J. Harold Mohler, MD
Internal Medicine Physician · Lancaster, PA
J. Harold Mohler, MD is an internal medicine physician with a practice address in Lancaster, Pennsylvania, and NPI 1215931274, issued on Jun 8, 2005. Check the license (Pennsylvania 021856E, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- J. Harold Mohler
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 021856E PA
Self-reported in NPPES; status is on the state search - Practice location
- Lancaster Internal Medicine Group, Lancaster, PA 17602
- Phone
- (717) 393-8131
- Enumerated
- Jun 8, 2005
- Record last updated
- Jun 16, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (717) 393-9107
- Medicaid ID
- 0006942060002 PA
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,300 in Pennsylvania → Look up another NPI →
Also registered at Lancaster Internal Medicine Group
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Carlos Sanchez, MDInternal Medicine Physician1669476628
Verify J. Harold Mohler in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license 021856ECheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average internal medicine physician in 2024
76 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Amlodipine Besylate-Benazepril13 claims
- Atorvastatin Calcium13 claims
- Donepezil Hcl13 claims
- Mirtazapine13 claims
- Duloxetine Hcl12 claims
- Hydrochlorothiazide12 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.
J. Harold Mohler among 7,300 internal medicine physician records in Pennsylvania
J. Harold Mohler, 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 91% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileNo · 58% of these records are
- Record last updated2010 · 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
- Nancy Adamopoulos, MDLancaster, PA 176021003896283
- Christopher Addis, M.D.Lancaster, PA 176021649269150
- Philip Billoni, MDLancaster, PA 176021255320222
- Hyasmine Charles, MDLancaster, PA 176021922059526
- Vinesh Dedhia, MDLancaster, PA 176021487747614
- John Derderian, DOLancaster, PA 176021477595445
- Michelle Jordan, DOLancaster, PA 176021700815214
- Otto Lauter, M.D.Lancaster, PA 176021174512230
Common questions
What is J. Harold Mohler, MD's NPI number?
J. Harold Mohler, MD's National Provider Identifier (NPI) is 1215931274, issued on Jun 8, 2005. An NPI identifies a provider in billing; it is not a license.
Where is J. Harold Mohler, MD located?
The NPPES record lists a practice address at Lancaster Internal Medicine Group, Lancaster, PA, 17602. Phone: (717) 393-8131. Providers update this record themselves, so call before visiting.
How can I verify J. Harold Mohler, MD's license?
NPPES lists Pennsylvania license number 021856E, 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 J. Harold Mohler, MD prescribe under Medicare Part D?
In 2024, J. Harold Mohler, MD had 76 Medicare Part D claims; 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.