Mark D. Ridderhoff, LCSWC
- Medicare patients, 2024
- 13
- Affiliated sites
- 3
- Medical groups
- 3
- State license
- 1
- Year NPI issued
- 2013
- Practice address
- 10630 Little Patuxent Parkway Suite 209, Columbia, MD 21044
- Practice phone
- Call (410) 740-8066
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Congruent Counseling Services
Outpatient Addiction Treatment · Columbia, Maryland
Find Mark Ridderhoff's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Mark D. Ridderhoff is a clinical social worker in Columbia, Maryland
Mark Ridderhoff practices at Congruent Counseling Services in Columbia, Maryland.
Mark Ridderhoff's NPI, 1437491420, was assigned on March 18, 2013. Mark Ridderhoff holds Maryland license 15927.
- NPI
- 1437491420NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0446498794
- NPI enumeration date
- March 18, 2013
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (410) 740-8066
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 47
- Medical school graduation
- 2005
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Mark D. Ridderhoff practices at Congruent Counseling Services in Columbia, Maryland
Mark Ridderhoff's primary practice is Congruent Counseling Services, at 10630 Little Patuxent Parkway Suite 209, Columbia, MD 21044. The practice phone is (410) 740-8066.
- Congruent Counseling Services10630 Little Patuxent Parkway Suite 209, Columbia, MD 21044Phone(410) 740-8066
Source: Dmand AI Affiliation Data
Mark D. Ridderhoff is affiliated with 3 sites of care and 3 medical groups
Mark Ridderhoff's primary practice is Congruent Counseling Services in Columbia, Maryland. The medical group on file is Congruent Counseling Services. Dmand AI also links Mark Ridderhoff to 2 more group practices and clinics and 2 medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Mark D. Ridderhoff's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Mark Ridderhoff practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Congruent Counseling Services | Available with a free account |
| +2 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Mark D. Ridderhoff is one of 2,537 clinical social workers in Maryland
Social worker is Mark Ridderhoff's primary specialty in the NPI Registry, under taxonomy code 1041C0700X. The record also lists clinical. Mark Ridderhoff is licensed in Maryland.
Specialties and state licenses
- Clinical social worker, MarylandPrimary
Clinical social workers near Mark Ridderhoff
Counts of clinical social workers with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Mark D. Ridderhoff treated 13 Medicare patients in 2024, average age 62
CMS counts 13 Medicare patients who saw Mark Ridderhoff in 2024. The largest group is 85 and over, with 0 patients. 75% of them have mood disorders. Their average risk score is 1.11, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Mark Ridderhoff's median patient age at 32, with 0% women.
Mark Ridderhoff's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Mark Ridderhoff's Medicare patients, 2024
- Mood disorders75%
Share of Medicare patients with each condition. A patient can have several.
Mark Ridderhoff's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 32
Patient panel by sex, all payers
- Women0%
- Men100%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Mark D. Ridderhoff offers telehealth to Medicare patients
Mark Ridderhoff accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Mark Ridderhoff as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
Sources for Mark D. Ridderhoff's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Mark D. Ridderhoff
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Mark D. Ridderhoff's NPI number?
Mark D. Ridderhoff's NPI number is 1437491420. It was assigned on March 18, 2013, and it is active in the NPI Registry.
What does Mark D. Ridderhoff specialize in?
Mark D. Ridderhoff is a clinical social worker in Columbia, Maryland. The primary specialty in the NPI Registry is Clinical Social Worker (taxonomy code 1041C0700X).
Where does Mark D. Ridderhoff practice?
Mark Ridderhoff practices at 10630 Little Patuxent Parkway Suite 209, Columbia, MD 21044. Mark Ridderhoff's primary practice is Congruent Counseling Services in Columbia, Maryland. Dmand AI also links Mark Ridderhoff to 2 group practices and clinics and 2 medical groups.
What is Mark D. Ridderhoff's office phone number?
The practice phone on file for Mark Ridderhoff is (410) 740-8066.
What is Mark D. Ridderhoff's medical license number?
Mark Ridderhoff holds Maryland license 15927.
What medical group is Mark D. Ridderhoff part of?
Mark Ridderhoff is linked to Congruent Counseling Services. Dmand AI links Mark Ridderhoff to 2 more medical groups.
Does Mark D. Ridderhoff accept Medicare?
Yes. CMS lists Mark Ridderhoff as accepting Medicare assignment.
Does Mark D. Ridderhoff offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Mark Ridderhoff as offering telehealth services.
How many Medicare patients does Mark D. Ridderhoff see?
CMS counts 13 Medicare patients who saw Mark Ridderhoff in 2024, with an average age of 62.
How long has Mark D. Ridderhoff been practicing?
Mark Ridderhoff graduated from medical school in 2005, 21 years ago.
Selling to social worker practices?
See clinical social workers in Maryland by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card