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DR. GOPEN NARAYAN MUKHERJEE MD
NPI 1457326431
Internal Medicine - Nephrology in Kissimmee, FL

Active since February 22, 2006PECOS Enrolled
1101 N CENTRAL AVE, KISSIMMEE, FL 34741(407) 851-5600(407) 438-9585 Get Directions Write a Review

NPPES record last updated: January 28, 2008. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Gopen Narayan Mukherjee Md NPPES

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

DR. GOPEN NARAYAN MUKHERJEE MD (NPI 1457326431) is an individual nephrology provider in Kissimmee, Florida, licensed in Florida (ME38450) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1457326431
Entity TypeIndividualMale
Primary Taxonomy207RN0300X
Provider Legal NameDR. GOPEN NARAYAN MUKHERJEECredential: MD
Location Address1101 N CENTRAL AVEKissimmee, FL 34741-4405
Mailing Address3885 Oakwater CirOrlando, FL 32806-6257 · (407) 851-5600 · Fax (407) 438-9585
Phone(407) 851-5600
Fax(407) 438-9585
Sole ProprietorNo
Enumeration DateFebruary 22, 2006
Last NPPES UpdateJanuary 28, 2008
✔ NPI 1457326431 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians
Taxonomy Code207RN0300X
License✔ Licensed in FL · ME38450
Definition
An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.
1101 N CENTRAL AVE, Kissimmee, FL 34741
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Other Identifiers 5

Medicare UPINC85670FL
Other696778FL · United Healthcare
Other2385475FL · Aetna
Other49049FL · Bc/bs
Medicare ID-Type Unspecified49049ZFL

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Gopen Narayan Mukherjee 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 Reassignments

2

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

Central Florida Kidney Specialists Inc
14 mi
Nephrology
3885 OAKWATER CIR
Orlando, FL 32806
  • Reassigned Medicare billing, Florida enrollment
  • 49 clinicians in this Medicare group
NPI 1346954138 (407) 816-5700
Nephrology Associates Of Central Florida, P.A.
26 mi
Nephrology
2180 W SR 434 STE 1164
Longwood, FL 32779
  • Reassigned Medicare billing, Florida enrollment
  • 70 clinicians in this Medicare group
NPI 1346297173 (407) 894-4693

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 34741 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 9

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

DR. MOHAMMAD T SIDDIQUI M.D.
Internal Medicine (Nephrology)
1101 N CENTRAL AVE
KISSIMMEE, FL 34741
Osceola County (407) 851-5600
DR. LUIS FERNANDO SANCHEZ RUSSO M.D
Internal Medicine (Nephrology)
1101 N CENTRAL AVE
KISSIMMEE, FL 34741
Osceola County (407) 933-2210
REJI RADHAKRISHNAN NAIR M.D.
Internal Medicine (Nephrology)
1101 N CENTRAL AVE
KISSIMMEE, FL 34741
Osceola County (407) 933-2210
DR. JORGE ANTONIO LARRANAGA MD
Internal Medicine (Nephrology)
1101 N CENTRAL AVE
KISSIMMEE, FL 34741
Osceola County (407) 851-5600
MS. JASCINTH BROWN ARNP
Nurse Practitioner (Family)
1101 N CENTRAL AVE
KISSIMMEE, FL 34741
Osceola County (407) 990-3635
DR. SAIF UR REHMAN MD
Internal Medicine (Nephrology)
1101 N CENTRAL AVE
KISSIMMEE, FL 34741
Osceola County (407) 933-2210
MIGUEL PORTOCARRERO MD
Internal Medicine (Nephrology)
1101 N CENTRAL AVE
KISSIMMEE, FL 34741
Osceola County (407) 933-2210
MS. KALEENA FRANCOIS PA-C
Physician Assistant (Medical)
1101 N CENTRAL AVE
KISSIMMEE, FL 34741
Osceola County (407) 933-2210

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 Gopen Mukherjee's NPI number?

The NPI number for Gopen Mukherjee is 1457326431. It was assigned to this individual provider in the NPPES registry on February 22, 2006.

Where is Gopen Mukherjee located?

Gopen Mukherjee practices at 1101 N Central Ave, Kissimmee, FL 34741. The listed phone number is (407) 851-5600.

What is Gopen Mukherjee's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Is Gopen Mukherjee enrolled in Medicare?

Yes. Gopen Mukherjee is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Gopen Mukherjee's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gopen Mukherjee reassigns Medicare benefits to 2 organizations: Central Florida Kidney Specialists Inc (Orlando, FL) and Nephrology Associates Of Central Florida, P.A. (Longwood, FL). 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 Gopen Mukherjee's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Gopen Mukherjee was last updated on January 28, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.