Are you Sergey L. Istomin, CRNP, PMHNP-BC? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileAt a glance
- 6040 Southport Dr, Bethesda, MD 20814
About 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. The provider's National Provider Identifier (NPI) is 1023384963.
Factual summary compiled by Guide.md from public records; not written by this provider.
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
- (301) 493-4200
- Email not available
Is this your home address or personal number? Hide it
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
Cognitive issues
Mood disorders
- Emotional Numbness
- Menopause Mood Swings and Anxiety
- Bipolar disorder
- Depression
- Mood swings
- Postpartum depression
- Premenstrual dysphoric disorder
- Seasonal affective disorder
Sleep
Addiction
Addiction & substance use
Anxiety & panic
Attention & learning
Behavioral health
Behavioral issues
Child & adolescent
Cognitive disorders
Crisis & safety
Eating disorders
Medication side effects
Obsessions & compulsions
Personality disorders
Psychotic disorders
Stress & lifestyle
Trauma & stress
Procedures & services
Addiction treatment
Consultations
Crisis care
Evaluations & paperwork
- Child Psychiatric Evaluation
- Disability Mental Health Evaluation
- Gender-Affirming Mental Health Letter
- Psychiatric Clearance for Surgery
- School Accommodation Evaluation
- Treatment-Resistant Depression Evaluation
- Cognitive Assessment
Evaluations & testing
- ADHD Testing and Diagnosis
- Adolescent Psychiatric Evaluation
- Emotional Support Animal (ESA) Evaluation
- FMLA and Mental Health Leave Paperwork
- Postpartum Mental Health Screening
- Second Opinion on Mental Health Diagnosis
- DNA drug response testing
- Psychiatric evaluation
Interventional treatments
Medication management
- Antidepressant Prescription
- Antipsychotic Medication Management
- Anxiety Medication Management
- Benzodiazepine Tapering
- Lithium Monitoring and Blood Level Checks
- Long-Acting Antipsychotic Shot
- Non-Stimulant ADHD Medication Management
- Prescription Refill Visit
- Smoking Cessation Medication Visit
- Stimulant Medication Monitoring
- Switching Antidepressants
- Tardive Dyskinesia Treatment
- Weight Management for Psychiatric Med Side Effects
- Lab Work for Psychiatric Medications
- Medication management
- Mood Stabilizer Management
- Sleep Medication Management
- Tapering Off Psychiatric Medication
Therapy
- Somatic Calming and Relaxation Training
- Acceptance and commitment therapy (ACT)
- Anger Management Counseling
- Bereavement counseling
- Insomnia Treatment (CBT-I)
- Suicide safety planning
Therapy & counseling
- Couples and Family Mental Health Counseling
- Dialectical Behavior Therapy (DBT) Skills
- Cognitive Behavioral Therapy (CBT)
- Exposure and Response Prevention
- Mindfulness-based stress reduction
- Prolonged exposure therapy
- Supportive psychotherapy
Telehealth
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. Contact the office directly to confirm availability and scheduling.
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
Guide.md listings do not constitute medical advice or an endorsement.