Karla Diehl
Counseling Psychologist · Cumberland, MD
Karla Diehl is a counseling psychologist with a practice address in Cumberland, Maryland, and NPI 1730695008, issued on Dec 21, 2017. Check the license (Maryland 03138, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Karla Diehl
- Primary taxonomy
- Counseling Psychologist 103TC1900X
- License number
- 03138 MD
Self-reported in NPPES; status is on the state search - Practice location
- 300 E Oldtown RD, Cumberland, MD 21502
- Phone
- (301) 777-8685
- Enumerated
- Dec 21, 2017
- Record last updated
- Dec 21, 2017 (not updated in 9 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20180319000558); accepts Medicare assignment
- Medical or professional school
- West Virginia University School Of Medicine, 1993
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest counseling psychologist records → All 136 in Maryland → Look up another NPI →
Also registered at 300 E Oldtown RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Susan HeissSocial Worker1295252724
- Chrystle McKenzie, LCPCProfessional Counselor1285152934
- Laura Miller, LCPCProfessional Counselor1497272793
- Laura Miller Lewis, LCSW-CClinical Social Worker1609407972
- Lisa Serfass, LCPCMental Health Counselor1740706878
- Anthony Umpierre, MDPsychiatry Physician1467412262
Verify Karla Diehl in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license 03138Check 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
- Associated Catholic Charities IncTimonium, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Karla Diehl among 136 counseling psychologist records in Maryland
Karla Diehl is one of 136 counseling psychologist records with a practice address in Maryland. 4% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 54% of them.
- NPI issued2017 · 54% of these records are older, 42% newer
- In a Medicare fileYes · 4% of these records are
- In the CMS Doctors and Clinicians fileYes · 10% of these records are
- Graduated1993 · median 2004 among the 14 with a school on file
- Record last updated2017 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103TC1900X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Counseling Psychologist providers in Maryland
There are 136 counseling psychologist records in Maryland.
All 136 in Maryland → Every provider in Cumberland → Counseling Psychologist nationwide →
The 8 counseling psychologist records with the nearest ZIP codes
- Trina Redmond-Matz, PH.D.Frostburg, MD 215321184873622
- Darren Freeman-Coppadge, PHD, PHARMD, BCPPAnnapolis, MD 214011730729047
- Ann Judge, PHDAnnapolis, MD 214011043569098
- Lee Owens, ED.D.Annapolis, MD 214011902882335
- Kathleen Peters, LCPCAnnapolis, MD 214011942709605
- Brett Davis, PSY.D.Towson, MD 212861356534903
- David Goode-Cross, PHDTowson, MD 212861215203716
- William Nation, PHDTowson, MD 212861932880135
Common questions
What is Karla Diehl's NPI number?
Karla Diehl's National Provider Identifier (NPI) is 1730695008, issued on Dec 21, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Karla Diehl located?
The NPPES record lists a practice address at 300 E Oldtown RD, Cumberland, MD, 21502. Phone: (301) 777-8685. Providers update this record themselves, so call before visiting.
How can I verify Karla Diehl's license?
NPPES lists Maryland license number 03138, as entered by the provider. Search the Maryland 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.