Ramon Arnaldo Perez-Egana Monge, M.D.
Internal Medicine Physician · Gridley, CA
Ramon Arnaldo Perez-Egana Monge, M.D. is an internal medicine physician with a practice address in Gridley, California, and NPI 1720297906, issued on May 22, 2007. Check the license (California A99906, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ramon Arnaldo Perez-Egana Monge
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A99906 CA
Self-reported in NPPES; status is on the state search - Practice location
- 240 Spruce St, Gridley, CA 95948
- Phone
- (530) 846-9080
- Enumerated
- May 22, 2007
- Record last updated
- Feb 11, 2022
- Medicare enrollment
- Enrolled (PECOS I20081113000040); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 240 Spruce St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Thomas Artzner, MDEmergency Medicine Physician1396779732
- Addison Dwyer, PTAPhysical Therapy Assistant1700522125
- Mary FalconerPhysical Therapy Assistant1710492970
- Jennifer GriningGeriatric Physical Therapist1679926232
- George Hayes, MDOrthopaedic Surgery Physician1912902677
Verify Ramon Arnaldo Perez-Egana Monge in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A99906Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.1 times the Medicare Part D claims of the average internal medicine physician in 2024
6,619 Medicare Part D claims for 621 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 211 claims were for opioids.
Most prescribed
- Atorvastatin Calcium593 claims
- Amlodipine Besylate520 claims
- Lisinopril287 claims
- Losartan Potassium247 claims
- Metformin Hcl187 claims
- Levothyroxine Sodium181 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.
Bills Medicare through one group practice
- Permanente Medical Group IncStockton, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ramon Arnaldo Perez-Egana Monge among 17,696 internal medicine physician records in California
Ramon Arnaldo Perez-Egana Monge, M.D. is one of 17,696 internal medicine physician records with a practice address in California. 79% 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 44% of them.
- NPI issued2007 · 44% of these records are older, 44% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2001 · median 2004 among the 11,065 with a school on file
- Record last updated2022 · 61% 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 California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
3 internal medicine physician records list a practice address in Gridley
They are 3 of the 132 NPPES records with a practice address in Gridley, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Gridley → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Satvir Dhillon, MDGridley, CA 959481326544586
- Nikom Udomphonkul, MDGridley, CA 959481598849192
- Walter Miller, MDGrass Valley, CA 959491013985340
- Michelle-Linh Nguyen, MDGrass Valley, CA 959491114447596
- Elisabeth Lernhardt, MDPenn Valley, CA 959461902879885
- Elizabeth Wobus, MDPenn Valley, CA 959461770673493
- Nancy Bleile, MDGrass Valley, CA 959451144246158
- Simon Chan, M.D.Grass Valley, CA 959451063431179
Common questions
What is Ramon Arnaldo Perez-Egana Monge, M.D.'s NPI number?
Ramon Arnaldo Perez-Egana Monge, M.D.'s National Provider Identifier (NPI) is 1720297906, issued on May 22, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Ramon Arnaldo Perez-Egana Monge, M.D. located?
The NPPES record lists a practice address at 240 Spruce St, Gridley, CA, 95948. Phone: (530) 846-9080. Providers update this record themselves, so call before visiting.
How can I verify Ramon Arnaldo Perez-Egana Monge, M.D.'s license?
NPPES lists California license number A99906, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ramon Arnaldo Perez-Egana Monge, M.D. prescribe under Medicare Part D?
In 2024, Ramon Arnaldo Perez-Egana Monge, M.D. had 6,619 Medicare Part D claims for 621 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.