Mary Langston Dryden, PHD
Psychologist · Denver, CO
Mary Langston Dryden, PHD is a psychologist with a practice address in Denver, Colorado, and NPI 1811593684, issued on Dec 8, 2020. Check the license with the Colorado board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mary Langston Dryden
- Credential
- PHD
- Primary taxonomy
- Psychologist 103T00000X
- License number
- 36619 TX
Self-reported in NPPES; status is on the state search - Practice location
- 5210 E 6TH Avenue Pkwy, Denver, CO 80220
- Phone
- (817) 229-5123
- Enumerated
- Dec 8, 2020
- Record last updated
- Oct 20, 2025
- Medicare enrollment
- Enrolled (PECOS I20210111001822); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychologist records → All 991 in Colorado → Look up another NPI →
Verify Mary Langston Dryden in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Colorado board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Carewright Clinical Services, PLLCDallas, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mary Langston Dryden among 991 psychologist records in Colorado
Mary Langston Dryden, PHD is one of 991 psychologist records with a practice address in Colorado. 9% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 80% of them.
- NPI issued2020 · 80% of these records are older, 18% newer
- In a Medicare fileYes · 9% of these records are
- In the CMS Doctors and Clinicians fileYes · 17% of these records are
- Graduated2019 · median 2006 among the 164 with a school on file
- Record last updated2025 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103T00000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychologist providers in Colorado
There are 991 psychologist records in Colorado.
All 991 in Colorado → Every provider in Denver → Psychologist nationwide →
The 8 psychologist records with the nearest ZIP codes
- Brian Bagwell, PSYDDenver, CO 802201902023062
- Ann Bortz, PSYDDenver, CO 802201023235181
- Michael Bowers, PSY.D.Denver, CO 802201689807091
- Lisa Brenner, PH.D.Denver, CO 802201083680821
- Christopher Immel, PH.D.Denver, CO 802201720367436
- Crystal Joy, PSY.D.Denver, CO 802201609025196
- Michele Kelly, PSYDDenver, CO 802201831274562
- Gretchen Kelmer, PH.D.Denver, CO 802201518290584
Common questions
What is Mary Langston Dryden, PHD's NPI number?
Mary Langston Dryden, PHD's National Provider Identifier (NPI) is 1811593684, issued on Dec 8, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Mary Langston Dryden, PHD located?
The NPPES record lists a practice address at 5210 E 6TH Avenue Pkwy, Denver, CO, 80220. Phone: (817) 229-5123. Providers update this record themselves, so call before visiting.
How can I verify Mary Langston Dryden, PHD's license?
Search the Colorado board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.