Ramiro Guillen, MD
Child & Adolescent Psychiatry Physician · Scottsdale, AZ
Ramiro Guillen, MD is a child & adolescent psychiatry physician with a practice address in Scottsdale, Arizona, and NPI 1104993500, issued on Nov 29, 2006. Check the license (Arizona 31653, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Ramiro Guillen
- Credential
- MD
- Primary taxonomy
- Child & Adolescent Psychiatry Physician 2084P0804X
- License number
- 31653 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 11333 N Scottsdale RD, Scottsdale, AZ 85254
- Phone
- (480) 367-1500
- Enumerated
- Nov 29, 2006
- Record last updated
- Apr 18, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (480) 367-1501
- Medicaid ID
- 816142 AZ
- Medicare enrollment
- Enrolled (PECOS I20041108000784); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest child & adolescent psychiatry physician records → All 124 in Arizona → Look up another NPI →
Also registered at 11333 N Scottsdale RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kiilani Buczkowski, NP-CFamily Nurse Practitioner1265861041
- Howard Henry, D.D.S., MSCOrthodontics and Dentofacial Orthopedics Dentistry1356797245
- Susan Kelly, OTR LOccupational Therapist1740485002
- Marilyn Pupo-Guillen, MDChild & Adolescent Psychiatry Physician1730254954
Verify Ramiro Guillen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 31653Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
20% more Medicare Part D claims than the average child & adolescent psychiatry physician in 2024
603 Medicare Part D claims for 41 beneficiaries, against an average of 504 among the 3,545 providers of this specialty who prescribed in Part D.
Most prescribed
- Clonazepam73 claims
- Bupropion Xl69 claims
- Venlafaxine Hcl Er45 claims
- Lorazepam36 claims
- Alprazolam31 claims
- Escitalopram Oxalate31 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $271.31
10 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 1,578 providers of this specialty with any payment received $1,427.96 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- District Medical Group IncMesa, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ramiro Guillen among 124 child & adolescent psychiatry physician records in Arizona
Ramiro Guillen, MD is one of 124 child & adolescent psychiatry physician records with a practice address in Arizona. 62% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 10% of them.
- NPI issued2006 · 10% of these records are older, 48% newer
- In a Medicare fileYes · 62% of these records are
- In the CMS Doctors and Clinicians fileYes · 31% of these records are
- Graduated1985 · median 2005 among the 38 with a school on file
- Record last updated2008 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0804X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Child & Adolescent Psychiatry Physician providers in Arizona
There are 124 child & adolescent psychiatry physician records in Arizona.
All 124 in Arizona → Every provider in Scottsdale → Child & Adolescent Psychiatry Physician nationwide →
The 8 child & adolescent psychiatry physician records with the nearest ZIP codes
- Andrew Haber, M.D.Scottsdale, AZ 852541306016258
- Shaili Patel, M.D.Scottsdale, AZ 852541538171459
- Marilyn Pupo-Guillen, MDScottsdale, AZ 852541730254954
- Tanya Feinberg, M.D.Scottsdale, AZ 852551164686283
- Sandeep Kaur, MDScottsdale, AZ 852531124640628
- Palpu Hazel, M.D.Scottsdale, AZ 852511518901974
- Linda Kalivas, M.D.Scottsdale, AZ 852511518000199
- Richard Spiegel, M.D.Scottsdale, AZ 852511710027339
Common questions
What is Ramiro Guillen, MD's NPI number?
Ramiro Guillen, MD's National Provider Identifier (NPI) is 1104993500, issued on Nov 29, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ramiro Guillen, MD located?
The NPPES record lists a practice address at 11333 N Scottsdale RD, Scottsdale, AZ, 85254. Phone: (480) 367-1500. Providers update this record themselves, so call before visiting.
How can I verify Ramiro Guillen, MD's license?
NPPES lists Arizona license number 31653, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ramiro Guillen, MD prescribe under Medicare Part D?
In 2024, Ramiro Guillen, MD had 603 Medicare Part D claims for 41 beneficiaries; the average among child & adolescent psychiatry physician prescribers was 504. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.