INTERDYNAMICS, INC.
NPI 1952570343
Psychiatry & Neurology - Psychiatry in Landover, MD

Q: What is Interdynamics, Inc.'s NPI number?

The NPI number for Interdynamics, Inc. is 1952570343. It was assigned to this organization in the NPPES registry on February 29, 2008.

Q: What is Interdynamics, Inc.'s specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Active since February 29, 2008

8181 PROFESSIONAL PL STE 150&200, LANDOVER, MD 20785(301) 306-4590(301) 880-0054 Get Directions Write a Review

NPPES record last updated: June 26, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jun 26, 2025, Jul 15, 2019, Mar 2, 2017 and 2 more (5 updates tracked since 2016).

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About Interdynamics, Inc. NPPES

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

INTERDYNAMICS, INC. (NPI 1952570343) is a healthcare organization registered as a psychiatry in Landover, Maryland and active in the NPI registry since February 2008. The organization lists Joan Branch, President/ceo, as its authorized official.

NPPES Registry Identity

NPI1952570343

Entity TypeOrganization

Primary Taxonomy2084P0800X

Legal Business NameINTERDYNAMICS, INC.

Location Address8181 PROFESSIONAL PL STE 150&200Landover, MD 20785-2226

Mailing Address8181 Professional Pl Ste 200Landover, MD 20785-7219 · (301) 306-4590 · Fax (301) 880-0054

Phone(301) 306-4590

Fax(301) 880-0054

Organization SubpartNo

Authorized OfficialJoan BranchPresident/ceo · (301) 306-4590

Enumeration DateFebruary 29, 2008

Last NPPES UpdateJune 26, 20255 updates tracked since enumeration

NPPES CertifiedJune 26, 2025

✔ NPI 1952570343 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 8

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians

Taxonomy Code2084P0800X

License✔ Licensed in MD · D0055667

Definition

A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

Also ListedClinical NeuropsychologistTaxonomy 103G00000X · License 04055 (MD)

Also ListedPsychologist · ClinicalTaxonomy 103TC0700X · License 01160 (MD)

Also ListedPsychologist · CounselingTaxonomy 103TC1900X

Also ListedPsychologist · Clinical Child & AdolescentTaxonomy 103TC2200X · License 04208 (MD)

Also ListedSocial Worker · ClinicalTaxonomy 1041C0700X · License G11628 (MD)

Also ListedPsychiatry & Neurology · NeurologyTaxonomy 2084N0400X · License MD32806 (DC)

Also ListedNurse Practitioner · Psychiatric/Mental HealthTaxonomy 363LP0808X · License R175350 (MD)

8181 PROFESSIONAL PL STE 150&200, Landover, MD 20785

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Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Interdynamics, Inc. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 17 clinicians reassign Medicare billing to Interdynamics, Inc., which bills Medicare for the services they deliver. Of these, 2 practice at this address and 6 within 10 miles. They are listed nearest first.

Clinicians by Medicare Specialty 5

Psychiatry6

Nurse Practitioner4

Clinical Psychologist3

Clinical Social Worker3

Mental Health Counselor1

Clinicians, nearest first (17)

Alieu Daramy

Clinical Social Worker

NPI 1891193595

8181 PROFESSIONAL PL STE 200
Hyattsville, MD 20785

(301) 306-4590

✔ PECOSSame address

Kristin Yirenkyi

Clinical Social Worker

NPI 1346991387

8181 PROFESSIONAL PL STE 200
Hyattsville, MD 20785

(301) 306-4590

✔ PECOS✔ Accepts MedicareSame address

Esther Estwick, M.D.

Psychiatry

NPI 1245449594

9470 ANNAPOLIS RD STE 305
Lanham, MD 20706

(301) 459-8868

✔ PECOS✔ Accepts Medicare1.7 mi

Arnecia Moody

Clinical Social Worker

NPI 1306251939

1706 PALMETTO DR
Mitchellville, MD 20721

(301) 883-9116

✔ PECOS3.0 mi

Samuel Gordon, PH.D.

