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HASAN HAMMO MD
NPI 1407421118
Internal Medicine - Cardiovascular Disease in Galveston, TX

Active since May 25, 2021PECOS EnrolledAccepts Medicare Assignment
400 HARBORSIDE DRIVE, PRIMARY CARE PAVILLION (PCP) SUITE 112, GALVESTON, TX 77555(409) 762-2328(409) 812-2282 Get Directions Write a Review

NPPES record last updated: June 19, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: May 19, 2026, May 25, 2021 (2 updates tracked since 2021).

About Hasan Hammo Md NPPES

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

HASAN HAMMO MD (NPI 1407421118) is an individual cardiovascular disease provider in Galveston, Texas, licensed in Texas (W7034) and active in the NPI registry since May 2021. He is enrolled in Medicare PECOS, is affiliated with John H Stroger Jr Hospital, and maintains a secondary practice location in Chicago.

NPPES Registry Identity

NPI1407421118
Entity TypeIndividualMale
Primary Taxonomy207RC0000X
Provider Legal NameHASAN HAMMOCredential: MD
Location Address400 HARBORSIDE DRIVE, PRIMARY CARE PAVILLION (PCP) SUITE 112Galveston, TX 77555-0001
Mailing Address400 Harborside Drive, Primary Care Pavillion (pcp) Suite 112Galveston, TX 77555-0001 · (409) 762-2328 · Fax (409) 812-2282
Phone(409) 762-2328
Fax(409) 812-2282
Sole ProprietorNo
Medical School CMSOtherGraduated 2019
Enumeration DateMay 25, 2021
Last NPPES UpdateJune 19, 20262 updates tracked since enumeration
NPPES CertifiedJune 19, 2026
✔ NPI 1407421118 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
License✔ Licensed in TX · W7034
Definition
An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.
Also ListedInternal MedicineTaxonomy 207R00000X · License 036167666 (IL)
Also ListedHospitalistTaxonomy 208M00000X · License 036167666 (IL)
400 HARBORSIDE DRIVE, Galveston, TX 77555
Open in Google Maps ↗

Secondary Practice Location 1

Location 11901 W Harrison StChicago, IL 60612-3714 · Phone (312) 864-6000

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

Hasan Hammo Md 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 ID8527461748
PECOS Enrollment IDI20240717001073
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 Hasan Hammo reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Cook County
932 mi
Primary Care
1645 COTTAGE GROVE AVE
Ford Heights, IL 60411
  • Reassigned Medicare billing, Illinois enrollment
  • 1,047 clinicians in this Medicare group
NPI 1760502439 (708) 753-5800

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 2

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

John H Stroger Jr Hospital

Acute Care Hospitals · Chicago, IL
2/5 CMS rating
OwnershipGovernment - Local
CMS Certification Number140124
Location1901 W Harrison StChicago, IL 60612 · Cook County
Emergency services Birthing friendly

Provident Hospital Of Chicago

Acute Care Hospitals · Chicago, IL
OwnershipGovernment - Local
CMS Certification Number140300
Location500 E 51st StChicago, IL 60615 · Cook County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77555 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
$131.16 typical visit price
range $57.19 – $173.07
Typical copayment $32.79 (range $14.29 – $43.26)
Most-billed visit code 99204
Established Patient
$71.32 typical visit price
range $18.45 – $141.36
Typical copayment $17.83 (range $4.61 – $35.34)
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 10

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

MICHAEL YU MD
Pediatrics
400 HARBORSIDE DRIVE, SUITE 201
GALVESTON, TX 77555
Galveston County (409) 974-6053
AAKASH HANS MD
Internal Medicine (Pulmonary Disease)
400 HARBORSIDE DRIVE
GALVESTON, TX 77555
Galveston County (409) 772-0750
PETER M CRAM MD
Internal Medicine
400 HARBORSIDE DRIVE
GALVESTON, TX 77555
Galveston County (409) 747-1883
DR. MUHAMMAD UMER ARIAN MD
Hospitalist
400 HARBORSIDE DRIVE
GALVESTON, TX 77555
Galveston County (409) 772-0750
BILAL AL KALAJI M.D.
Internal Medicine (Critical Care Medicine)
400 HARBORSIDE DRIVE
GALVESTON, TX 77555
Galveston County (409) 772-0750
RICHARD EARL RUPP MD
Pediatrics (Adolescent Medicine)
400 HARBORSIDE DRIVE, SUITE 120
GALVESTON, TX 77555
Galveston County (409) 747-7334
JOSE CARLOS ITURRIZAGA MURRIETA M.D.
Internal Medicine (Advanced Heart Failure and Transplant Cardiology)
400 HARBORSIDE DRIVE, STE 112
GALVESTON, TX 77555
Galveston County (409) 762-2328
WILLIAM LAWRENCE MIZE M.D.
Pediatrics
400 HARBORSIDE DRIVE
GALVESTON, TX 77555
Galveston County (409) 747-7334

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 Hasan Hammo's NPI number?

The NPI number for Hasan Hammo is 1407421118. It was assigned to this individual provider in the NPPES registry on May 25, 2021.

Where is Hasan Hammo located?

Hasan Hammo practices at 400 Harborside Drive Primary Care Pavillion (pcp) Suite 112, Galveston, TX 77555. The listed phone number is (409) 762-2328.

What is Hasan Hammo's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is Hasan Hammo enrolled in Medicare?

Yes. Hasan Hammo 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 Hasan Hammo's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Hasan Hammo reassigns Medicare benefits to Cook County (Ford Heights, IL). 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 Hasan Hammo's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Hasan Hammo affiliated with any hospitals?

According to CMS data, Hasan Hammo is affiliated with John H Stroger Jr Hospital and Provident Hospital Of Chicago.

When was this NPI record last updated?

The NPPES record for Hasan Hammo was last updated on June 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.