CAITLIN LOOMIS MD
NPI 1184868069
Psychiatry & Neurology - Neurology in New Haven, CT
About Caitlin Loomis Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CAITLIN LOOMIS MD (NPI 1184868069) is an individual neurology provider in New Haven, Connecticut, licensed in Connecticut (52819) and active in the NPI registry since April 2009. She is enrolled in Medicare PECOS, is affiliated with Westerly Hospital, and is a graduate of Perelman School Of Med At The University Of Pennsylvania (2009).
NPPES Registry Identity
Specialties & Licenses 2
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
Caitlin Loomis 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
2Medicare enrollment records show Caitlin Loomis reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
New Haven, CT 06519
- Reassigned Medicare billing, Connecticut enrollment
- Also billed through NPI 1093862740 (Connecticut)
- 3,728 clinicians in this Medicare group
Middletown, CT 06457
- Reassigned Medicare billing, Connecticut enrollment
- 178 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 5
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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Westerly Hospital
Acute Care Hospitals · Westerly, RIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 06520 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.
Other Providers at the Same Location NPPES 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
NEW HAVEN, CT 06520
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 Caitlin Loomis's NPI number?
The NPI number for Caitlin Loomis is 1184868069. It was assigned to this individual provider in the NPPES registry on April 23, 2009.
Where is Caitlin Loomis located?
Caitlin Loomis practices at 15 York St Lci 912, New Haven, CT 06520. The listed phone number is (203) 737-1057.
What is Caitlin Loomis's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.
Is Caitlin Loomis enrolled in Medicare?
Yes. Caitlin Loomis 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 Caitlin Loomis's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Caitlin Loomis reassigns Medicare benefits to 2 organizations: Yale University (New Haven, CT) and Middlesex Hospital (Middletown, CT). 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 Caitlin Loomis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Caitlin Loomis accept?
Health plans from Anthem Blue Cross and Blue Shield list Caitlin Loomis 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 Caitlin Loomis affiliated with any hospitals?
According to CMS data, Caitlin Loomis is affiliated with Westerly Hospital.
When was this NPI record last updated?
The NPPES record for Caitlin Loomis was last updated on April 29, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.
# Caitlin Loomis, MD · NPI 1184868069
Neurology physician in New Haven, Connecticut. Individual provider, active in the CMS NPPES registry since April 23, 2009.
## Identity
- **NPI:** 1184868069 (Entity type: Individual)
- **Enumerated:** April 23, 2009
- **Primary specialty:** Psychiatry & Neurology - Neurology · taxonomy 2084N0400X
- **State license:** 52819 (Connecticut)
- **Sole proprietor:** No
## Practice location
- **Address:** 15 YORK ST, LCI 912, New Haven, CT 06520
- **Phone:** (203) 737-1057 · **Fax:** (203) 737-4382
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Yale University (NPI 1124148887, New Haven, CT); Middlesex Hospital (NPI 1972563138, Middletown, CT) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Perelman School Of Med At The University Of Pennsylvania, class of 2009
## Record status
- **NPPES last updated:** April 29, 2015
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Source: [NPI Profile](https://npiprofile.com/npi/1184868069) · Data from the CMS NPPES public registry.