Charles Mershon, MD
NPI 1336182781 · Family Medicine Physician · Lititz, PA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Charles Mershon, MD is a Family Medicine Physician provider in Lititz, PA (NPI 1336182781).
Provider details
- NPI number
- 1336182781
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD033957E (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,712 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 553 | $122 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 319 | $7 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 305 | $16 |
| Anticoagulant Management of Patient Taking Warfarin93793 | 179 | $11 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 100 | $86 |
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 164 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 821 | 184 |
| Levothyroxine Sodium | 528 | 107 |
| Metoprolol Succinate | 380 | 75 |
| Omeprazole | 364 | 75 |
| Lisinopril | 353 | 82 |
| Famotidine | 334 | 73 |
| Losartan Potassium | 326 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-14
- Last updated
- 2007-07-08
Frequently asked questions
- What is Charles Mershon's NPI number?
- Charles Mershon's National Provider Identifier (NPI) is 1336182781, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Charles Mershon's specialty?
- Charles Mershon is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Charles Mershon located?
- Charles Mershon's practice location on file with NPPES is 6 W Newport Rd, Lititz, PA 17543-7774.
- What is Charles Mershon's phone number?
- The practice phone number listed in the NPPES registry for Charles Mershon is (717) 627-2108.
- Does Charles Mershon accept Medicare?
- Charles Mershon is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Charles Mershon's NPI active?
- Yes — Charles Mershon's NPI (1336182781) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.