Johnny C. Lim, M.D.
Internal Medicine Physician · Tamuning, GU
Johnny C. Lim, M.D. is an internal medicine physician with a practice address in Tamuning, Guam, and NPI 1265494868, issued on Apr 6, 2006. Check the license (Guam M-1378, as entered in NPPES) with the Guam board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Johnny C. Lim
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- M-1378 GU
Self-reported in NPPES; status is on the state search - Practice location
- 2211 Army Drive, Suite 105, Tamuning, GU 96913
- Phone
- (671) 647-5546
- Enumerated
- Apr 6, 2006
- Record last updated
- May 18, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (671) 647-5550
- Medicare enrollment
- Enrolled (PECOS I20221101001191); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 24 in Guam → Look up another NPI →
Verify Johnny C. Lim in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Guam board licenses this profession
Search for license M-1378Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
31% more Medicare Part D claims than the average internal medicine physician in 2024
4,147 Medicare Part D claims for 124 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 24 claims were for opioids.
Most prescribed
- Atorvastatin Calcium510 claims
- Allopurinol279 claims
- Amlodipine Besylate261 claims
- Losartan Potassium217 claims
- Metoprolol Succinate145 claims
- Tamsulosin Hcl126 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: $25.45
1 payment: food and beverage; the largest payer was Amgen 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
- Adult Health Care Clinic LLCTamuning, GU
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Johnny C. Lim among 24 internal medicine physician records in Guam
Johnny C. Lim, M.D. 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 2006, is newer than 0% of them.
- NPI issued2006 · 0% of these records are older, 67% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated1993 · median 1993 among the 16 with a school on file
- Record last updated2011 · 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).
12 internal medicine physician records list a practice address in Tamuning
They are 12 of the 411 NPPES records with a practice address in Tamuning, and 24 internal medicine physician records in Guam.
All 24 in Guam → Every provider in Tamuning → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Leopoldo Arcilla, MDMangilao, GU 969131144364753
- Ellen Bez, MDTamuning, GU 969131649484197
- Young Chang, MDTamuning, GU 969131639218290
- Alix Chenet, MDOka Tamuning, GU 969131669530507
- Vincent Duenas, MDTamuning, GU 969131831244888
- Pablo Guzman, M.D.Tamuning, GU 969131023081304
- Doris Lim, M.D.Tamuning, GU 969131295790178
- Florencio Lizama, M.D.Tamuning, GU 969131538220553
Common questions
What is Johnny C. Lim, M.D.'s NPI number?
Johnny C. Lim, M.D.'s National Provider Identifier (NPI) is 1265494868, issued on Apr 6, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Johnny C. Lim, M.D. located?
The NPPES record lists a practice address at 2211 Army Drive, Suite 105, Tamuning, GU, 96913. Phone: (671) 647-5546. Providers update this record themselves, so call before visiting.
How can I verify Johnny C. Lim, M.D.'s license?
NPPES lists Guam license number M-1378, as entered by the provider. Search the Guam board that licenses this profession; the NPPES record confirms identity only.
How much does Johnny C. Lim, M.D. prescribe under Medicare Part D?
In 2024, Johnny C. Lim, M.D. had 4,147 Medicare Part D claims for 124 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.