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Edit this profileWhere to find David M. Zwerdling, M.D.
- Kensington location main office
10112 Kensington Pkwy, Kensington, MD 20895 - Silver Spring location
2907 Woodstock Ave, Silver Spring, MD 20910
About Dr. Zwerdling
David M. Zwerdling, M.D. is a healthcare provider in Kensington, MD specializing in psychiatry. David trained at Yale University School of Medicine, graduating in 1975. Medicare claims data shows David provided 327 services to 36 patients. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more and psychotherapy with evaluation and management visit, 30 minutes. This provider record is associated with NPI 1679679609.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (301) 587-3430
- Email not available
Practice Locations
10112 KENSINGTON PKWY
Kensington, MD 20895
2907 Woodstock Ave
Silver Spring, MD 20910
Conditions Commonly Evaluated or Treated
Within Psychiatry generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Anxiety, trauma, and obsessive-compulsive
Mood disorders
Psychotic disorders
Substance-related and addictive
Addiction & Substance Use
Cognitive and adjustment
Eating Disorders
Eating, sleep, and somatic
Mood & Depression
Neurodevelopmental and behavioral
Personality and dissociative
Sleep & Wakefulness
Procedures & services
Most searched procedures
- Anxiety and depression treatment
- Cognitive behavioral therapy
- Medication management
- Psychiatric evaluation
- Telepsychiatry
Assessment
Addiction care
Addiction Medicine
Assessments
Brain stimulation
Consultations
Diagnostics
Inpatient care
Interventional psychiatry
Psychotherapy
Sleep Medicine
Specialized care
Therapy
Therapy and care
Procedures Most Often Billed to Medicare
327 services · 36 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Psychotherapy with evaluation and management visit, 30 minutes | Treatment | 90833 |
109 | As often as other peers in Psychiatry |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
218 | More often than most peers in Psychiatry |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other psychiatrists in Kensington 8
Same specialty, same city.
Trained at Yale University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1975 at Yale University School of Medicine 8
Providers who graduated from the same medical school in the same year.
More connections — 8 related providers in 1 group
Also performs Psychotherapy with evaluation and management visit, 30 minutes 8
Providers in MD who bill this service to Medicare most often.
Common questions
What is David M. Zwerdling's specialty?
David M. Zwerdling is a psychiatrist in Kensington, MD. That is the designation recorded for this NPI in the federal registry, where it is listed as “Psychiatry”.
NPI registry
Where can I find David M. Zwerdling?
David M. Zwerdling is listed at 10112 Kensington Pkwy, Kensington, MD 20895. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact David M. Zwerdling?
The number on file is (301) 587-3430. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for David M. Zwerdling?
David M. Zwerdling's National Provider Identifier is 1679679609. 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
What is David M. Zwerdling's education?
David M. Zwerdling attended Yale University School of Medicine, graduating in 1975. This comes from the CMS National Downloadable File.
CMS public data
How much experience does David M. Zwerdling have?
David M. Zwerdling has 51 years experience. Calculated from a graduation year of 1975, reported in the CMS National Downloadable File.
CMS public data
What is David M. Zwerdling known for?
According to Medicare billing data, David M. Zwerdling provides treatments such as psychotherapy with evaluation and management visit, 30 minutes, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is David M. Zwerdling's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by David M. Zwerdling. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.