382768) is an individual thoracic surgery (cardiothoracic vascular surgery) provider in Milwaukee, Wisconsin, licensed in Wisconsin (25888) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1255382768
Entity TypeIndividualMale
Primary Taxonomy208G00000X
Provider Legal NameDR. HOSSEIN ALMASSICredential: MD
Location Address9200 W WISCONSIN AVE, CARDIOTHORACIC SURGERYMilwaukee, WI 53226-3522
Mailing Address9200 W Wisconsin Ave, Cardiothoracic SurgeryMilwaukee, WI 53226-3522 · (414) 955-6900 · Fax (414) 955-6204
Phone(414) 955-6900
Fax(414) 955-6204
Sole ProprietorNo
Enumeration DateMay 12, 2006
Last NPPES UpdateAugust 27, 2014
✔ NPI 1255382768 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyThoracic Surgery (Cardiothoracic Vascular Surgery)Allopathic & Osteopathic Physicians
Taxonomy Code208G00000X
License✔ Licensed in WI · 25888
Definition
A thoracic surgeon provides the operative, perioperative and critical care of patients with pathologic conditions within the chest. Included is the surgical care of coronary artery disease, cancers of the lung, esophagus and chest wall, abnormalities of the trachea, abnormalities of the great vessels and heart valves, congenital anomalies, tumors of the mediastinum and diseases of the diaphragm. The management of the airway and injuries of the chest is within the scope of the specialty.
9200 W WISCONSIN AVE, Milwaukee, WI 53226
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Other Names 1

Other Name (5)Dr. G Hossein Almassi Md

Other Identifiers 5

Medicare UPINB51152
Medicaid1255382768WI
Other002000105WHumana
Medicaid30745900WI
Medicare ID-Type Unspecified0019773601

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Network Health.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

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

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 Hossein Almassi reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

The Medical College Of Wisconsin, Inc.
0.5 mi
Internal Medicine
8701 WATERTOWN PLANK RD
Milwaukee, WI 53226
  • Reassigned Medicare billing, Wisconsin enrollment
  • 3,983 clinicians in this Medicare group
NPI 1699720086 (414) 955-7101

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53226 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
$163.24 typical visit price
range $53.90 – $163.24
Typical copayment $40.81 (range $13.47 – $40.81)
Most-billed visit code 99205
Established Patient
$67.37 typical visit price
range $17.40 – $133.76
Typical copayment $16.84 (range $4.35 – $33.44)
Most-billed visit code 99213
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.

TRACY BLAIR WANDTKE HERRMANN APNP, CNM
Advanced Practice Midwife
9200 W WISCONSIN AVE
MILWAUKEE, WI 53226
Milwaukee County (414) 805-4777
DR. ZACHARY SMITH DO
Internal Medicine (Gastroenterology)
9200 W WISCONSIN AVE
MILWAUKEE, WI 53226
Milwaukee County (414) 955-6830
DR. COLLEEN ANN CROWE M.D., M.P.H.
Emergency Medicine
9200 W WISCONSIN AVE
MILWAUKEE, WI 53226
Milwaukee County (414) 805-6469
ROBERTO MEJIAS APNP
Nurse Practitioner (Pediatrics)
9200 W WISCONSIN AVE
MILWAUKEE, WI 53226
Milwaukee County (414) 805-6600
MRS. ANNE E B LAKATOS APN-BC, APNP, RN
Nurse Practitioner (Adult Health)
9200 W WISCONSIN AVE, DEPT OF INTERNAL MEDICINE
MILWAUKEE, WI 53226
Milwaukee County (414) 805-6850
MRS. AMANDA M MANDERS APNP
Nurse Practitioner (Adult Health)
9200 W WISCONSIN AVE
MILWAUKEE, WI 53226
Milwaukee County (414) 805-6850
KATHLEEN A WATERHOUSE-SKIBICKI CRNA
Nurse Anesthetist, Certified Registered
9200 W WISCONSIN AVE
MILWAUKEE, WI 53226
Milwaukee County (414) 805-5951
ANDREA L BEQUEST PA
Physician Assistant (Medical)
9200 W WISCONSIN AVE, INTERNAL MEDICINE
MILWAUKEE, WI 53226
Milwaukee County (414) 955-0350

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 Hossein Almassi's NPI number?

The NPI number for Hossein Almassi is 1255382768. It was assigned to this individual provider in the NPPES registry on May 12, 2006. The provider is also known as Dr. G Hossein Almassi MD.

Where is Hossein Almassi located?

Hossein Almassi practices at 9200 W Wisconsin Ave Cardiothoracic Surgery, Milwaukee, WI 53226. The listed phone number is (414) 955-6900.

What is Hossein Almassi's specialty?

The primary specialty registered for this NPI is Thoracic Surgery (Cardiothoracic Vascular Surgery) with taxonomy code 208G00000X.

Is Hossein Almassi enrolled in Medicare?

Yes. Hossein Almassi is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Hossein Almassi's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Hossein Almassi reassigns Medicare benefits to The Medical College Of Wisconsin, Inc. (Milwaukee, WI). 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 Hossein Almassi's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Hossein Almassi accept?

Health plans from Network Health list Hossein Almassi 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 Hossein Almassi was last updated on August 27, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.