DR. GNANA S SIMON MD
NPI 1144519356
Anesthesiology in Waterbury, CT
About Dr. Gnana S Simon Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. GNANA S SIMON MD (NPI 1144519356) is an individual anesthesiology provider in Waterbury, Connecticut, licensed in New Jersey (25MA09894500) and active in the NPI registry since March 2011. She is enrolled in Medicare PECOS and is a graduate of Albany Medical College Of Union University (2011).
NPPES Registry Identity
Specialties & Licenses
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
Dr. Gnana S Simon 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 Reassignments
7Medicare enrollment records show Gnana Simon reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Hackensack, NJ 07601
- Reassigned Medicare billing, New Jersey enrollment
- 781 clinicians in this Medicare group
Elmwood Park, NJ 07407
- Reassigned Medicare billing, New Jersey enrollment
- 15 clinicians in this Medicare group
Livingston, NJ 07039
- Reassigned Medicare billing, New Jersey enrollment
- 39 clinicians in this Medicare group
Livingston, NJ 07039
- Reassigned Medicare billing, New Jersey enrollment
- 1,913 clinicians in this Medicare group
Shrewsbury, NJ 07702
- Reassigned Medicare billing, New Jersey enrollment
- 396 clinicians in this Medicare group
Somerset, NJ 08873
- Reassigned Medicare billing, New Jersey enrollment
- 1,557 clinicians in this Medicare group
East Brunswick, NJ 08816
- Reassigned Medicare billing, New Jersey enrollment
- 121 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 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.
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.
Reported Quality Measures
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.
WATERBURY, CT 06708
WATERBURY, CT 06708
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 Gnana Simon's NPI number?
The NPI number for Gnana Simon is 1144519356. It was assigned to this individual provider in the NPPES registry on March 29, 2011.
Where is Gnana Simon located?
Gnana Simon practices at 64 Robbins St Room #3304, Waterbury, CT 06708. The listed phone number is (203) 573-6574.
What is Gnana Simon's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Gnana Simon enrolled in Medicare?
Yes. Gnana Simon 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 organizations bill Medicare for Gnana Simon's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gnana Simon reassigns Medicare benefits to 7 organizations: New Jersey Healthcare Specialists PC (Hackensack, NJ), Leonid Lamper MD PC (Elmwood Park, NJ), Resolute Perioperative Services LLC (Livingston, NJ), Rwjbh Observation Associates LLC (Livingston, NJ), Shrewsbury Ambulatory Anesthesia LLC (Shrewsbury, NJ) and 2 more organizations, listed in the Medicare section above. Each 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 Gnana Simon's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Gnana Simon accept?
Health plans from Oscar Health list Gnana Simon 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 Gnana Simon was last updated on July 11, 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.
# Dr. Gnana S Simon, MD · NPI 1144519356
Anesthesiology physician in Waterbury, Connecticut. Individual provider, active in the CMS NPPES registry since March 29, 2011.
## Identity
- **NPI:** 1144519356 (Entity type: Individual)
- **Enumerated:** March 29, 2011
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 25MA09894500 (New Jersey)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 64 ROBBINS ST, ROOM #3304, Waterbury, CT 06708-2613
- **Phone:** (203) 573-6574 · **Fax:** (203) 573-6213
## 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:** 7 organizations under Medicare reassignment (form CMS-855R): New Jersey Healthcare Specialists PC (NPI 1174585780, Hackensack, NJ); Leonid Lamper MD PC (NPI 1659687903, Elmwood Park, NJ); Resolute Perioperative Services LLC (NPI 1114686326, Livingston, NJ); Rwjbh Observation Associates LLC (NPI 1760095806, Livingston, NJ); Shrewsbury Ambulatory Anesthesia LLC (NPI 1356691885, Shrewsbury, NJ); and 2 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Albany Medical College Of Union University, class of 2011
## Record status
- **NPPES last updated:** July 11, 2016
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Source: [NPI Profile](https://npiprofile.com/npi/1144519356) · Data from the CMS NPPES public registry.