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MR. SPENCER EMERSON DEROS PA-C
NPI 1841915394
Physician Assistant - Surgical in Watertown, CT

Active since October 06, 2022PECOS EnrolledAccepts Medicare Assignment
595 STRAITS TPKE, WATERTOWN, CT 06795(844) 482-7285(203) 502-2615 Get Directions Write a Review

NPPES record last updated: June 16, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jun 16, 2025, Aug 15, 2023, Feb 16, 2023 and 2 more (5 updates tracked since 2022).

About Mr. Spencer Emerson Deros Pa-c NPPES

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

MR. SPENCER EMERSON DEROS PA-C (NPI 1841915394) is an individual surgical provider in Watertown, Connecticut and active in the NPI registry since October 2022. He is enrolled in Medicare PECOS, maintains a secondary practice location in Watertown, and is a graduate of Other (2022).

NPPES Registry Identity

NPI1841915394
Entity TypeIndividualMale
Primary Taxonomy363AS0400X
Provider Legal NameMR. SPENCER EMERSON DEROSCredential: PA-C
Location Address595 STRAITS TPKEWatertown, CT 06795-3393
Mailing Address22 Lisbon StWatertown, CT 06795-2669 · (860) 274-6653
Phone(844) 482-7285
Fax(203) 502-2615
Sole ProprietorNo
Medical School CMSOtherGraduated 2022
Enumeration DateOctober 6, 2022
Last NPPES UpdateJune 16, 20255 updates tracked since enumeration
NPPES CertifiedJune 16, 2025
✔ NPI 1841915394 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyPhysician Assistant · SurgicalPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363AS0400X
Also ListedInternal MedicineTaxonomy 207R00000X · License 5918 (CT)
Also ListedPhysician AssistantTaxonomy 363A00000X · License 5918 (CT)
595 STRAITS TPKE, Watertown, CT 06795
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Secondary Practice Location 1

Location 1560 Woodbury RdWatertown, CT 06795-1725 · Phone (860) 274-6748

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

Mr. Spencer Emerson Deros Pa-c 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 ID4284006115
PECOS Enrollment IDI20230202000933
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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
220 services172 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.
164 services143 patients

Other Providers at the Same Location NPPES

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

ANN-MARIE WILLIAMS PA-C
Physician Assistant (Surgical)
595 STRAITS TPKE
WATERTOWN, CT 06795
Naugatuck Valley Planning Region (844) 482-7285

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 Spencer Deros's NPI number?

The NPI number for Spencer Deros is 1841915394. It was assigned to this individual provider in the NPPES registry on October 6, 2022.

Where is Spencer Deros located?

Spencer Deros practices at 595 Straits Tpke, Watertown, CT 06795. The listed phone number is (844) 482-7285.

What is Spencer Deros's specialty?

The primary specialty registered for this NPI is Physician Assistant, specializing in Surgical, with taxonomy code 363AS0400X.

Is Spencer Deros enrolled in Medicare?

Yes. Spencer Deros 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.

When was this NPI record last updated?

The NPPES record for Spencer Deros was last updated on June 16, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months 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.