MARTA LUDWIG LSW
NPI 1033539978
Social Worker in Bryn Mawr, PA
NPI Status: Active since April 18, 2014
Contact Information
101 N. MERION AVE.
BRYN MAWR COLLEGE HEALTH CENTER
BRYN MAWR, PA
ZIP 19010
Phone: (607) 205-4163
- Individual
- Female
- Social Worker
- Opted-Out Medicare
About MARTA LUDWIG
This page provides the complete NPI Profile along with additional information for Marta Ludwig, a provider established in Bryn Mawr, Pennsylvania with a medical specialization in Social Worker. The healthcare provider is registered in the NPI registry with number 1033539978 assigned on April 2014. The practitioner's primary taxonomy code is 104100000X with license number SW129653 (PA). The provider is registered as an individual and her NPI record was last updated 12 years ago.
- NPI
- 1033539978
- Provider Name
- MARTA LUDWIG LSW
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 101 N. MERION AVE. BRYN MAWR COLLEGE HEALTH CENTER BRYN MAWR, PA 19010
- Location Phone
- (607) 205-4163
- Mailing Address
- 205 PRICE AVE NARBERTH, PA 19072
- Mailing Phone
- (607) 205-4163
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 04-18-2014
- Last Update Date
- 04-18-2014
- Code Navigator
A social worker like Marta Ludwig helps patients solve and cope with problems in their everyday lives, diagnoses and treats mental, behavioral, and emotional problems. Social workers help in wide range of situations, such as adopting a child, illness, divorce, or unemployment.
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. Marta Ludwig opted out of Medicare effective on 10-03-2025 until 10-03-2027. 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
Social Worker
- Taxonomy Code
- 104100000X
- Type
- Behavioral Health & Social Service Providers
- License No.
- SW129653
- License State
- PA
- Taxonomy Description
- A social worker is a person who is qualified by a Social Work degree, and licensed, certified or registered by the state as a social worker to practice within the scope of that license. A social worker provides assistance and counseling to clients and their families who are dealing with social, emotional and environmental problems. Social work services may be rendered to individuals, families, groups, and the public.
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: 10-03-2025
Opt-Out End Date: 10-03-2027
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 1033539978, 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 62. The final step is to find the difference between that total and the next multiple of ten (70 - 62 = 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.
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 62 is 70. The difference is the calculated check digit.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1033539978, enumerated as an "individual" on April 18, 2014.
The provider is located at 101 N. MERION AVE. BRYN MAWR COLLEGE HEALTH CENTER BRYN MAWR, PA 19010 and the phone number is (607) 205-4163.
Social Worker with taxonomy code 104100000X.
