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Edit this profileAt a glance
- 4641 Roosevelt Blvd, Suite C229, Philadelphia, PA 19124
About Dr. Chambliss
Based in Philadelphia, PA, Robert B. Chambliss, MD is listed in the NPI registry under psychiatry. Robert graduated from Vanderbilt University School of Medicine in 1992. According to Medicare claims data, Robert cared for 318 Medicare patients across 1,431 services. The services billed most often include psychotherapy, 1 hour, psychotherapy, 45 minutes, and psychotherapy, 30 minutes. NPI 1780611202 identifies this record in the national registry.
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
- (215) 831-4811
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
4641 ROOSEVELT BLVD SUITE C229
Philadelphia, PA 19124
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
Cognitive and adjustment
Eating, sleep, and somatic
Geriatric care
Mental Health
Neurodevelopmental and behavioral
Most searched conditions
Anxiety, trauma, and obsessive-compulsive
Mood disorders
Psychotic disorders
Substance-related and addictive
Addiction & Substance Use
Eating Disorders
Mood & Depression
Personality and dissociative
Sleep & Wakefulness
Procedures & services
Advanced treatment
Assessment
Most searched procedures
- Anxiety and depression treatment
- Cognitive behavioral therapy
- Medication management
- Psychiatric evaluation
- Telepsychiatry
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
1,431 services · 318 patients · 7 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Psychotherapy, 1 hour | Treatment | 90837 |
717 | More than most peers in Psychiatry |
| Psychotherapy, 45 minutes | Treatment | 90834 |
296 | More often than most peers in Psychiatry |
| Psychotherapy, 30 minutes | Treatment | 90832 |
148 | More often than most peers in Psychiatry |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
76 | As often as other peers in Psychiatry |
| Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more | Office visit | 99212 |
114 | More often than most peers in Psychiatry |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
66 | As often as other peers in Psychiatry |
| Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional | Office visit | 99211 |
14 | Less 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 at this location 8
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 5
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 32 related providers in 4 groups
Other psychiatrists in Philadelphia 8
Same specialty, same city.
Trained at Vanderbilt University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1992 at Vanderbilt University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Psychotherapy, 1 hour 8
Providers in PA who bill this service to Medicare most often.
Common questions
What does Dr. Chambliss specialize in?
Dr. Chambliss is a psychiatrist in Philadelphia, PA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Psychiatry”.
NPI registry
Where is Dr. Chambliss located?
Dr. Chambliss is listed at 4641 Roosevelt Blvd Suite C229, Philadelphia, PA 19124. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Chambliss's phone number?
The number on file is (215) 831-4811. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Chambliss's NPI number?
Dr. Chambliss's National Provider Identifier is 1780611202. 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
Where did Dr. Chambliss go to medical school?
Dr. Chambliss attended Vanderbilt University School of Medicine, graduating in 1992. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Chambliss been practicing?
Dr. Chambliss has 34 years experience. Calculated from a graduation year of 1992, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Chambliss do most often?
According to Medicare billing data, Dr. Chambliss provides treatments such as psychotherapy, 1 hour and psychotherapy, 45 minutes, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Chambliss confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Chambliss. If this is you, claiming it is free.
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