MR. PETER A WOLFF LCPC
NPI 1477126431
Counselor - Professional in Frederick, MD

NPI Status: Active since July 19, 2021

Contact Information

116 RECORD ST
FREDERICK, MD
ZIP 21701
Phone: (301) 620-8700
Fax: (301) 620-8710

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

About PETER WOLFF

This page provides the complete NPI Profile along with additional information for Peter Wolff, a provider established in Frederick, Maryland with a medical specialization in Counselor, focusing in professional . The healthcare provider is registered in the NPI registry with number 1477126431 assigned on July 2021. The practitioner's primary taxonomy code is 101YP2500X with license number LC11641 (MD). The provider is registered as an individual and his NPI record was last updated 5 years ago.

NPI
1477126431
Provider Name
MR. PETER A WOLFF LCPC
Gender
Male
Entity Type
Individual
Location Address
116 RECORD ST FREDERICK, MD 21701
Location Phone
(301) 620-8700
Location Fax
(301) 620-8710
Mailing Address
116 RECORD ST FREDERICK, MD 21701
Mailing Phone
(301) 620-8700
Mailing Fax
(301) 620-8710
Is Sole Proprietor?
No
Enumeration Date
07-19-2021
Last Update Date
07-19-2021
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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. Peter Wolff opted out of Medicare effective on 04-21-2025 until 04-21-2027. 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 No.
LC11641
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: 04-21-2025

  • Opt-Out End Date: 04-21-2027

  • 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 1477126431, we treat the final digit (1) 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 59. The final step is to find the difference between that total and the next multiple of ten (60 - 59 = 1).

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

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 1 + 4 + 7 + 2 + 2 + 1 + 2 + 4 + 6 + 24 = 59

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

The next multiple of ten after 59 is 60. The difference is the calculated check digit.

60 - 59 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1477126431.

Other Providers at the Same Location


The following 10 providers are registered at the same or a nearby location.

Psychologist
116 RECORD ST
FREDERICK, MD 21701
Counselor (Professional)
116 RECORD ST
FREDERICK, MD 21701
Psychologist (Clinical)
116 RECORD ST
FREDERICK, MD 21701
Counselor (Professional)
116 RECORD ST
FREDERICK, MD 21701
Counselor (Professional)
116 RECORD ST
FREDERICK, MD 21701
Marriage & Family Therapist
116 RECORD ST
FREDERICK, MD 21701
Counselor (Professional)
116 RECORD ST
FREDERICK, MD 21701
Psychologist (Clinical)
116 RECORD ST
FREDERICK, MD 21701
Counselor (Mental Health)
116 RECORD ST
FREDERICK, MD 21701
Psychologist
116 RECORD ST
FREDERICK, MD 21701

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1477126431, enumerated as an "individual" on July 19, 2021.

The provider is located at 116 RECORD ST FREDERICK, MD 21701 and the phone number is (301) 620-8700.

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