Mary Williams

  • Rocky River, OH
  • Mental health counselor
NPI1275703654
Affiliated sites
1
Medical group
1
State license
1
Year NPI issued
2008
Practice address
20525 Center Ridge Rd, Rocky River, OH 44116
Practice phone
Call (866) 466-9591
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Behavioral Health Services of Greater Cleveland

Rocky River, Ohio

See all 3 affiliations

Find Mary Williams' 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.

View contacts for free

Mary Williams is a mental health counselor in Rocky River, Ohio

Mary Williams practices at Behavioral Health Services of Greater Cleveland in Rocky River, Ohio.

Mary Williams' NPI, 1275703654, was assigned on March 3, 2008. Mary Williams holds Ohio license C.0501094.

NPI and contact details
NPI enumeration date
March 3, 2008
NPI status
Active
Practice phone
(866) 466-9591
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Female

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data

Mary Williams practices at Behavioral Health Services of Greater Cleveland in Rocky River, Ohio

Mary Williams' primary practice is Behavioral Health Services of Greater Cleveland, at 20525 Center Ridge Rd, Rocky River, OH 44116 in Cuyahoga County. The practice phone is (866) 466-9591.

  • Behavioral Health Services of Greater Cleveland
    20525 Center Ridge Rd, Rocky River, OH 44116 · Cuyahoga CountyPhone(866) 466-9591

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Mary Williams is affiliated with 2 sites of care and 1 medical group

Mary Williams' primary practice is Behavioral Health Services of Greater Cleveland in Rocky River, Ohio. The medical group on file is Behavioral Health Services of Greater Cleveland. Dmand AI also links Mary Williams to 1 more group practice or clinic, named with a free account.

See all 3 affiliations for Mary Williams

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Mary Williams' practice

Dmand AI tracks the electronic health record (EHR) system at each site where Mary Williams practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Behavioral Health Services of Greater ClevelandAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every site where Mary Williams practices

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.

Mary Williams is one of 2,176 mental health counselors in Ohio

Mental health is Mary Williams' primary specialty in the NPI Registry, under taxonomy code 101YM0800X. Mary Williams is licensed in Ohio.

Specialties and state licenses

  • Mental health counselor, OhioPrimaryLicense C.0501094 · taxonomy 101YM0800X

Mental health counselors near Mary Williams

Counts of mental health counselors with a Dmand AI profile, by place and practice. Each opens the list.

2,176mental health counselors in Ohio
7mental health counselors in Rocky River

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Mary Williams' patients have a median age of 35

Across all payers, Dmand AI patient panel data puts Mary Williams' median patient age at 35, with 56% women.

Mary Williams' patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 35

Patient panel by sex, all payers

  • Women56%
  • Men44%

Source: Dmand AI Patient Panel Data

Sources for Mary Williams's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Mary Williams

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Mary Williams' NPI number?

Mary Williams' NPI number is 1275703654. It was assigned on March 3, 2008, and it is active in the NPI Registry.

What does Mary Williams specialize in?

Mary Williams is a mental health counselor in Rocky River, Ohio. The primary specialty in the NPI Registry is Mental Health Counselor (taxonomy code 101YM0800X).

Where does Mary Williams practice?

Mary Williams practices at 20525 Center Ridge Rd, Rocky River, OH 44116. Mary Williams' primary practice is Behavioral Health Services of Greater Cleveland in Rocky River, Ohio. Dmand AI also links Mary Williams to 1 group practice or clinic.

What is Mary Williams' office phone number?

The practice phone on file for Mary Williams is (866) 466-9591.

What is Mary Williams' medical license number?

Mary Williams holds Ohio license C.0501094.

What medical group is Mary Williams part of?

Mary Williams is linked to Behavioral Health Services of Greater Cleveland.

How long has Mary Williams been practicing?

Mary Williams' NPI was assigned in 2008.

Selling to mental health practices?

See mental health counselors in Ohio 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

Cookie settings

Turn each category on or off. Your choice is kept for 12 months and you can change it here at any time.

Necessary

Always on. Sign-in, security, downloads you asked for, your cookie choice, and the page that led to a signup.

View cookies (6)
  • dm_consentDmand AI. Your cookie choices and whether your browser sent a Global Privacy Control signal. 12 months.
  • dm_ft, dm_ltDmand AI. The first and the latest page you arrived on, with the date, so a signup is credited to the page that worked. 90 days, 30 days.
  • dm_fs, dm_lsDmand AI. The first and the latest source of a visit (a search engine, a campaign or the site that linked here). 90 days, 30 days.
  • dm_dl, dm_dl_okDmand AI. After you give an email address for a download, lets you download files without being asked again. 30 days.
  • Session and CSRF cookiesDmand AI (app.dmand.ai). Sign-in and form protection in the application. Session.
  • __cf_bm, cf_clearanceCloudflare. Tells people from automated traffic and keeps the site available. 30 minutes; cf_clearance while a security check is valid.

Analytics

On unless you turn it off. How pages are used, in aggregate, and recordings of how pages are used.

View cookies (6)
  • Google Tag ManagerGoogle. Loads the analytics and marketing tags that are on. Sets no cookie of its own and does not load when both categories are off. n/a.
  • _ga, _ga_<container-id>Google Analytics 4. Visits and page views in aggregate on dmand.ai. 2 years.
  • _clck, _clskMicrosoft Clarity. Recordings and heatmaps of how pages are used, with form fields masked. 1 year, 1 day.
  • CLID, MUID, ANONCHK, MR, SMMicrosoft (clarity.ms). Set by Microsoft when Clarity loads, to recognize a browser across sites that use Clarity. Up to 1 year.
  • None (cookieless)Ahrefs Analytics. Page views in aggregate. n/a.
  • ph_<project>_posthogPostHog. Product usage, errors and performance in app.dmand.ai, used to fix bugs and improve features. 365 days.

Marketing

On unless you turn it off, and always off when your browser sends a Global Privacy Control signal. A visitor identification service tells our sales team which companies and people visit.

View cookies (6)
  • _reb2buid, _reb2butkRB2B. Recognizes a returning browser for visitor identification. 360 days, 1 year.
  • _reb2bgeoRB2B. The location used to decide whether a visit can be identified. 20 days.
  • _reb2brefRB2B. The page or site that referred the visit. 15 days.
  • _reb2bfxf, _reb2btd, _reb2bliRB2B. Links the visit to an identified business profile. 1 month.
  • _reb2bresolveRB2B. Holds a match while it is being resolved. 2 days.
  • _reb2sessionID, _reb2bloadedRB2B. The current visit, and a guard against loading the script twice. 30 minutes, 1 second.

Functional

On unless you turn it off. Remembers choices such as a collapsed section.

View cookies (none today)