DR. SUJATA A OAK (MD) – Internal Medicine Physician, NPI 1275503849

DR. SUJATA A OAK (MD) is a healthcare provider. based in St charles, Illinois. specializing in Internal Medicine Physician. They hold the professional credentials MD. The NPI Number for DR. SUJATA A OAK (MD) is 1275503849

Main info

Female
Name
DR. SUJATA A OAK (MD)
NPI
1275503849
Phone
(630) 513-1359
Address
813 STEEPLECHASE RD
Enumeration Date
25 January 2006
Last Update Date
8 July 2007
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience45
Completeness75
Years active:20State licenses:0Digital endpointsOther names

Loading map...

Provider Addresses for DR. SUJATA A OAK (MD)

  • 813 STEEPLECHASE RD

    ST CHARLES, IL 60174

    Phone: (630) 513-1359

    Type: Mailing

  • Health Service Center, Lucinda Avenue, DeKalb, DeKalb County, Illinois, 60115, United States

    NORTHERN ILLINOIS UNIVERSITY

    DEKALB, IL 60115

    Phone: (815) 753-1311

    Fax: (815) 753-9599

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

Loading prescription activity...

Open Payments (CMS)

CMS reports 24 Open Payments records for all available years, with a total value of $32,701.

Total Amount is formed as General ($32,701) + Research ($0) + Ownership ($0) = $32,701.

Last reported payment date: 2024-06-10 • Largest payer in this snapshot: Takeda Pharmaceuticals U.S.A., Inc. ($32,701).

Total Amount

$32,701

General + Research + Ownership

Payments

24

Total payment records

General Amount

$32,701

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-06-10

Latest reported date

Top Companies

Largest payers in this snapshot

View all Open Payments →|Open Payments Risk Radar →

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

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

No Medicare enrollment or revalidation data available for this provider in our database.

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.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 60174)

Loading plans...

Reviews

All reviews are moderated before publication. Reviews reflect users' opinions; we do not verify the accuracy of individual reviews.

No reviews yet. Be the first to share your experience — your opinion helps families compare providers.

Frequently asked questions

Does DR. SUJATA A OAK (MD) share an NPI with anyone else?
NPI numbers are unique to each provider or organization — DR. SUJATA A OAK (MD) uses 1275503849.
Is DR. SUJATA A OAK (MD) still practicing?
DR. SUJATA A OAK (MD) is currently listed as active in the public NPI registry.
What healthcare role does DR. SUJATA A OAK (MD) hold?
Scheduling teams often label DR. SUJATA A OAK (MD) under Internal Medicine Physician. Clinical services aligned with this taxonomy classification.
What address line appears for DR. SUJATA A OAK (MD)?
DR. SUJATA A OAK (MD)'s geographic hint is St Charles, Illinois in our summary view.
How many locations tie to this NPI?
2 practice locations appear in the available data.

Similar Providers

VIVIAN S VANROEKEL (M.D.)

Internal Medicine Physician
Foxfield Road, Surrey Woods, St. Charles, Kane County, Illinois, 60174, United States of America
NPI: 1487657524

SCOTT DUNCAN MCNAUGHTON (M.D.)

Internal Medicine Physician
2900, Foxfield Road, Surrey Woods, St. Charles, Kane County, Illinois, 60174, United States
NPI: 1073510335

DR. ZBIGNIEW M CIECHANOWSKI (M.D.)

Internal Medicine Physician
2020, Dean Street, St. Charles, Kane County, Illinois, 60175, United States
NPI: 1467452573

MS. CATHERINE SABU THOMAS (M.D.)

Internal Medicine Physician
2570, Foxfield Road, Surrey Woods, St. Charles, Kane County, Illinois, 60174, United States
NPI: 1295785756

DR. DARRYL V. LINK (M.D.)

Pediatrics Physician
1860 PAYSHERE CIRCLE
NPI: 1144272824

WILLIAM B. HANAFORD, M.D., LTD.

Internal Medicine Physician
1875 DEMPSTER ST STE 601
NPI: 1770597759

LORI A ZIMMERS (M.D.)

Internal Medicine Physician
2900, Foxfield Road, Surrey Woods, St. Charles, Kane County, Illinois, 60174, United States
NPI: 1588734818

GREATER VALLEY MEDICINE

Internal Medicine Physician
2900, Foxfield Road, Surrey Woods, St. Charles, Kane County, Illinois, 60174, United States
NPI: 1861562175