Clinical Psychologist

NPI 1689684888

102 IRVING ST NW
Washington, DC 20010

(202) 877-1000

✔ PECOS✔ Accepts Medicare8.1 mi

Mercedes Hernandez, PH.D.

Clinical Psychologist

NPI 1346833993

19 FRANKLIN AVE
Silver Spring, MD 20901

(240) 535-6251

✔ PECOS8.9 mi

Patricia Jenkins, PH.D,

Clinical Psychologist

NPI 1780966002

13617 JACQUELINE CT
Silver Spring, MD 20904

(301) 236-0636

✔ PECOS✔ Accepts Medicare11 mi

Phillip Terrell

Mental Health Counselor

NPI 1336697549

2987 BRINKLEY RD APT 102
Temple Hills, MD 20748

(240) 470-2039

✔ PECOS✔ Accepts Medicare11 mi

Rene Stokes, MD, MPH

Psychiatry

NPI 1164650982

6917 ARLINGTON RD STE 300
Bethesda, MD 20814

(301) 570-0818

✔ PECOS✔ Accepts Medicare13 mi

Eric Wande, PMHNP

Nurse Practitioner

NPI 1588323398

4494 PALMER ROAD
Bethesda, MD 20814

(757) 355-9706

✔ PECOS14 mi

Kim Jones-Fearing, M.D.

Psychiatry

NPI 1871521393

11221 KINSALE CT
Ellicott City, MD 21042

(410) 419-3769

✔ PECOS20 mi

Asong Benanzea Fontem, NP

Nurse Practitioner

NPI 1578105326

3300 GALLOWS RD
Falls Church, VA 22042

(703) 776-4001

✔ PECOS✔ Accepts Medicare20 mi

Mertine Jermany, M.D.

Psychiatry

NPI 1235263559

3355 SAINT JOHNS LN SUITE F
Ellicott City, MD 21042

(443) 272-1541

✔ PECOS✔ Accepts Medicare23 mi

Darryl Coleman, M.D.

Psychiatry

NPI 1164565834

6630 BALTIMORE NATIONAL PIKE 205B
Catonsville, MD 21228

(410) 744-7076

✔ PECOS24 mi

Orlando Davis, M.D.

Psychiatry

NPI 1477676807

2417 W BALTIMORE ST
Baltimore, MD 21223

(410) 963-7548

✔ PECOS26 mi

Martha Chonchoro, PMHNP-BC

Nurse Practitioner

NPI 1790549772

18842 BROKEN OAK RD
Boyds, MD 20841

(301) 222-7604

✔ PECOS✔ Accepts Medicare28 mi

Adetimbo Adediran, CRNP

Nurse Practitioner

NPI 1679922298

9435 PARAGON CT
Owings Mills, MD 21117

(240) 722-9763

✔ PECOS✔ Accepts Medicare32 mi

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

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 Interdynamics, Inc.'s NPI number?

The NPI number for Interdynamics, Inc. is 1952570343. It was assigned to this organization in the NPPES registry on February 29, 2008.

Where is Interdynamics, Inc. located?

Interdynamics, Inc. is located at 8181 Professional Pl Ste 150&200, Landover, MD 20785. The listed phone number is (301) 306-4590.

What is Interdynamics, Inc.'s specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Interdynamics, Inc. enrolled in Medicare?

Yes. Interdynamics, Inc. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Interdynamics, Inc.?

According to the CMS Revalidation Reassignment List (October 2026 release), 17 clinicians in 5 Medicare specialties reassign their Medicare billing to Interdynamics, Inc.. A 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 the clinician's services. The largest specialties are Psychiatry (6), Nurse Practitioner (4) and Clinical Psychologist (3). Of these, 2 practice at this address and 6 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Interdynamics, Inc. was last updated on June 26, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 months 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.