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Edit this profileAt a glance
- 1153 Centre St, Boston, MA 02130
About Christopher Ahnallen
Listed in the NPI registry as a psychologist — clinical, Christopher G. Ahnallen practices in Boston, MA. Medicare claims data shows Christopher provided 350 services to 45 patients. The services billed most often include group psychotherapy. NPI 1558429563 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
- (617) 277-8107
- Email not available
Practice Locations
1153 CENTRE ST
Boston, MA 02130
Concerns and Conditions Addressed
Within Clinical Psychology 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 & trauma
Addiction
Anxiety
Behavioral
Child & adolescent
Cognitive
Dissociative
Eating & Body Image
Health & Pain
Identity
Interpersonal
Life transitions
Mood & Emotion
- Anger issues
- Bipolar disorder
- Illness anxiety disorder
- Panic disorder
- Postpartum depression
- Social anxiety disorder
- Specific phobias
Neurodevelopmental
Personal Growth
Personality
Self-harm & crisis
Sensory & neurological
Severe mental illness
Sleep
Stress & Lifestyle
Stress & lifestyle
Work & identity
Procedures & services
Most searched procedures
Assessments
Behavioral Interventions
- Acceptance and commitment therapy (ACT)
- Anger management
- Dialectical behavior therapy (DBT)
- Exposure and response prevention (ERP)
- Habit reversal training
- Prolonged exposure therapy
Brain-based therapies
Child & adolescent
Crisis & safety
Group Programs
Individual therapy
Interpersonal
Mind-Body
Parenting & Support
Psychodynamic & Integrative
- Internal family systems (IFS)
- Interpersonal psychotherapy
- Psychodynamic psychotherapy
- Schema Therapy
Relationship & family
Skill building
Sleep & Health
Specialized therapy
Stress & Lifestyle
Testing & evaluation
- ADHD Evaluation
- Bariatric Surgery Evaluation
- Emotional Support Animal Evaluation
- Forensic psychological evaluation
- Neuropsychological Testing
- Psychoeducational Testing
Therapy formats
Trauma therapy
Procedures Most Often Billed to Medicare
350 services · 45 patients · 1 distinct code
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Group psychotherapy | Treatment | 90853 |
350 | More than most peers in Psychologist — Clinical |
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 8
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 Boston 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 2006 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Group psychotherapy 8
Providers in MA who bill this service to Medicare most often.
Common questions
What is Christopher G. Ahnallen's specialty?
Christopher G. Ahnallen is a psychologist in Boston, MA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Psychologist — Clinical”.
NPI registry
Where can I find Christopher G. Ahnallen?
Christopher G. Ahnallen is listed at 1153 Centre St, Boston, MA 02130. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Christopher G. Ahnallen?
The number on file is (617) 277-8107. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Christopher G. Ahnallen?
Christopher G. Ahnallen's National Provider Identifier is 1558429563. 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 Christopher G. Ahnallen's education?
Christopher G. Ahnallen attended Other, graduating in 2006. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Christopher G. Ahnallen have?
Christopher G. Ahnallen has 20 years experience. Calculated from a graduation year of 2006, reported in the CMS National Downloadable File.
CMS public data
What is Christopher G. Ahnallen known for?
According to Medicare billing data, Christopher G. Ahnallen provides treatments such as group psychotherapy. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Christopher G. Ahnallen's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Christopher G. Ahnallen. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.