Provider Profile
Sergey L. Istomin, CRNP, PMHNP-BC
Unclaimed ProfileAbout Sergey Istomin
Sergey L. Istomin, CRNP, PMHNP-BC is a nurse practitioner — psychiatric/mental health based in Bethesda, MD. Medicare claims data shows Sergey provided 409 services to 250 patients. The services billed most often include psychotherapy, 45 minutes, psychotherapy, 30 minutes, and telephone medical discussion with physician, 21-30 minutes.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
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
- (301) 493-4200
- Email not available
Practice Locations
6040 SOUTHPORT DR
Bethesda, MD 20814
Conditions and Services Within This Provider's Scope
Within Nurse Practitioner - Psychiatric/Mental Health 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
Addiction
- Gambling disorder
- Quitting smoking
- Screen Addiction
Addiction & substance use
- Alcohol use disorder
- Drug addiction
Anxiety & panic
- Agoraphobia
- Anxiety
- Panic disorder
- Social anxiety disorder
- Specific phobias
Attention & learning
- ADHD
- Autism
Behavioral health
- Porn addiction
- Self-harm
Behavioral issues
- Anger issues
Child & adolescent
- Oppositional defiant disorder
- Severe Temper Tantrums and Meltdowns
Cognitive disorders
- Dementia
- Executive dysfunction
Cognitive issues
- Brain Fog and Mental Fatigue
- Dementia with behavioral symptoms
- Mild cognitive impairment
Crisis & safety
- Suicidal thoughts
Eating disorders
- Anorexia nervosa
- Binge eating
- Eating disorders
Medication side effects
- Involuntary Twitches from Meds
Mood disorders
- Bipolar disorder
- Depression
- Emotional Numbness
- Menopause Mood Swings and Anxiety
- Mood swings
- Postpartum depression
- Premenstrual dysphoric disorder
- Seasonal affective disorder
Obsessions & compulsions
- Body image issues
- Hoarding
- OCD
- Skin picking and hair pulling
Personality disorders
- Borderline personality disorder
Psychotic disorders
- Delusional disorder
- Hearing Voices and Hallucinations
- Schizoaffective disorder
- Schizophrenia
Sleep
- Chronic Nightmares
- Insomnia and Sleep Problems
- Neurologic sleep disorders
Stress & lifestyle
- Burnout
- Chronic stress
- Gaslighting and manipulation
Trauma & stress
- Adjustment disorder
- Dissociative disorders
- Illness anxiety disorder
- Prolonged grief disorder
- Trauma
Procedures & services
Addiction treatment
- Dual Diagnosis Addiction Treatment
- Suboxone Treatment and MAT
- Vivitrol and Naltrexone Treatment
Consultations
- Holistic Mental Health Consultation
- Transcranial Magnetic Stimulation (TMS) Consultation
Crisis care
- Urgent Psychiatric Consultation
Evaluations & paperwork
- Child Psychiatric Evaluation
- Cognitive Assessment
- Disability Mental Health Evaluation
- Gender-Affirming Mental Health Letter
- Psychiatric Clearance for Surgery
- School Accommodation Evaluation
- Treatment-Resistant Depression Evaluation
Evaluations & testing
- ADHD Testing and Diagnosis
- Adolescent Psychiatric Evaluation
- DNA drug response testing
- Emotional Support Animal (ESA) Evaluation
- FMLA and Mental Health Leave Paperwork
- Postpartum Mental Health Screening
- Psychiatric evaluation
- Second Opinion on Mental Health Diagnosis
Interventional treatments
- Ketamine Therapy Consultation
- Spravato (Esketamine) Treatment
Medication management
- Antidepressant Prescription
- Antipsychotic Medication Management
- Anxiety Medication Management
- Benzodiazepine Tapering
- Lab Work for Psychiatric Medications
- Lithium Monitoring and Blood Level Checks
- Long-Acting Antipsychotic Shot
- Medication management
- Mood Stabilizer Management
- Non-Stimulant ADHD Medication Management
- Prescription Refill Visit
- Sleep Medication Management
- Smoking Cessation Medication Visit
- Stimulant Medication Monitoring
- Switching Antidepressants
- Tapering Off Psychiatric Medication
- Tardive Dyskinesia Treatment
- Weight Management for Psychiatric Med Side Effects
Telehealth
Therapy
- Acceptance and commitment therapy (ACT)
- Anger Management Counseling
- Bereavement counseling
- Insomnia Treatment (CBT-I)
- Somatic Calming and Relaxation Training
- Suicide safety planning
Therapy & counseling
- Cognitive Behavioral Therapy (CBT)
- Couples and Family Mental Health Counseling
- Dialectical Behavior Therapy (DBT) Skills
- Exposure and Response Prevention
- Mindfulness-based stress reduction
- Prolonged exposure therapy
- Supportive psychotherapy
Procedures Most Often Billed to Medicare
409 services · 250 patients · 7 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Psychotherapy, 45 minutes | Treatment | 90834 |
125 | More often than most peers in Psychiatric Nurse Practitioner |
| Psychotherapy, 30 minutes | Treatment | 90832 |
77 | As often as other peers in Psychiatric Nurse Practitioner |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
37 | Less often than most peers in Psychiatric Nurse Practitioner |
| Psychotherapy, 1 hour | Treatment | 90837 |
24 | Less often than most peers in Psychiatric Nurse Practitioner |
| Telephone medical discussion with physician, 21-30 minutes | Office visit | 99443 |
59 | More often than most peers in Psychiatric Nurse Practitioner |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
53 | As often as other peers in Psychiatric Nurse Practitioner |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
34 | As often as other peers in Psychiatric Nurse Practitioner |
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 nurse practitioners at this location 2
Same specialty, same street address — most likely the same department or group.
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 nurse practitioners in Bethesda 8
Same specialty, same city.
More connections — 8 related providers in 1 group
Also performs Psychotherapy, 45 minutes 8
Providers in MD who bill this service to Medicare most often.
Common questions
What is Sergey L. Istomin, CRNP's specialty?
Sergey L. Istomin, CRNP is a nurse practitioner in Bethesda, MD. That is the designation recorded for this NPI in the federal registry, where it is listed as “Nurse Practitioner — Psychiatric/Mental Health”.
NPI registry
Where can I find Sergey L. Istomin, CRNP?
Sergey L. Istomin, CRNP is listed at 6040 Southport Dr, Bethesda, MD 20814. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Sergey L. Istomin, CRNP?
The number on file is (301) 493-4200. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Sergey L. Istomin, CRNP?
Sergey L. Istomin, CRNP's National Provider Identifier is 1023384963. 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
How much experience does Sergey L. Istomin, CRNP have?
Sergey L. Istomin, CRNP has 14+ years experience. Registered with an NPI since 2012. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
What is Sergey L. Istomin, CRNP known for?
According to Medicare billing data, Sergey L. Istomin, CRNP provides treatments such as psychotherapy, 45 minutes and psychotherapy, 30 minutes, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Sergey L. Istomin, CRNP's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Sergey L. Istomin, CRNP. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.