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Edit this profileAt a glance
- 1800 30Th Street, Suite 217B, Boulder, CO 80301
About Gail Marcus
Gail R. Marcus, LCSW is a psychologist based in Boulder, CO. According to Medicare claims data, the services billed most often include psychotherapy, 1 hour. The provider's National Provider Identifier (NPI) is 1033261888.
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
- (303) 641-6475
- Email not available
Practice Locations
1800 30TH STREET SUITE 217B
Boulder, CO 80301
Concerns and Conditions Addressed
Within Psychology (Unspecified) 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
Abuse and relationships
Addiction
Anxiety & Phobias
Anxiety and phobias
Behavioral & Emotional
Child & Adolescent
Child and teen issues
Eating & Body Image
Health Psychology
Identity and life stages
Interpersonal & Abuse
Life and social issues
Mindset and personality
Mood and emotions
Mood Disorders
Neurodevelopmental
Personality Disorders
Relationships
Self-Esteem & Identity
Sleep
Sleep issues
Stress & Lifestyle
Thought disorders
Trauma and abuse
Work and career
Procedures & services
Most searched procedures
Addiction support
Alternative formats
Behavioral Programs
Behavioral therapies
Brain-based therapies
Care delivery
Child & Adolescent
Evaluations & Assessments
- Autism Assessment
- Bariatric Surgery Evaluation
- Cognitive and memory testing
- Emotional Support Animal Evaluation
- Spinal Cord Stimulator Psychological Clearance
Evaluations and testing
- Adoption Psychological Evaluation
- Gender-affirming surgery evaluation
- Immigration Psychological Evaluation
- Neuropsychological Testing
Expressive therapies
Family and parenting
Mind-body therapies
Relationship Counseling
Skills training
Specialized therapy
Specialized Treatments
- Biofeedback
- Crisis intervention
- Hypnotherapy
- Ketamine-assisted counseling
- Mindfulness-based stress reduction
- Sleep counseling
Talk therapies
Therapy Modalities
Procedures Most Often Billed to Medicare
242 services · 16 patients · 1 distinct code
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Psychotherapy, 1 hour | Treatment | 90837 |
242 | As often as other peers in Psychologist |
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.
Related specialists at this location 2
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.
Other psychologists in Boulder 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1986 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Psychotherapy, 1 hour 8
Providers in CO who bill this service to Medicare most often.
Common questions
What does Gail R. Marcus specialize in?
Gail R. Marcus is a psychologist in Boulder, CO. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Gail R. Marcus located?
Gail R. Marcus is listed at 1800 30Th Street Suite 217B, Boulder, CO 80301. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Gail R. Marcus's phone number?
The number on file is (303) 641-6475. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Gail R. Marcus's NPI number?
Gail R. Marcus's National Provider Identifier is 1033261888. 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 Gail R. Marcus train?
Gail R. Marcus attended Other, graduating in 1986. This comes from the CMS National Downloadable File.
CMS public data
How long has Gail R. Marcus been practicing?
Gail R. Marcus has 40 years experience. Calculated from a graduation year of 1986, reported in the CMS National Downloadable File.
CMS public data
What does Gail R. Marcus do most often?
According to Medicare billing data, Gail R. Marcus provides treatments such as psychotherapy, 1 hour. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Gail R. Marcus confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Gail R. Marcus. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.