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DR. AJAY K SINGH MD
NPI 1376551382
Internal Medicine - Nephrology in Boston, MA

Active since August 04, 2006PECOS EnrolledAccepts Medicare Assignment
75 FRANCIS STREET, BRIGHAM AND WOMENS HOSPITAL RENAL DIVISION, BOSTON, MA 02115(617) 732-5951 Get Directions Write a Review

NPPES record last updated: April 20, 2012. Verified against the NPPES registry weekly; last sync: August 23, 2026.

About Dr. Ajay K Singh Md NPPES

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

DR. AJAY K SINGH MD (NPI 1376551382) is an individual nephrology provider in Boston, Massachusetts, licensed in Massachusetts (71991) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with Brigham And Women's Hospital, and is a graduate of Other (1984).

NPPES Registry Identity

NPI1376551382
Entity TypeIndividualMale
Primary Taxonomy207RN0300X
Provider Legal NameDR. AJAY K SINGHCredential: MD
Location Address75 FRANCIS STREET, BRIGHAM AND WOMENS HOSPITAL RENAL DIVISIONBoston, MA 02115
Mailing Address75 Francis Street, Brigham And Womens Hospital Renal DivisionBoston, MA 02115 · (617) 732-5951 · Fax (617) 732-6392
Phone(617) 732-5951
Sole ProprietorNo
Medical School CMSOtherGraduated 1984
Enumeration DateAugust 4, 2006
Last NPPES UpdateApril 20, 2012
✔ NPI 1376551382 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 MA · 71991
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.
75 FRANCIS STREET, Boston, MA 02115
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.Insurance ›

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. Ajay K Singh Md 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 ID6204875131
PECOS Enrollment IDI20050429000021
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 2

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.

Hemodialysis procedure with physician evaluation 90935
Hemodialysis is a treatment that uses a machine to filter waste and excess fluid from your blood when your kidneys can't. A physician checks your health before, during, and after the procedure to ensure it's working effectively for you.
60 services28 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.
17 services11 patients

Hospital Affiliations CMS Care Compare

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

Brigham And Women's Hospital

Acute Care Hospitals · Boston, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220110
Location75 Francis StreetBoston, MA 02115 · Suffolk County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02115 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
$144.11 typical visit price
range $63.72 – $189.86
Typical copayment $36.02 (range $15.93 – $47.46)
Most-billed visit code 99204
Established Patient
$111.18 typical visit price
range $21.07 – $155.29
Typical copayment $27.79 (range $5.26 – $38.82)
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 20

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

JIA CHENG YAO M.D.
Student in an Organized Health Care Education/Training Program
75 FRANCIS STREET
BOSTON, MA 02115
Suffolk County (517) 732-5500
MR. FADI HABBAB MD
Radiology (Diagnostic Radiology)
75 FRANCIS STREET, BRIGHAM AND WOMENS HOSPITAL RADIOLOGY DEPT
BOSTON, MA 02115
Suffolk County (617) 732-6273
MRS. LEAH RAE PRAGER PA-C, MPH
Physician Assistant
75 FRANCIS STREET
BOSTON, MA 02115
Suffolk County (617) 732-6819
MICHAEL SEAN NURMSOO M.D.
Radiology (Diagnostic Radiology)
75 FRANCIS STREET
BOSTON, MA 02115
Suffolk County (617) 732-5500
ALISA B GOLDBERG MD MPH
Obstetrics & Gynecology
75 FRANCIS STREET, WOMENS HEALTH DEPARTMENT OBGYN
BOSTON, MA 02115
Suffolk County (617) 732-8625
DAVID WESTFALL BATES MD
Internal Medicine
75 FRANCIS STREET, BRIGHAM INTERNAL MEDICINE ASSOCIATES
BOSTON, MA 02115
Suffolk County (617) 732-7063
ASHLEY HARALSON VERNON MD
Surgery
75 FRANCIS STREET, BRIGHAM AND WOMEN'S HOSPITAL DIVISION OF GENERAL AND GA
BOSTON, MA 02115
Suffolk County (617) 732-8710
LINDSAY FAYE PARONICH PA-C
Physician Assistant
75 FRANCIS STREET
BOSTON, MA 02115
Suffolk County (617) 732-8064

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 Ajay Singh's NPI number?

The NPI number for Ajay Singh is 1376551382. It was assigned to this individual provider in the NPPES registry on August 4, 2006.

Where is Ajay Singh located?

Ajay Singh practices at 75 Francis Street Brigham And Womens Hospital Renal Division, Boston, MA 02115. The listed phone number is (617) 732-5951.

What is Ajay Singh's specialty?

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

Is Ajay Singh enrolled in Medicare?

Yes. Ajay 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.

What insurance does Ajay Singh accept?

Health plans from Anthem Blue Cross and Blue Shield list Ajay Singh as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Ajay Singh affiliated with any hospitals?

According to CMS data, Ajay Singh is affiliated with Brigham And Women's Hospital.

When was this NPI record last updated?

The NPPES record for Ajay Singh was last updated on April 20, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.