Gerardo Sicalo-Oborsky, M.D.
Internal Medicine Physician · Phoenix, AZ
Gerardo Sicalo-Oborsky, M.D. is an internal medicine physician with a practice address in Phoenix, Arizona, and NPI 1396737367, issued on Aug 16, 2005. Check the license (Arizona 31836, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Gerardo Sicalo-Oborsky
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 31836 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 9220 N Central Ave, Phoenix, AZ 85020
- Phone
- (602) 254-7077
- Enumerated
- Aug 16, 2005
- Record last updated
- Aug 12, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (602) 254-7078
- Medicare enrollment
- Enrolled (PECOS I20031216000341); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,853 in Arizona → Look up another NPI →
Also registered at 9220 N Central Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Raquel Lopez, FNP-BCFamily Nurse Practitioner1710841283
- George Speer, PAMedical Physician Assistant1285085613
Verify Gerardo Sicalo-Oborsky in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 31836Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
44% more Medicare Part D claims than the average internal medicine physician in 2024
4,580 Medicare Part D claims for 356 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 36 claims were for opioids.
Most prescribed
- Metformin Hcl285 claims
- Atorvastatin Calcium236 claims
- Ibuprofen181 claims
- Simvastatin169 claims
- Lisinopril167 claims
- Levothyroxine Sodium160 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: $382.67
20 payments; by number, the most common kind was food and beverage; the largest payer was Boehringer Ingelheim Pharmaceuticals, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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
- Providence General Medicine P CPhoenix, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gerardo Sicalo-Oborsky among 2,853 internal medicine physician records in Arizona
Gerardo Sicalo-Oborsky, M.D. is one of 2,853 internal medicine physician records with a practice address in Arizona. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 87% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated1985 · median 2003 among the 1,643 with a school on file
- Record last updated2013 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
695 internal medicine physician records list a practice address in Phoenix
They are 695 of the 31,399 NPPES records with a practice address in Phoenix, and 2,853 internal medicine physician records in Arizona.
All 2,853 in Arizona → Every provider in Phoenix → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Mario Avila, MDPhoenix, AZ 850201740273911
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- Amy Lee, MDPhoenix, AZ 850201699760751
- Alfredo Lim, M.D.Phoenix, AZ 850201225002371
- Steven Parker, M.D.Phoenix, AZ 850201841287794
- Christopher Perez, M.D.Phoenix, AZ 850201437144318
- Kevan Pickrel, MDPhoenix, AZ 850201568455384
Common questions
What is Gerardo Sicalo-Oborsky, M.D.'s NPI number?
Gerardo Sicalo-Oborsky, M.D.'s National Provider Identifier (NPI) is 1396737367, issued on Aug 16, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Gerardo Sicalo-Oborsky, M.D. located?
The NPPES record lists a practice address at 9220 N Central Ave, Phoenix, AZ, 85020. Phone: (602) 254-7077. Providers update this record themselves, so call before visiting.
How can I verify Gerardo Sicalo-Oborsky, M.D.'s license?
NPPES lists Arizona license number 31836, 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 Gerardo Sicalo-Oborsky, M.D. prescribe under Medicare Part D?
In 2024, Gerardo Sicalo-Oborsky, M.D. had 4,580 Medicare Part D claims for 356 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.