DR. NIDHI AKHILESHWAR SINGH M.D.
NPI 1356501373
Internal Medicine - Gastroenterology in Chicago, IL

Active since June 12, 2008PECOS EnrolledAccepts Medicare Assignment
94.1/100
CMS Quality Rating
259 E ERIE ST, SUITE 2350, CHICAGO, IL 60611(312) 926-6000(312) 926-6323 Get Directions Write a Review

NPPES record last updated: May 16, 2016. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Nidhi Akhileshwar Singh M.d. NPPES

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

DR. NIDHI AKHILESHWAR SINGH M.D. (NPI 1356501373) is an individual gastroenterology provider in Chicago, Illinois, licensed in Illinois (036-112449) and active in the NPI registry since June 2008. She is enrolled in Medicare PECOS, is affiliated with Northwestern Memorial Hospital, and is a graduate of Northeastern Ohio University College Of Medicine (2002).

NPPES Registry Identity

NPI1356501373
Entity TypeIndividualFemale
Primary Taxonomy207RG0100X
Provider Legal NameDR. NIDHI AKHILESHWAR SINGHCredential: M.D.
Location Address259 E ERIE ST, SUITE 2350Chicago, IL 60611-2987
Mailing Address259 E Erie St, Suite 2350Chicago, IL 60611-2987 · (312) 926-6000 · Fax (312) 926-6323
Fax(312) 926-6323
Sole ProprietorNo
Medical School CMSNortheastern Ohio University College Of MedicineGraduated 2002
Enumeration DateJune 12, 2008
Last NPPES UpdateMay 16, 2016
NPI 1356501373 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 IL · 036-112449
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.
259 E ERIE ST, Chicago, IL 60611

Other Identifiers 1

Other036112449IL · Il Lic

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Nidhi Akhileshwar Singh M.d. 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 ID6608942776
PECOS Enrollment IDI20080915000278
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.

Areas of Expertise CMS Part B claims 8

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.

Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385
This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.
77 services76 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
66 services61 patients
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239
This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.
45 services44 patients
Biopsy of large bowel using a flexible endoscope 45380
A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.
44 services43 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.
24 services24 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
20 services20 patients

Hospital Affiliations CMS Care Compare

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

Northwestern Memorial Hospital

Acute Care Hospitals · Chicago, IL
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140281
Location251 E Huron StChicago, IL 60611 · Cook County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60611 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
$138.86 typical visit price
range $60.08 – $183.39
Typical copayment $34.71 (range $15.02 – $45.84)
Most-billed visit code 99204
Established Patient
$105.70 typical visit price
range $18.97 – $148.12
Typical copayment $26.42 (range $4.74 – $37.03)
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

94.1/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality82.59
Promoting Interoperability100
Improvement Activities40

Other Providers at the Same Location NPPES 20

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

Internal Medicine
259 E ERIE ST, SUITE 2230
CHICAGO, IL 60611
Orthopaedic Surgery (Sports Medicine)
259 E ERIE ST, 13TH FLOOR
CHICAGO, IL 60611
Nurse Practitioner (Family)
259 E ERIE ST
CHICAGO, IL 60611
Internal Medicine
259 E ERIE ST, STE 2230
CHICAGO, IL 60611
Podiatrist
259 E ERIE ST, SUITE 2230
CHICAGO, IL 60611
Orthopaedic Surgery
259 E ERIE ST, 13TH FLOOR
CHICAGO, IL 60611
Orthopaedic Surgery
259 E ERIE ST, 13TH FLOOR
CHICAGO, IL 60611
Nurse Practitioner (Gerontology)
259 E ERIE ST
CHICAGO, IL 60611

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 Nidhi Singh's NPI number?

The NPI number for Nidhi Singh is 1356501373. It was assigned to this individual provider in the NPPES registry on June 12, 2008.

Where is Nidhi Singh located?

Nidhi Singh practices at 259 E Erie St Suite 2350, Chicago, IL 60611. The listed phone number is (312) 926-6000.

What is Nidhi Singh's specialty?

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

Is Nidhi Singh enrolled in Medicare?

Yes. Nidhi Singh 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.

Is Nidhi Singh affiliated with any hospitals?

According to CMS data, Nidhi Singh is affiliated with Northwestern Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Nidhi Singh was last updated on May 16, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.