DR. SACHI SINGHAL MD
NPI 1730708181
Internal Medicine - Hematology & Oncology in Providence, RI

NPI Status: Active since April 15, 2020

Contact Information

593 EDDY ST
PROVIDENCE, RI
ZIP 02903
Phone: (401) 444-5435
Fax: (401) 444-8301

NPI Profile Information
Primary Taxonomy
Secondary Taxonomies
Secondary Locations
NPI Validation
Other Providers Same Location
Frequently Asked Questions

Individual
Female
Internal Medicine
Hematology & Oncology

About SACHI SINGHAL

This page provides the complete NPI Profile along with additional information for Sachi Singhal, an internist established in Providence, Rhode Island with a medical specialization in Internal Medicine, focusing in hematology & oncology . The healthcare provider is registered in the NPI registry with number 1730708181 assigned on April 2020. The practitioner's primary taxonomy code is 207RH0003X with license number MD21179 (RI). The provider is registered as an individual and her NPI record was last updated April 2026.

NPI: 1730708181
Provider Name: DR. SACHI SINGHAL MD
Gender: Female
Entity Type: Individual
Location Address: 593 EDDY ST PROVIDENCE, RI 02903
Location Phone: (401) 444-5435
Location Fax: (401) 444-8301
Mailing Address: 15 LA SALLE SQ PROVIDENCE, RI 02903
Mailing Phone: (401) 444-6779
Mailing Fax: (401) 444-8301
Is Sole Proprietor?: No
Enumeration Date: 04-15-2020
Last Update Date: 04-27-2026
Code Navigator

An internist like Sachi Singhal is a physician who has completed an internal medicine residency and is board-certified or board-eligible in an internist specialty. Internists are trained to care for adults of all ages for many different medical conditions. An internist typically monitors chronic physical conditions, identifies acute diseases, provides family planning, provides counseling about wellness and disease prevention, etc.

Location Map

Secondary Locations

1 Medical Center Blvd
Chester, PA 19013
(610) 447-2000
164 Summit Ave
Providence, RI 02906
(401) 793-2920

Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification: Internal Medicine Hematology & Oncology
Taxonomy Code: 207RH0003X
Type: Allopathic & Osteopathic Physicians
License No.: MD21179
License State: RI
Taxonomy Description: An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No.	Taxonomy Code	Type	Classification / Specialization	License No. (State)
1	390200000X	Student, Health Care	Student in an Organized Health Care Education/Training Program

NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1730708181, we treat the final digit (1) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 59. The final step is to find the difference between that total and the next multiple of ten (60 - 59 = 1).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1

Doubled → 2

Pos 2

Unchanged

Pos 3

Doubled → 6

Pos 4

Unchanged

Pos 5

Doubled → 14 → 1 + 4

Pos 6

Unchanged

Pos 7

Doubled → 16 → 1 + 6

Pos 8

Unchanged

Pos 9

Doubled → 16 → 1 + 6

Check

Target digit

Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 3 → 6 7 → 14 → 5 8 → 16 → 7 8 → 16 → 7