Provider Profile
Timothy W. Parker is a nurse practitioner — psychiatric/mental health based in Elkridge, MD. According to Medicare claims data, Timothy cared for 26 Medicare patients across 79 services. The services billed most often include subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
7220 DISCOVERY DR
Elkridge, MD 21075
Within Nurse Practitioner - Psychiatric/Mental Health generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Addiction
Addiction & substance use
Anxiety & panic
Attention & learning
Behavioral health
Behavioral issues
Child & adolescent
Cognitive disorders
Cognitive issues
Crisis & safety
Eating disorders
Medication side effects
Mood disorders
Obsessions & compulsions
Personality disorders
Psychotic disorders
Sleep
Stress & lifestyle
Trauma & stress
Addiction treatment
Consultations
Crisis care
Evaluations & paperwork
Evaluations & testing
Interventional treatments
Medication management
Telehealth
Therapy
Therapy & counseling
79 services · 26 patients · 1 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
79 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Timothy W. Parker is a nurse practitioner in Elkridge, MD. That is the designation recorded for this NPI in the federal registry, where it is listed as “Nurse Practitioner — Psychiatric/Mental Health”.
NPI registry
Timothy W. Parker is listed at 7220 Discovery Dr, Elkridge, MD 21075. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (240) 915-5500. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Timothy W. Parker's National Provider Identifier is 1114761624. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Timothy W. Parker has 2+ years experience. Registered with an NPI since 2024. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
According to Medicare billing data, Timothy W. Parker the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Timothy W. Parker. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.