Are you Mary C. Underhill, PsyD? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileAt a glance
- 712 Wall St, Norman, OK 73069
About Dr. Underhill
Mary C. Underhill, PsyD is a psychologist practicing in Norman, OK. According to Medicare claims data, Mary cared for 57 Medicare patients across 57 services. The services billed most often include psychiatric diagnostic evaluation, administration of psychological or neuropsychological test, each additional 30 minutes, and administration of psychological or neuropsychological test, first 30 minutes. This provider record is associated with NPI 1487900858.
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
- (405) 579-7560
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
712 WALL ST
Norman, OK 73069
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
57 services · 57 patients · 4 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Psychiatric diagnostic evaluation | Treatment | 90791 |
15 | Less often than most peers in Psychologist |
| Administration of psychological or neuropsychological test, each additional 30 minutes | Treatment | 96137 |
14 | Less often than most peers in Psychologist |
| Administration of psychological or neuropsychological test, first 30 minutes | Treatment | 96136 |
14 | Less often than most peers in Psychologist |
| Evaluation of psychological test, first hour | Treatment | 96130 |
14 | Less often than most 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.
Other psychologists at this location 2
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 — 31 related providers in 4 groups
Other psychologists in Norman 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2011 at Other 7
Providers who graduated from the same medical school in the same year.
Also performs Psychiatric diagnostic evaluation 8
Providers in OK who bill this service to Medicare most often.
Common questions
What kind of doctor is Mary C. Underhill?
Mary C. Underhill is a psychologist in Norman, OK. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Mary C. Underhill's address?
Mary C. Underhill is listed at 712 Wall St, Norman, OK 73069. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Mary C. Underhill?
The number on file is (405) 579-7560. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Mary C. Underhill's NPI number?
Mary C. Underhill's National Provider Identifier is 1487900858. 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 Mary C. Underhill train?
Mary C. Underhill attended Other, graduating in 2011. This comes from the CMS National Downloadable File.
CMS public data
How long has Mary C. Underhill been practicing?
Mary C. Underhill has 15 years experience. Calculated from a graduation year of 2011, reported in the CMS National Downloadable File.
CMS public data
What procedures does Mary C. Underhill perform?
According to Medicare billing data, Mary C. Underhill provides treatments such as psychiatric diagnostic evaluation and administration of psychological or neuropsychological test, each additional 30 minutes. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Mary C. Underhill confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Mary C. Underhill. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.