MAHMUDUL HAQ M.D.
NPI 1619911146
Internal Medicine - Gastroenterology in Orlando, FL

Q: What is Mahmudul Haq's NPI number?

The NPI number for Mahmudul Haq is 1619911146. It was assigned to this individual provider in the NPPES registry on June 15, 2006.

Q: What is Mahmudul Haq's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Q: When was this NPI record last updated?

The NPPES record for Mahmudul Haq was last updated on December 1, 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.

Active since June 15, 2006PECOS Enrolled

1648 DERBY GLEN DR, ORLANDO, FL 32837(407) 760-4598 Get Directions Write a Review

NPPES record last updated: December 1, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Dec 1, 2021, Jul 26, 2021 (2 updates tracked since 2021).

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About Mahmudul Haq M.d. NPPES

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

MAHMUDUL HAQ M.D. (NPI 1619911146) is an individual gastroenterology provider in Orlando, Florida, licensed in Florida (ME87452) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Uf Health Leesburg Hospital, and is a graduate of Other (1993).

NPPES Registry Identity

NPI1619911146

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameMAHMUDUL HAQCredential: M.D.

Location Address1648 DERBY GLEN DROrlando, FL 32837-8131

Mailing Address1648 Derby Glen DrOrlando, FL 32837-8131 · (407) 760-4598

Phone(407) 760-4598

Sole ProprietorYes

Medical School CMSOtherGraduated 1993

Enumeration DateJune 15, 2006

Last NPPES UpdateDecember 1, 20212 updates tracked since enumeration

NPPES CertifiedDecember 1, 2021

✔ NPI 1619911146 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

License✔ Licensed in FL · ME87452

Definition

An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

1648 DERBY GLEN DR, Orlando, FL 32837

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Other Identifiers 1

Medicaid109396000FL

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mahmudul Haq M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID5597928010

PECOS Enrollment IDI20120521000463

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

Clinical Gi And Hepatology Services LLC

Same address

Gastroenterology

1648 DERBY GLEN DR
Orlando, FL 32837

Reassigned Medicare billing, Florida enrollment

NPI 1972039345 (407) 760-4598

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 4

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

1,399 services100 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

93 services91 patients

Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 99309

A follow-up nursing facility visit per day is a daily check-in by a healthcare professional. This 25-minute visit typically involves monitoring your health progress, addressing any concerns, and adjusting treatment plans as necessary. It's a vital part of ensuring your ongoing wellbeing.

47 services26 patients

Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes 99305

An initial nursing facility visit per day is a service where a healthcare professional spends about 35 minutes assessing a patient's health status. This includes reviewing medical history, conducting a physical exam, and developing a care plan based on the patient's needs.

30 services29 patients

Hospital Affiliations CMS Care Compare 2

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

Uf Health Leesburg Hospital

Acute Care Hospitals · Leesburg, FL

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number100084

Location600 E Dixie AveLeesburg, FL 34748 · Lake County

Emergency services Birthing friendly

Marion Communtiy Hospital

Acute Care Hospitals · Ocala, FL

1/5 CMS rating

OwnershipProprietary

CMS Certification Number100212

Location1431 SW 1st AveOcala, FL 34471 · Marion County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 32837 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.

Other Providers at the Same Location NPPES

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

CLINICAL GI AND HEPATOLOGY SERVICES LLC

Internal Medicine (Gastroenterology)

1648 DERBY GLEN DR
ORLANDO, FL 32837

Orange County (407) 760-4598

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 Mahmudul Haq's NPI number?

The NPI number for Mahmudul Haq is 1619911146. It was assigned to this individual provider in the NPPES registry on June 15, 2006.

Where is Mahmudul Haq located?

Mahmudul Haq practices at 1648 Derby Glen Dr, Orlando, FL 32837. The listed phone number is (407) 760-4598.

What is Mahmudul Haq's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Mahmudul Haq enrolled in Medicare?

Yes. Mahmudul Haq is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Mahmudul Haq's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mahmudul Haq reassigns Medicare benefits to Clinical Gi And Hepatology Services LLC (Orlando, 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 Mahmudul Haq's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Mahmudul Haq affiliated with any hospitals?

According to CMS data, Mahmudul Haq is affiliated with Uf Health Leesburg Hospital and Marion Communtiy Hospital.

When was this NPI record last updated?

The NPPES record for Mahmudul Haq was last updated on December 1, 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.