Maria Monica Calderon, MD
Internal Medicine Physician · Lancaster, PA
Maria Monica Calderon, MD is an internal medicine physician with a practice address in Lancaster, Pennsylvania, and NPI 1326152760, issued on Aug 19, 2006. Check the license (Pennsylvania MD429873, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Maria Monica Calderon
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MD429873 PA
Self-reported in NPPES; status is on the state search - Practice location
- 2110 Harrisburg Pike, Lancaster, PA 17601
- Phone
- (717) 544-3191
- Enumerated
- Aug 19, 2006
- Record last updated
- Oct 24, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (717) 544-3637
- Medicare enrollment
- Enrolled (PECOS I20061002000427); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,300 in Pennsylvania → Look up another NPI →
Also registered at 2110 Harrisburg Pike
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Paul Conslato, M.D.Internal Medicine Physician1366431934
- Kathryn Couch, CRNPFamily Nurse Practitioner1437558962
- Thomas Grana, D.O.Internal Medicine Physician1437247954
- Viviana Hardy, M.D.Endocrinology, Diabetes & Metabolism Physician1093703803
- Alan Hay, MDOccupational Medicine Physician1649233248
Verify Maria Monica Calderon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD429873Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
66% more Medicare Part D claims than the average internal medicine physician in 2024
5,277 Medicare Part D claims for 628 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. 109 claims were for opioids.
Most prescribed
- Atorvastatin Calcium288 claims
- Levothyroxine Sodium277 claims
- Rosuvastatin Calcium274 claims
- Losartan Potassium262 claims
- Amlodipine Besylate260 claims
- Omeprazole176 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
- Lancaster General Medical GroupLancaster, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Maria Monica Calderon among 7,300 internal medicine physician records in Pennsylvania
Maria Monica Calderon, MD is one of 7,300 internal medicine physician records with a practice address in Pennsylvania. 78% 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 9% of them.
- NPI issued2006 · 9% of these records are older, 64% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2000 · median 2008 among the 4,208 with a school on file
- Record last updated2008 · 56% 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 Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
91 internal medicine physician records list a practice address in Lancaster
They are 91 of the 5,378 NPPES records with a practice address in Lancaster, and 7,300 internal medicine physician records in Pennsylvania.
All 7,300 in Pennsylvania → Every provider in Lancaster → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Sylvia Allwardt, MDLancaster, PA 176011609819580
- Jennie Barbieri, MDLancaster, PA 176011285836015
- Jarol Boan, M.D.Lancaster, PA 176011427007541
- Paul Conslato, M.D.Lancaster, PA 176011366431934
- Elizabeth Ehrlich Chapman, DOLancaster, PA 176011528450483
- Marion George, MDLancaster, PA 176011205816295
- Thomas Grana, D.O.Lancaster, PA 176011437247954
- Joan Harrold, MDLancaster, PA 176011215935580
Common questions
What is Maria Monica Calderon, MD's NPI number?
Maria Monica Calderon, MD's National Provider Identifier (NPI) is 1326152760, issued on Aug 19, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Maria Monica Calderon, MD located?
The NPPES record lists a practice address at 2110 Harrisburg Pike, Lancaster, PA, 17601. Phone: (717) 544-3191. Providers update this record themselves, so call before visiting.
How can I verify Maria Monica Calderon, MD's license?
NPPES lists Pennsylvania license number MD429873, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Maria Monica Calderon, MD prescribe under Medicare Part D?
In 2024, Maria Monica Calderon, MD had 5,277 Medicare Part D claims for 628 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.