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Edit this profileWhere to find Thaddeus S. Block, M.D.
- Palo Alto location main office
300 Pasteur Dr, Palo Alto, CA 94304 - Palo Alto location
401 Quarry Rd, Palo Alto, CA 94304
About Dr. Block
Based in Palo Alto, CA, Thaddeus S. Block, M.D. is listed in the NPI registry under psychiatry. Medicare claims data shows Thaddeus provided 513 services to 95 patients. The services billed most often include psychotherapy with evaluation and management visit, 30 minutes, established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more, and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more. NPI 1497897433 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
- (650) 723-4000
- Email not available
Practice Locations
300 PASTEUR DR
Palo Alto, CA 94304
401 Quarry Rd
Palo Alto, CA 94304
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
513 services · 95 patients · 4 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Psychotherapy with evaluation and management visit, 30 minutes | Treatment | 90833 |
221 | More often than most peers in Psychiatry |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
184 | More than most 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 |
61 | As often as other peers in Psychiatry |
| Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient' | Billing code | G2211 |
47 | As often as other 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 6
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 1
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 — 28 related providers in 4 groups
Other psychiatrists in Palo Alto 4
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2000 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Psychotherapy with evaluation and management visit, 30 minutes 8
Providers in CA who bill this service to Medicare most often.
Common questions
What does Thaddeus S. Block specialize in?
Thaddeus S. Block is a psychiatrist in Palo Alto, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Psychiatry”.
NPI registry
Where is Thaddeus S. Block located?
Thaddeus S. Block is listed at 300 Pasteur Dr, Palo Alto, CA 94304. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Thaddeus S. Block's phone number?
The number on file is (650) 723-4000. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Thaddeus S. Block?
Thaddeus S. Block's National Provider Identifier is 1497897433. 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 Thaddeus S. Block train?
Thaddeus S. Block attended Other, graduating in 2000. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Thaddeus S. Block have?
Thaddeus S. Block has 26 years experience. Calculated from a graduation year of 2000, reported in the CMS National Downloadable File.
CMS public data
What does Thaddeus S. Block do most often?
According to Medicare billing data, Thaddeus S. Block 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 Thaddeus S. Block's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Thaddeus S. Block. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.