REETU SINGH MD
NPI 1275534737
Internal Medicine - Endocrinology, Diabetes & Metabolism in Lewes, DE
About Reetu Singh Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
REETU SINGH MD (NPI 1275534737) is an individual endocrinology, diabetes & metabolism provider in Lewes, Delaware, licensed in Delaware (C1-00006874) and active in the NPI registry since August 2005. She is enrolled in Medicare PECOS and is a graduate of Other (1995).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Reetu 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.
Medicare Billing Reassignment
Medicare enrollment records show Reetu Singh reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Rehoboth Beach, DE 19971
- Reassigned Medicare billing, Delaware enrollment
- 6 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 13
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 19958 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
Referred Medical Equipment & Supplies CMS DME claims 8
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Reetu Singh's NPI number?
The NPI number for Reetu Singh is 1275534737. It was assigned to this individual provider in the NPPES registry on August 9, 2005.
Where is Reetu Singh located?
Reetu Singh practices at 34381 Carpenters Way, Lewes, DE 19958. The listed phone number is (302) 644-7201.
What is Reetu Singh's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.
Is Reetu Singh enrolled in Medicare?
Yes. Reetu 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.
Which organization bills Medicare for Reetu Singh's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Reetu Singh reassigns Medicare benefits to Sussex Pulmonary And Endocrine Consultants, PA (Rehoboth Beach, DE). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Reetu Singh's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Reetu Singh accept?
Health plans from Highmark Blue Cross Blue Shield Delaware list Reetu 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.
When was this NPI record last updated?
The NPPES record for Reetu Singh was last updated on January 23, 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.
# Reetu Singh, MD · NPI 1275534737
Endocrinology, Diabetes & Metabolism physician in Lewes, Delaware. Individual provider, active in the CMS NPPES registry since August 9, 2005.
## Identity
- **NPI:** 1275534737 (Entity type: Individual)
- **Enumerated:** August 9, 2005
- **Primary specialty:** Internal Medicine - Endocrinology, Diabetes & Metabolism · taxonomy 207RE0101X
- **State license:** C1-00006874 (Delaware)
- **Sole proprietor:** No
## Practice location
- **Address:** 34381 CARPENTERS WAY, Lewes, DE 19958-4910
- **Phone:** (302) 644-7201 · **Fax:** (302) 644-7218
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Sussex Pulmonary And Endocrine Consultants, PA (NPI 1730355678, Rehoboth Beach, DE), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1995
## Record status
- **NPPES last updated:** January 23, 2012
- **Other identifiers:** Medicaid 207RE0101X (DE); Medicare UPIN H90021; Medicare PIN 136312ZBJR (DE)
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Source: [NPI Profile](https://npiprofile.com/npi/1275534737) · Data from the CMS NPPES public registry.