MRS. CHRISTINA MARIE DECOSTANZO-ALLEN MS
NPI 1487935276
Counselor - Professional in Baltimore, MD

NPI Status: Active since September 07, 2011

Contact Information

106 CLAY ST
BALTIMORE, MD
ZIP 21201
Phone: (410) 837-2258
Fax: (410) 837-2692

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  • Individual
  • Female
  • Counselor
  • Professional
  • Opted-Out Medicare

About CHRISTINA DECOSTANZO-ALLEN

This page provides the complete NPI Profile along with additional information for Christina Decostanzo-allen, a provider established in Baltimore, Maryland with a medical specialization in Counselor, focusing in professional . The healthcare provider is registered in the NPI registry with number 1487935276 assigned on September 2011. The practitioner's primary taxonomy code is 101YP2500X. The provider is registered as an individual and her NPI record was last updated 15 years ago.

NPI
1487935276
Provider Name
MRS. CHRISTINA MARIE DECOSTANZO-ALLEN MS
Gender
Female
Entity Type
Individual
Location Address
106 CLAY ST BALTIMORE, MD 21201
Location Phone
(410) 837-2258
Location Fax
(410) 837-2692
Mailing Address
106 CLAY ST BALTIMORE, MD 21201
Mailing Phone
(410) 837-2258
Mailing Fax
(410) 837-2692
Is Sole Proprietor?
No
Enumeration Date
09-07-2011
Last Update Date
09-07-2011
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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. Christina Decostanzo-allen opted out of Medicare effective on 04-17-2025 until 04-17-2027. 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.

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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

Counselor Professional

Taxonomy Code
101YP2500X
Type
Behavioral Health & Social Service Providers
License State
MD

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: 04-17-2025

  • Opt-Out End Date: 04-17-2027

  • Eligible to Order and Refer? No

Reviews for MRS. CHRISTINA MARIE DECOSTANZO-ALLEN MS

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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 1487935276, we treat the final digit (6) 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 64. The final step is to find the difference between that total and the next multiple of ten (70 - 64 = 6).

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
4
Unchanged
Pos 3
8
Doubled → 16 → 1 + 6
Pos 4
7
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
3
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
2
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
Check
6
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 8 → 16 → 7 9 → 18 → 9 5 → 10 → 1 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 1 + 6 + 7 + 1 + 8 + 3 + 1 + 0 + 2 + 1 + 4 + 24 = 64

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

The next multiple of ten after 64 is 70. The difference is the calculated check digit.

70 - 64 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1487935276.

Other Providers at the Same Location


The following 3 providers are registered at the same or a nearby location.

Clinic/Center (Dental)
106 CLAY ST
BALTIMORE, MD 21201
Social Worker (Clinical)
106 CLAY ST, NATIVE AMERICAN LIFELINES
BALTIMORE, MD 21201
Community/Behavioral Health
106 CLAY ST
BALTIMORE, MD 21201

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1487935276, enumerated as an "individual" on September 07, 2011.

The provider is located at 106 CLAY ST BALTIMORE, MD 21201 and the phone number is (410) 837-2258.

Counselor with taxonomy code 101YP2500X and a focus in Professional.