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MARYLOU IRWIN LANG
NPI 1558081703
Social Worker - Clinical in Palm City, FL

Active since August 29, 2022PECOS EnrolledAccepts Medicare Assignment
3930 SW GREENWOOD WAY APT B, PALM CITY, FL 34990(561) 693-4021 Get Directions Write a Review

NPPES record last updated: August 29, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Marylou Irwin Lang NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARYLOU IRWIN LANG (NPI 1558081703) is an individual clinical provider in Palm City, Florida, licensed in Florida (SW4922) and active in the NPI registry since August 2022. She is enrolled in Medicare PECOS and is a graduate of University Of South Florida College Of Medicine (1993).

NPPES Registry Identity

NPI1558081703
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameMARYLOU IRWIN LANG
Location Address3930 SW GREENWOOD WAY APT BPalm City, FL 34990-4633
Mailing Address3930 Sw Greenwood Way Apt BPalm City, FL 34990-4633 · (561) 693-4021
Phone(561) 693-4021
Sole ProprietorNo
Medical School CMSUniversity Of South Florida College Of MedicineGraduated 1993
Enumeration DateAugust 29, 2022
NPPES CertifiedAugust 29, 2022
✔ NPI 1558081703 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in FL · SW4922
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
3930 SW GREENWOOD WAY APT B, Palm City, FL 34990
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter Health, Ambetter of Tennessee and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Marylou Irwin Lang is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID446627434
PECOS Enrollment IDI20221103002549
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Marylou Lang reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Eventus Wholehealth Midwest Inc
891 mi
Family Medicine
2100 MIDWAY ST # 3722
Columbus, IN 47201
  • Reassigned Medicare billing, Kentucky enrollment
  • 114 clinicians in this Medicare group
NPI 1386252757 (260) 483-9081
Extended Care Specialists, Inc
1,063 mi
Adult Medicine
8398 MISSISSIPPI ST FL 2
Merrillville, IN 46410
  • Reassigned Medicare billing, Kentucky enrollment
  • 145 clinicians in this Medicare group
NPI 1134146079 (855) 743-2247

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 5

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Psychotherapy, 30 minutes 90832
Psychotherapy is a therapeutic interaction or treatment between a trained professional and a patient. In a 30-minute session, the therapist helps you explore feelings, thoughts, and behaviors to better understand yourself and manage life's challenges.
1,168 services257 patients
Psychiatric diagnostic evaluation 90791
A psychiatric diagnostic evaluation is a thorough assessment used to identify any mental health conditions you may have. It involves a detailed discussion about your symptoms, thoughts, feelings and behavior patterns. Your medical history and family's mental health history are also considered.
149 services149 patients
Psychotherapy, 30 minutes 90832
Psychotherapy is a therapeutic interaction or treatment between a trained professional and a patient. In a 30-minute session, the therapist helps you explore feelings, thoughts, and behaviors to better understand yourself and manage life's challenges.
94 services90 patients
Psychiatric diagnostic evaluation 90791
A psychiatric diagnostic evaluation is a thorough assessment used to identify any mental health conditions you may have. It involves a detailed discussion about your symptoms, thoughts, feelings and behavior patterns. Your medical history and family's mental health history are also considered.
46 services46 patients
Psychiatric services complicated by communication factor 90785
Psychiatric services complicated by communication factors involve mental health care for individuals who have challenges with communication. This can include language barriers, speech disorders, or cognitive impairments. The process involves tailored strategies to ensure effective communication and appropriate mental health care.
45 services16 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 34990 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$0.00 typical visit price
range $58.56 – $179.05
Typical copayment $0.00 (range $14.64 – $44.76)
Most-billed visit code NA
Established Patient
$73.00 typical visit price
range $18.44 – $144.68
Typical copayment $18.25 (range $4.61 – $36.17)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Marylou Lang's NPI number?

The NPI number for Marylou Lang is 1558081703. It was assigned to this individual provider in the NPPES registry on August 29, 2022.

Where is Marylou Lang located?

Marylou Lang practices at 3930 SW Greenwood Way Apt B, Palm City, FL 34990. The listed phone number is (561) 693-4021.

What is Marylou Lang's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

Is Marylou Lang enrolled in Medicare?

Yes. Marylou Lang is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Marylou Lang's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Marylou Lang reassigns Medicare benefits to 2 organizations: Eventus Wholehealth Midwest Inc (Columbus, IN) and Extended Care Specialists, Inc (Merrillville, IN). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Marylou Lang's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Marylou Lang accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter of Tennessee and Anthem Blue Cross and Blue Shield list Marylou Lang as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Marylou Lang was last updated on August 29, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.