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RICHARD GORDON NELLIS PA-C
NPI 1649438516
Physician Assistant in Darien, CT

Active since May 28, 2008PECOS EnrolledAccepts Medicare Assignment
104 HEIGHTS RD # R103, DARIEN, CT 06820(888) 663-6331(415) 252-7176 Get Directions Write a Review

NPPES record last updated: January 26, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jan 26, 2026, Dec 13, 2023, Mar 8, 2023 (3 updates tracked since 2023).

About Richard Gordon Nellis Pa-c NPPES

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

RICHARD GORDON NELLIS PA-C (NPI 1649438516) is an individual physician assistant in Darien, Connecticut, licensed in Connecticut (005341) and active in the NPI registry since May 2008. He is enrolled in Medicare PECOS, is affiliated with Ridgeview Sibley Medical Center, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1649438516
Entity TypeIndividualMale
Primary Taxonomy363A00000X
Provider Legal NameRICHARD GORDON NELLISCredential: PA-C
Location Address104 HEIGHTS RD # R103Darien, CT 06820-4119
Mailing Address20449 Koglin RdHutchinson, MN 55350-4332 · (612) 327-2732
Phone(888) 663-6331
Fax(415) 252-7176
Sole ProprietorNo
Medical School CMSOtherGraduated 2008
Enumeration DateMay 28, 2008
Last NPPES UpdateJanuary 26, 20263 updates tracked since enumeration
NPPES CertifiedJanuary 26, 2026
✔ NPI 1649438516 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License✔ Licensed in CT · 005341
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
Also ListedPhysician Assistant · MedicalTaxonomy 363AM0700X · License 027096 (NY), 10468 (MN)
104 HEIGHTS RD # R103, Darien, CT 06820
Open in Google Maps ↗

Secondary Practice Locations 2

Location 13065 Route 50 Ste 30Saratoga Springs, NY 12866-2920 · Phone (518) 886-5800
Location 220449 Koglin RdHutchinson, MN 55350-4332 · Phone (612) 327-2732

Other Identifiers 1

Other1082853Nccpa

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and more.Insurance ›

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

Richard Gordon Nellis 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 ID2567520083
PECOS Enrollment IDI20081027000763, I20211005000931, I20211103000057, I20211103000312, I20211109003059, I20211110003056, I20211111002870, I20211116000565, I20211116000956, I20220907001538, I20240823001326, I20240830001537, I20250131000502
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 4

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.

Telephone medical discussion with physician, 11-20 minutes 99442
This is a service where you have a phone conversation with your doctor for 11-20 minutes. It's used for discussing health concerns, reviewing test results, or managing ongoing conditions. It's a convenient way to receive medical advice without an in-person visit.
49 services46 patients
Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 99309
A follow-up nursing facility visit per day is a daily check-in by a healthcare professional. This 25-minute visit typically involves monitoring your health progress, addressing any concerns, and adjusting treatment plans as necessary. It's a vital part of ensuring your ongoing wellbeing.
20 services20 patients
Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more 99308
A follow-up nursing facility visit per day is a daily check-up service provided by healthcare professionals. It lasts around 15 minutes and involves assessing your health status, monitoring your recovery progress, and addressing any concerns you may have about your health or treatment.
16 services16 patients
Telephone medical discussion with physician, 11-20 minutes 99442
This is a service where you have a phone conversation with your doctor for 11-20 minutes. It's used for discussing health concerns, reviewing test results, or managing ongoing conditions. It's a convenient way to receive medical advice without an in-person visit.
12 services12 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Ridgeview Sibley Medical Center

Critical Access Hospitals · Arlington, MN
OwnershipVoluntary non-profit - Private
CMS Certification Number241311
Location601 West ChandlerArlington, MN 55307 · Sibley County
Emergency services

River's Edge Hospital & Clinic

Critical Access Hospitals · St Peter, MN
OwnershipGovernment - Local
CMS Certification Number241334
Location1900 North Sunrise DriveSt Peter, MN 56082 · Nicollet County
Emergency services

Minnesota Valley Health Center Inc

Critical Access Hospitals · Le Sueur, MN
OwnershipVoluntary non-profit - Private
CMS Certification Number241375
Location621 South Fourth StreetLe Sueur, MN 56058 · Le Sueur County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06820 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$93.86 typical visit price
range $60.82 – $183.10
Typical copayment $23.46 (range $15.20 – $45.77)
Most-billed visit code 99203
Established Patient
$75.55 typical visit price
range $19.76 – $149.26
Typical copayment $18.88 (range $4.94 – $37.31)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Nebulizer, with compressor E0570
DME-Other DME · category DE000N
1 supplier11 claims11 services$8.28 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 4

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

SHONTELLE BROWN PA-C
Physician Assistant
104 HEIGHTS RD # R103
DARIEN, CT 06820
Western Connecticut Planning Region (888) 663-6331
ERIN M. FALLON P.A.
Physician Assistant
104 HEIGHTS RD # R103
DARIEN, CT 06820
Western Connecticut Planning Region (888) 663-6331
MADELINE TORRENTI NP-C
Nurse Practitioner (Family)
104 HEIGHTS RD # R103
DARIEN, CT 06820
Western Connecticut Planning Region (888) 663-6331
EMMANUEL O. MUNOZ MSN, FNP
Nurse Practitioner
104 HEIGHTS RD # R103
DARIEN, CT 06820
Western Connecticut Planning Region (888) 663-6331

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 Richard Nellis's NPI number?

The NPI number for Richard Nellis is 1649438516. It was assigned to this individual provider in the NPPES registry on May 28, 2008.

Where is Richard Nellis located?

Richard Nellis practices at 104 Heights Rd # R103, Darien, CT 06820. The listed phone number is (888) 663-6331.

What is Richard Nellis's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Richard Nellis enrolled in Medicare?

Yes. Richard Nellis 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.

What insurance does Richard Nellis accept?

Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 6 other insurers list Richard Nellis 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 Richard Nellis affiliated with any hospitals?

According to CMS data, Richard Nellis is affiliated with Ridgeview Sibley Medical Center, River's Edge Hospital & Clinic and Minnesota Valley Health Center Inc.

When was this NPI record last updated?

The NPPES record for Richard Nellis was last updated on January 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.