JOAN K DREYFUS APRN
NPI 1861487852
Registered Nurse - Psychiatric/Mental Health, Adult in Hamden, CT
NPI Status: Active since September 15, 2005
Contact Information
60 WASHINGTON AVE
SUITE 102
HAMDEN, CT
ZIP 06518
Phone: (203) 407-6400
Fax: (203) 281-5555
- Individual
- Female
- Registered Nurse
- Psychiatric/Mental Health, Adult
- Accepts Insurance
- Opted-Out Medicare
About JOAN DREYFUS
This page provides the complete NPI Profile along with additional information for Joan Dreyfus, a provider established in Hamden, Connecticut with a medical specialization in Registered Nurse, focusing in psychiatric/mental health, adult . The healthcare provider is registered in the NPI registry with number 1861487852 assigned on September 2005. The practitioner's primary taxonomy code is 163WP0809X with license number 000931 (CT). The provider is registered as an individual and her NPI record was last updated May 2026.
- NPI
- 1861487852
- Provider Name
- JOAN K DREYFUS APRN
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 60 WASHINGTON AVE SUITE 102 HAMDEN, CT 06518
- Location Phone
- (203) 407-6400
- Location Fax
- (203) 281-5555
- Mailing Address
- 1890 DIXWELL AVE SUITE 207 HAMDEN, CT 06514
- Mailing Phone
- (203) 404-6444
- Mailing Fax
- (203) 281-5555
- Is Sole Proprietor?
- No
- Enumeration Date
- 09-15-2005
- Last Update Date
- 05-03-2026
- Code Navigator
A registered nurse (RN) like Joan Dreyfus coordinates and provides patient care and educates patients about various health conditions. Registered nurses give advice and emotional support to patients and their families. The typical duties of a registered nurse include: assessing patient conditions, record medical histories and symptoms, observe patients and record the observations, administer medicines and treatments, consult and collaborate with doctors, operate and monitor medical equipment, teach patients and families how to manage injuries or illnesses, etc.
Registered nurses typically work as part of a team with physicians and other healthcare professionals. In some medical teams registered nurses supervise nursing assistants, licensed practical nurses, and home health aides.
The provider doesn't accept Medicare and has signed an affidavit to be excluded from the Medicare program. If you are a Medicare beneficiary this means a provider can charge whatever they want for services rendered but must follow certain rules to do so. Joan Dreyfus opted out of Medicare effective on 06-03-2021 until 06-03-2027. Opt out periods last for two years and cannot be terminated unless the provider is opting out for the very first time and the affidavit is terminated no later than 90 days after the opt out effective date. Opt-out affidavits might renew automatically renew every two years. The provider opted out of Medicare and cannot order and refer services to other healthcare providers.
Location Map
Specialty - Primary Taxonomy
The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.
- Classification
Registered Nurse Psychiatric/Mental Health, Adult
- Taxonomy Code
- 163WP0809X
- Type
- Nursing Service Providers
- License No.
- 000931
- License State
- CT
Secondary Taxonomies
The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.
| No. | Taxonomy Code | Type | Classification / Specialization |
License No. (State) |
|---|---|---|---|---|
| 1 | 363LP0808X | Physician Assistants & Advanced Practice Nursing Providers | Nurse Practitioner | 000931 (CT) |
Insurance Plans Accepted
According to publicly available information the provider might be accepting the following health plans from these health insurance companies:
- Connect 1500 Gold - EPO
- Connect 6000 Silver - EPO
- Connect 9800 Bronze - EPO
- HSA Qualified 7500 Bronze - Choice Network - EPO
- HSA-E Qualified 7500 Bronze - Signature Network - EPO
- Providence Oregon Standard Bronze Plan - Choice Network - EPO
- Providence Oregon Standard Bronze Plan - Signature Network - EPO
- Providence Oregon Standard Gold Plan - Choice Network - EPO
- Providence Oregon Standard Gold Plan - Signature Network - EPO
- Providence Oregon Standard Silver Plan - Choice Network - EPO
- Providence Oregon Standard Silver Plan - Signature Network - EPO
*Please verify directly with this provider to make sure your insurance plan is currently accepted.
Medicare Participation & PECOS Enrollment Status
What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.
Opted-Out of Medicare? Yes
Opt-Out Effective Date: 06-03-2021
Opt-Out End Date: 06-03-2027
Eligible to Order and Refer? No
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NPI NPI Number Validation
How NPI Validation Works
The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.
To verify the NPI 1861487852, we treat the final digit (2) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 68. The final step is to find the difference between that total and the next multiple of ten (70 - 68 = 2).
Digit-by-digit view
Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.
Step 1: Double every other digit from the right
Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
Step 3: Find the amount needed to reach the next multiple of 10
The next multiple of ten after 68 is 70. The difference is the calculated check digit.
Other Providers at the Same Location
The following 20 providers are registered at the same or a nearby location.
HAMDEN, CT 06518
HAMDEN, CT 06518
HAMDEN, CT 06518
HAMDEN, CT 06518
HAMDEN, CT 06518
HAMDEN, CT 06518
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1861487852, enumerated as an "individual" on September 15, 2005.
The provider is located at 60 WASHINGTON AVE SUITE 102 HAMDEN, CT 06518 and the phone number is (203) 407-6400.
Registered Nurse with taxonomy code 163WP0809X and a focus in Psychiatric/Mental Health, Adult.
The provider might be accepting Accepts: Providence Health Plan. Please consult your insurance carrier or call the provider to verify.
