1. Home
  2. Directory
  3. Florida
  4. Crystal River
  5. Internal Medicine
  6. NPI Profile

MAHROUS ABO-HASSAN MD
NPI 1114335023
Internal Medicine - Pulmonary Disease in Crystal River, FL

Active since July 24, 2014PECOS EnrolledAccepts Medicare Assignment
1550 N SHOCKLEY LP, CRYSTAL RIVER, FL 34429(352) 795-1999(352) 795-2269 Get Directions Write a Review

NPPES record last updated: March 26, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Mar 26, 2026, Feb 19, 2019, Jul 3, 2017 (3 updates tracked since 2017).

About Mahrous Abo-hassan Md NPPES

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

MAHROUS ABO-HASSAN MD (NPI 1114335023) is an individual pulmonary disease provider in Crystal River, Florida, licensed in Florida (ME156350) and active in the NPI registry since July 2014. He is enrolled in Medicare PECOS, is affiliated with Hca Florida Citrus Hospital, and is a graduate of Other (2004).

NPPES Registry Identity

NPI1114335023
Entity TypeIndividualMale
Primary Taxonomy207RP1001X
Provider Legal NameMAHROUS ABO-HASSANCredential: MD
Location Address1550 N SHOCKLEY LPCrystal River, FL 34429
Mailing Address1550 N Shockley LoopCrystal River, FL 34429-7816 · (352) 795-1999 · Fax (352) 795-2269
Phone(352) 795-1999
Fax(352) 795-2269
Sole ProprietorNo
Medical School CMSOtherGraduated 2004
Enumeration DateJuly 24, 2014
Last NPPES UpdateMarch 26, 20263 updates tracked since enumeration
NPPES CertifiedMarch 26, 2026
✔ NPI 1114335023 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Pulmonary DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RP1001X
License✔ Licensed in FL · ME156350
Definition
An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.
Also ListedInternal MedicineTaxonomy 207R00000X · License 35.130399 (OH)
Also ListedHospitalistTaxonomy 208M00000X · License 35.130399 (OH)
1550 N SHOCKLEY LP, Crystal River, FL 34429
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Ambetter of Alabama, Florida Blue (BlueCross BlueShield FL) and more.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

Mahrous Abo-hassan 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 ID4587966296
PECOS Enrollment IDI20250917004417
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 Mahrous Abo-hassan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Manoj B Shukla MD PA
Same address
Pulmonary Disease
1550 N SHOCKLEY LOOP
Crystal River, FL 34429
  • Reassigned Medicare billing, Florida enrollment
  • 10 clinicians in this Medicare group
NPI 1750318192 (352) 795-1999

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 4

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

Hca Florida Citrus Hospital

Acute Care Hospitals · Inverness, FL
2/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number100023
Location502 W Highland BlvdInverness, FL 34452 · Citrus County
Emergency services Birthing friendly

Tampa General Hospital Brooksville

Acute Care Hospitals · Brooksville, FL
1/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number100071
Location17240 Cortez BlvdBrooksville, FL 34601 · Hernando County
Emergency services Birthing friendly

Tampa General Hospital Crystal River

Acute Care Hospitals · Crystal River, FL
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number100249
Location6201 N Suncoast BlvdCrystal River, FL 34428 · Citrus County

Hca Florida Oak Hill Hospital

Acute Care Hospitals · Brooksville, FL
3/5 CMS rating
OwnershipProprietary
CMS Certification Number100264
Location11375 Cortez BlvdBrooksville, FL 34613 · Hernando County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 34429 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
$130.04 typical visit price
range $56.00 – $171.84
Typical copayment $32.51 (range $14.00 – $42.96)
Most-billed visit code 99204
Established Patient
$99.16 typical visit price
range $17.57 – $139.16
Typical copayment $24.79 (range $4.39 – $34.79)
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.

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
2 suppliers17 claims17 services$15.00 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
2 suppliers17 claims17 services$71.62 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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 Mahrous Abo-hassan's NPI number?

The NPI number for Mahrous Abo-hassan is 1114335023. It was assigned to this individual provider in the NPPES registry on July 24, 2014.

Where is Mahrous Abo-hassan located?

Mahrous Abo-hassan practices at 1550 N Shockley LP, Crystal River, FL 34429. The listed phone number is (352) 795-1999.

What is Mahrous Abo-hassan's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Is Mahrous Abo-hassan enrolled in Medicare?

Yes. Mahrous Abo-hassan 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 Mahrous Abo-hassan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mahrous Abo-hassan reassigns Medicare benefits to Manoj B Shukla MD PA (Crystal River, FL). 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 Mahrous Abo-hassan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mahrous Abo-hassan accept?

Health plans from Ambetter Health, Ambetter of Alabama, Florida Blue (BlueCross BlueShield FL), Florida Blue HMO (a BlueCross BlueShield FL company) and Oscar Health Maintenance Organization of Florida list Mahrous Abo-hassan 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 Mahrous Abo-hassan affiliated with any hospitals?

According to CMS data, Mahrous Abo-hassan is affiliated with Hca Florida Citrus Hospital, Tampa General Hospital Brooksville, Tampa General Hospital Crystal River and Hca Florida Oak Hill Hospital.

When was this NPI record last updated?

The NPPES record for Mahrous Abo-hassan was last updated on March 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.