DR. GANGACHARAN R. DUBEY (M.D.) – Pulmonary Disease Physician, NPI 1477547669

DR. GANGACHARAN R. DUBEY (M.D.) is a healthcare provider. based in Brooklyn, New York. specializing in INTERNAL MEDICINE, PULMONARY DISEASE, CRITICAL CARE (INTENSIVISTS). They hold the professional credentials M.D.. They hold a License No. 208687-1 (NY). The NPI Number for DR. GANGACHARAN R. DUBEY (M.D.) is 1477547669

Main info

Male
49 Years Of Experience
Accepts Medicare Assignment
Name
DR. GANGACHARAN R. DUBEY (M.D.)
NPI
1477547669
Phone
(718) 270-8867
Address
450 CLARKSON AVE
Enumeration Date
2 September 2005
Last Update Date
13 July 2007

Doctor Profile

Medical School Name
OTHER
Secondary Phone
7186165356
Graduation Year
1977 (49 years ago)
PAC ID
0547283822
Group Practice PAC ID
4688098833
Professional Enrollment ID
I20060112000720
Address ID
NY112357745BR2601XPKWY300
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience54
Completeness75
Years active:20State licenses:1Digital endpointsOther names

18,056 INTERNAL MEDICINE in NY

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Provider Addresses for DR. GANGACHARAN R. DUBEY (M.D.)

  • 450, Clarkson Avenue, Brooklyn Community District 17, Brooklyn, Kings County, New York, 11203, United States

    BOX 1262

    BROOKLYN, NY 112032056

    Phone: (718) 270-8867

    Fax: (718) 270-1794

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2006-01-12

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20060112000720IPulmonary DiseaseNYTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
99291Critical care, first 30-74 minutes137127$0
36556Insertion of non-tunneled central venous tube for infusion (5 years or older)2624$0
View full utilization report →

Insurance plans in this area (ZIP 11203)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 4688098833View full group profile
NameSpecialtyState
Interventional Cardiology, Cardiovascular Disease (Cardiology)TX
Emergency MedicineNY
Psychiatry, Geriatric PsychiatryNY
Hospice/Palliative Care, Internal MedicineNY
Certified Registered Nurse Anesthetist (Crna)FL
Diagnostic RadiologyPA
Gastroenterology, Internal MedicineNY
Internal MedicineNY
Emergency MedicineCA
Orthopedic SurgeryNY

Reviews

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Frequently asked questions

Is there an official ID for DR. GANGACHARAN R. DUBEY (M.D.) in U.S. healthcare records?
The official identifier for DR. GANGACHARAN R. DUBEY (M.D.) is NPI 1477547669.
Is there an active status for DR. GANGACHARAN R. DUBEY (M.D.)?
For scheduling context, DR. GANGACHARAN R. DUBEY (M.D.) is shown as active in the registry.
What expertise is attributed to DR. GANGACHARAN R. DUBEY (M.D.)?
DR. GANGACHARAN R. DUBEY (M.D.)'s specialty line reads Pulmonary Disease Physician. Clinical services aligned with this taxonomy classification.
Where in New York is DR. GANGACHARAN R. DUBEY (M.D.) registered?
Use Brooklyn, New York as the headline location for DR. GANGACHARAN R. DUBEY (M.D.) here.
What does 2 location(s) imply?
2 practice locations appear in the available data.

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