Physician Profile
Guillermo R. Otero-Perez, MD
Unclaimed ProfileAbout Dr. Otero-Perez
Guillermo R. Otero-Perez, MD is a healthcare provider in Philadelphia, PA specializing in psychiatry. Guillermo trained at University of Puerto Rico School of Medicine, graduating in 2002. Medicare claims data shows Guillermo provided 71 services to 29 patients. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more and established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more. This provider record is associated with NPI 1962441725.
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
- (215) 456-7000
- Email not available
Practice Locations
101 E OLNEY AVE SUITE 400
Philadelphia, PA 19120
721 Dresher Rd Ste 1100
Horsham, PA 19044
795 E Lancaster Ave Ste 210
Villanova, PA 19085
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
71 services · 29 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
41 | 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 |
30 | 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 at this location 6
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 — 23 related providers in 3 groups
Other psychiatrists in Philadelphia 8
Same specialty, same city.
Trained at University of Puerto Rico School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2002 at University of Puerto Rico School of Medicine 7
Providers who graduated from the same medical school in the same year.
Common questions
What kind of doctor is Dr. Otero-Perez?
Dr. Otero-Perez is a psychiatrist in Philadelphia, PA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Psychiatry”.
NPI registry
What is Dr. Otero-Perez's address?
Dr. Otero-Perez is listed at 101 E Olney Ave Suite 400, Philadelphia, PA 19120. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Otero-Perez?
The number on file is (215) 456-7000. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Otero-Perez?
Dr. Otero-Perez's National Provider Identifier is 1962441725. 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. Otero-Perez train?
Dr. Otero-Perez attended University of Puerto Rico School of Medicine, graduating in 2002. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Otero-Perez have?
Dr. Otero-Perez has 24 years experience. Calculated from a graduation year of 2002, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Otero-Perez perform?
According to Medicare billing data, Dr. Otero-Perez the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Otero-Perez's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Otero-Perez. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.