NPPES file of Aug 9, 2026

Leopoldo Clava Arcilla, MD

Internal Medicine Physician · Mangilao, GU

Leopoldo Clava Arcilla, MD is an internal medicine physician with a practice address in Mangilao, Guam, and NPI 1144364753, issued on Feb 16, 2007. Check the license (Guam M- 1565, as entered in NPPES) with the Guam board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1144364753
Name
Leopoldo Clava Arcilla
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
M- 1565 GU
4301069506 MI
Self-reported in NPPES; status is on the state search
Practice location
123 Chalan Kareta, Mangilao, GU 96913
Phone
(671) 635-7400
Enumerated
Feb 16, 2007
Record last updated
Mar 31, 2013 (not updated in 13 years: call before relying on the address or phone)
Fax
(671) 635-7413
Medicare enrollment
Enrolled (PECOS I20150609000511); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 123 Chalan Kareta

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Cynthia Dumlao-Taitano, NPWomen's Health Nurse Practitioner1861721052
  2. Janna Manglona, M.D.Internal Medicine Physician1710914338
  3. Patricia Solidum, NPWomen's Health Nurse Practitioner1396074407

Verify Leopoldo Clava Arcilla in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Guam board licenses this profession
    Search for license M- 1565
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Guam license search

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10% fewer Medicare Part D claims than the average internal medicine physician in 2024

2,856 Medicare Part D claims for 109 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.

  1. Leopoldo Arcilla2,856
  2. Specialty average3,176

Most prescribed

  1. Amlodipine Besylate311 claims
  2. Atorvastatin Calcium218 claims
  3. Metformin Hcl136 claims
  4. Losartan-Hydrochlorothiazide131 claims
  5. Metoprolol Succinate119 claims
  6. Losartan Potassium106 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 MIPS final 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).

Leopoldo Clava Arcilla among 24 internal medicine physician records in Guam

Leopoldo Clava Arcilla, MD is one of 24 internal medicine physician records with a practice address in Guam. 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 2007, is newer than 33% of them.

  • NPI issued2007 · 33% of these records are older, 42% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 67% of these records are
  • Graduated1997 · median 1993 among the 16 with a school on file
  • Record last updated2013 · 50% 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 Guam practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

2 internal medicine physician records list a practice address in Mangilao

They are 2 of the 15 NPPES records with a practice address in Mangilao, and 24 internal medicine physician records in Guam.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Ellen Bez, MDTamuning, GU 969131649484197
  2. Young Chang, MDTamuning, GU 969131639218290
  3. Alix Chenet, MDOka Tamuning, GU 969131669530507
  4. Vincent Duenas, MDTamuning, GU 969131831244888
  5. Pablo Guzman, M.D.Tamuning, GU 969131023081304
  6. Johnny Lim, M.D.Tamuning, GU 969131265494868
  7. Doris Lim, M.D.Tamuning, GU 969131295790178
  8. Florencio Lizama, M.D.Tamuning, GU 969131538220553

Common questions

What is Leopoldo Clava Arcilla, MD's NPI number?

Leopoldo Clava Arcilla, MD's National Provider Identifier (NPI) is 1144364753, issued on Feb 16, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Leopoldo Clava Arcilla, MD located?

The NPPES record lists a practice address at 123 Chalan Kareta, Mangilao, GU, 96913. Phone: (671) 635-7400. Providers update this record themselves, so call before visiting.

How can I verify Leopoldo Clava Arcilla, MD's license?

NPPES lists Guam license number M- 1565, as entered by the provider. Search the Guam board that licenses this profession; the NPPES record confirms identity only.

How much does Leopoldo Clava Arcilla, MD prescribe under Medicare Part D?

In 2024, Leopoldo Clava Arcilla, MD had 2,856 Medicare Part D claims for 109 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Leopoldo Clava Arcilla, MD's MIPS final 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), 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.