DR. ALLAN MICHAEL JACOBS M.D.
NPI 1649397068
Psychiatry & Neurology - Child & Adolescent Psychiatry in West Hartford, CT

NPI Status: Active since March 22, 2007

Contact Information

61 S MAIN ST
SUITE 305
WEST HARTFORD, CT
ZIP 06107
Phone: (860) 561-1640

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  • Individual
  • Male
  • Psychiatry & Neurology
  • Child & Adolescent Psychiatry
  • PECOS Enrolled
  • Opted-Out Medicare

About ALLAN JACOBS

This page provides the complete NPI Profile along with additional information for Allan Jacobs, a provider established in West Hartford, Connecticut with a medical specialization in Psychiatry & Neurology, focusing in child & adolescent psychiatry . The healthcare provider is registered in the NPI registry with number 1649397068 assigned on March 2007. The practitioner's primary taxonomy code is 2084P0804X with license number 027910 (CT). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1649397068
Provider Name
DR. ALLAN MICHAEL JACOBS M.D.
Gender
Male
Entity Type
Individual
Location Address
61 S MAIN ST SUITE 305 WEST HARTFORD, CT 06107
Location Phone
(860) 561-1640
Mailing Address
61 S MAIN ST SUITE 305 WEST HARTFORD, CT 06107
Mailing Phone
(860) 561-1640
Is Sole Proprietor?
Yes
Enumeration Date
03-22-2007
Last Update Date
09-11-2025
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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. Allan Jacobs opted out of Medicare effective on 03-17-2016 until 03-17-2026. 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 but is permitted to 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

Psychiatry & Neurology Child & Adolescent Psychiatry

Taxonomy Code
2084P0804X
Type
Allopathic & Osteopathic Physicians
License No.
027910
License State
CT
Taxonomy Description
Child & Adolescent Psychiatry is a subspecialty of psychiatry with additional skills and training in the diagnosis and treatment of developmental, behavioral, emotional, and mental disorders of childhood and adolescence.

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)
12084P0800XAllopathic & Osteopathic Physicians

Psychiatry & Neurology
Psychiatry

027910 (CT)
22084P0802XAllopathic & Osteopathic Physicians

Psychiatry & Neurology
Addiction Psychiatry

027910 (CT)

Medicare Participation & PECOS Enrollment Status

Allan Jacobs is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.

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.

  • Is the provider registered in PECOS? Yes

  • Opted-Out of Medicare? Yes

  • Opt-Out Effective Date: 03-17-2016

  • Opt-Out End Date: 03-17-2026

  • Eligible to Order and Refer? Yes

  • Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes

  • Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes

  • Eligible to Order or Refer a Home Health Agency (HHA): Yes

  • Eligible to Order or Refer Power Mobility Devices: Yes

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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 1649397068, we treat the final digit (8) 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 72. The final step is to find the difference between that total and the next multiple of ten (80 - 72 = 8).

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.

Pos 1
1
Doubled → 2
Pos 2
6
Unchanged
Pos 3
4
Doubled → 8
Pos 4
9
Unchanged
Pos 5
3
Doubled → 6
Pos 6
9
Unchanged
Pos 7
7
Doubled → 14 → 1 + 4
Pos 8
0
Unchanged
Pos 9
6
Doubled → 12 → 1 + 2
Check
8
Target digit
Regular digit Doubled digit Check digit

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.

1 → 2 4 → 8 3 → 6 7 → 14 → 5 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 6 + 8 + 9 + 6 + 9 + 1 + 4 + 0 + 1 + 2 + 24 = 72

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 72 is 80. The difference is the calculated check digit.

80 - 72 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1649397068.

Other Providers at the Same Location


The following 13 providers are registered at the same or a nearby location.

Internal Medicine
61 S MAIN ST, 202
WEST HARTFORD, CT 06107
Dermatology
61 S MAIN ST, SUITE 309
WEST HARTFORD, CT 06107
Social Worker (Clinical)
61 S MAIN ST, SUITE 209
WEST HARTFORD, CT 06107
Dentist
61 S MAIN ST, SUITE 311
WEST HARTFORD, CT 06107
Dentist
61 S MAIN ST, SUITE 311
WEST HARTFORD, CT 06107
Dentist (Periodontics)
61 S MAIN ST
WEST HARTFORD, CT 06107
Clinic/Center (Dental)
61 S MAIN ST, SUITE 301
WEST HARTFORD, CT 06107
Marriage & Family Therapist
61 S MAIN ST
WEST HARTFORD, CT 06107
Dentist (Periodontics)
61 S MAIN ST, SUITE 301
WEST HARTFORD, CT 06107
Internal Medicine (Pulmonary Disease)
61 S MAIN ST
WEST HARTFORD, CT 06107
Clinic/Center (Physical Therapy)
61 S MAIN ST
WEST HARTFORD, CT 06107
Social Worker (Clinical)
61 S MAIN ST
WEST HARTFORD, CT 06107
Nurse Practitioner (Adult Health)
61 S MAIN ST
WEST HARTFORD, CT 06107

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1649397068, enumerated as an "individual" on March 22, 2007.

The provider is located at 61 S MAIN ST SUITE 305 WEST HARTFORD, CT 06107 and the phone number is (860) 561-1640.

Psychiatry & Neurology with taxonomy code 2084P0804X and a focus in Child & Adolescent Psychiatry.