Physician Profile
Nicholas N. Guan, MD
Unclaimed ProfileAbout Dr. Guan
Nicholas N. Guan, MD practices psychiatry in New York, NY. Nicholas is also listed as specializing in geriatric psychiatry. According to Medicare claims data, Nicholas cared for 103 Medicare patients across 538 services. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, psychotherapy with evaluation and management visit, 30 minutes, and psychiatric services complicated by communication factor.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
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
- (212) 961-7446
- Email not available
Practice Locations
391 E 10TH ST UNIT E
New York, NY 10009
Conditions Commonly Evaluated or Treated
Within Psychiatry 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
Anxiety, trauma, and obsessive-compulsive
Mood disorders
Psychotic disorders
Substance-related and addictive
Addiction & Substance Use
Cognitive and adjustment
Eating Disorders
Eating, sleep, and somatic
Mood & Depression
Neurodevelopmental and behavioral
Personality and dissociative
Sleep & Wakefulness
Procedures & services
Most searched procedures
- Anxiety and depression treatment
- Cognitive behavioral therapy
- Medication management
- Psychiatric evaluation
- Telepsychiatry
Assessment
Addiction care
Addiction Medicine
Assessments
Brain stimulation
Consultations
Diagnostics
Inpatient care
Interventional psychiatry
Psychotherapy
Sleep Medicine
Specialized care
Therapy
Therapy and care
Procedures Most Often Billed to Medicare
538 services · 103 patients · 5 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Psychotherapy with evaluation and management visit, 30 minutes | Treatment | 90833 |
156 | More often than most peers in Psychiatry |
| Psychiatric services complicated by communication factor | Treatment | 90785 |
96 | More often than most peers in Psychiatry |
| Psychotherapy with evaluation and management visit, 45 minutes | Treatment | 90836 |
46 | Less often than most peers in Psychiatry |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
187 | More often than most peers in Psychiatry |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
53 | Less often than most peers in Psychiatry |
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 psychiatrists in New York 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1982 at Other 8
Providers who graduated from the same medical school in the same year.
More connections — 8 related providers in 1 group
Also performs Psychotherapy with evaluation and management visit, 30 minutes 8
Providers in NY who bill this service to Medicare most often.
Common questions
What does Dr. Guan specialize in?
Dr. Guan is a psychiatrist in New York, NY. That is the designation recorded for this NPI in the federal registry, where it is listed as “Psychiatry”.
NPI registry
Where is Dr. Guan located?
Dr. Guan is listed at 391 E 10Th St Unit E, New York, NY 10009. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Guan's phone number?
The number on file is (212) 961-7446. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Guan's NPI number?
Dr. Guan's National Provider Identifier is 1558503334. 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 Dr. Guan go to medical school?
Dr. Guan attended Other, graduating in 1982. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Guan been practicing?
Dr. Guan has 44 years experience. Calculated from a graduation year of 1982, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Guan do most often?
According to Medicare billing data, Dr. Guan provides treatments such as psychotherapy with evaluation and management visit, 30 minutes and psychiatric services complicated by communication factor, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Guan confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Guan. 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.