John Taitano, MD
Internal Medicine Physician · Tamuning, GU
John Taitano, MD is an internal medicine physician with a practice address in Tamuning, Guam, and NPI 1740336247, issued on Jan 26, 2007. Check the license (Guam M675, as entered in NPPES) with the Guam board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- John Taitano
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- M675 GU
Self-reported in NPPES; status is on the state search - Practice location
- 851 Governor Carlos Camacho Road, Tamuning, GU 96913
- Phone
- (671) 300-0840
- Enumerated
- Jan 26, 2007
- Entity
- Type 1 · individual
Also registered at 851 Governor Carlos Camacho Road
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Vincent Duenas, MDInternal Medicine Physician1831244888
Verify John Taitano in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Guam board licenses this profession
Search for license M675Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
34% more Medicare Part D claims than the average internal medicine physician in 2024
3,722 Medicare Part D claims for 118 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 28 claims were for opioids.
Most prescribed
- Atorvastatin Calcium400 claims
- Metformin Hcl240 claims
- Losartan Potassium212 claims
- Amlodipine Besylate172 claims
- Lisinopril165 claims
- Omeprazole120 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.
No measured Medicare quality score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
One hospital or facility affiliation
- The Doctors ClinicTamuning, GU
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
13 internal medicine physician records list a Tamuning practice address
They are 13 of the 411 NPPES records with a Tamuning practice address, and 31 internal medicine physician records in Guam.
All 13 in Tamuning → All 31 in Guam → Every provider in Tamuning →
Other internal medicine physician records in Guam
- Joleen Aguon, M.D.Tamuning, GU1730483223
- Leopoldo Arcilla, MDMangilao, GU1144364753
- Makala Bascome, DOAgana Heights, GU1508487760
- Ellen Bez, MDTamuning, GU1649484197
- Felix Cabrera, M.D.Dededo, GU1164697546
- Young Chang, MDTamuning, GU1639218290
- Alix Chenet, MDOka Tamuning, GU1669530507
- Leslie Anne Chua, M.D.Dededo, GU1063640829
- Shadia Constantine, M.D.Dededo, GU1467610006
- Vincent Duenas, MDTamuning, GU1831244888
Common questions
What is John Taitano, MD's NPI number?
John Taitano, MD's National Provider Identifier (NPI) is 1740336247, issued on Jan 26, 2007. An NPI identifies a provider in billing; it is not a license.
Where is John Taitano, MD located?
The NPPES record lists a practice address at 851 Governor Carlos Camacho Road, Tamuning, GU, 96913. Phone: (671) 300-0840. Providers update this record themselves, so call before visiting.
How can I verify John Taitano, MD's license?
NPPES lists Guam license number M675, as entered by the provider. Search the Guam board that licenses this profession; the NPPES record confirms identity only.
How much does John Taitano, MD prescribe under Medicare Part D?
In 2024, John Taitano, MD had 3,722 Medicare Part D claims for 118 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.
What is John Taitano, MD's Medicare quality score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.