DR. CHARLES D GERLACH M.D.
NPI 1053369447
Internal Medicine in Harrisburg, PA

Q: What is Charles Gerlach's NPI number?

The NPI number for Charles Gerlach is 1053369447. It was assigned to this individual provider in the NPPES registry on May 5, 2006.

Q: What is Charles Gerlach's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Q: When was this NPI record last updated?

The NPPES record for Charles Gerlach was last updated on January 2, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since May 05, 2006PECOS EnrolledAccepts Medicare Assignment

82.54/100

CMS Quality Rating

805 SIR THOMAS CT, 1ST FLOOR, HARRISBURG, PA 17109(717) 988-0020(717) 703-5746 Get Directions Write a Review

NPPES record last updated: January 2, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jan 2, 2021, Jun 9, 2020, May 13, 2019 and 3 more (6 updates tracked since 2016).

On this page

About Dr. Charles D Gerlach M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. CHARLES D GERLACH M.D. (NPI 1053369447) is an individual internal medicine provider in Harrisburg, Pennsylvania, licensed in Pennsylvania (MD040699L) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with Upmc Carlisle, and is a graduate of Other (1985).

NPPES Registry Identity

NPI1053369447

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameDR. CHARLES D GERLACHCredential: M.D.

Location Address805 SIR THOMAS CT, 1ST FLOORHarrisburg, PA 17109-4839

Mailing Address805 Sir Thomas Ct Fl 1Harrisburg, PA 17109-4839

Phone(717) 988-0020

Fax(717) 703-5746

Sole ProprietorNo

Medical School CMSOtherGraduated 1985

Enumeration DateMay 5, 2006

Last NPPES UpdateJanuary 2, 20216 updates tracked since enumeration

NPPES CertifiedJanuary 2, 2021

✔ NPI 1053369447 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in PA · MD040699L

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

805 SIR THOMAS CT, Harrisburg, PA 17109

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Other Identifiers 1

Medicaid001157489PA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Charles D Gerlach M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7214017763

PECOS Enrollment IDI20080109000646

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show Charles Gerlach reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Pinnacle Health Medical Services

Same address

Orthopaedic Surgery

820 SIR THOMAS CT
Harrisburg, PA 17109

Reassigned Medicare billing, Pennsylvania enrollment
1,902 clinicians in this Medicare group

NPI 1770155913 (176) 529-5557

Pinnacle Health Regional Physicians

3.3 mi

Internal Medicine

409 S 2ND ST, SUITE 2F
Harrisburg, PA 17104

Reassigned Medicare billing, Pennsylvania enrollment
468 clinicians in this Medicare group

NPI 1013441690 (717) 231-8929

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 13

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Insertion of needle into vein for collection of blood sample 36415

This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.

623 services315 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

564 services286 patients

Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439

An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.

163 services163 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

134 services99 patients

Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 99490

Chronic care management services involve a healthcare professional directing clinical staff in managing your chronic conditions. This includes the first 20 minutes per month of services like medication management, care coordination, and health monitoring to help improve your health and quality of life.

73 services20 patients

Transitional care management services for problem of at least moderate complexity 99495

Transitional care management services focus on coordinating and managing your care after you leave the hospital. For moderate complexity problems, this involves managing your medications, arranging further treatments, and ensuring you have the necessary follow-ups.

62 services52 patients

Injection of drug or substance under skin or into muscle 96372

This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.

58 services25 patients

Administration of influenza virus vaccine G0008

The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.

44 services44 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

41 services39 patients

Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg J3420

This is a procedure where a small dose of Vitamin B-12, also known as Cyanocobalamin, is injected into your body. This vitamin is essential for nerve function and the production of red blood cells. It's often used to treat vitamin B-12 deficiency.

27 services11 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000

An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.

18 services18 patients

Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional 99211

This service involves an outpatient visit for established patients who may not need direct interaction with a healthcare professional. It could include reviewing test results, monitoring existing conditions, or adjusting treatment plans. It's typically done remotely, ensuring your comfort and convenience.

12 services11 patients

Annual depression screening, 5 to 15 minutes G0444

An annual depression screening is a short, routine evaluation to check for signs of depression. It involves answering a series of questions about your feelings, thoughts, and behaviors. The process takes about 15 minutes and helps detect depression early for better management.

11 services11 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Upmc Carlisle

Acute Care Hospitals · Carlisle, PA

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number390058

Location361 Alexander Spring RoadCarlisle, PA 17015 · Cumberland County

Emergency services Birthing friendly

Upmc Pinnacle Hospitals

Acute Care Hospitals · Harrisburg, PA

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number390067

Location409 South Second StreetHarrisburg, PA 17104 · Dauphin County

Emergency services Birthing friendly

Milton S Hershey Medical Center

Acute Care Hospitals · Hershey, PA

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number390256

Location500 University DriveHershey, PA 17033 · Dauphin County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 17109 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$126.34 typical visit price

range $54.64 – $166.87

Typical copayment $31.58 (range $13.66 – $41.71)

Most-billed visit code 99204

Established Patient

$96.82 typical visit price

range $17.33 – $135.84

Typical copayment $24.20 (range $4.33 – $33.96)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

82.54/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

76.62

Promoting Interoperability

100

Improvement Activities

Cost

65.18

Referred Medical Equipment & Supplies CMS DME claims 8

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253

DME-Other DME · category DE017N

17 suppliers47 claims165 services$6.51 avg. paid by Medicare

Filter, disposable, used with positive airway pressure device A7038

DME-Other DME · category DE001N

4 suppliers14 claims84 services$2.11 avg. paid by Medicare

Hospital bed, semi-electric (head and foot adjustment), with any type side rails, with mattress E0260

DME-Hospital Beds · category DB000N

2 suppliers20 claims20 services$42.28 avg. paid by Medicare

Nebulizer, with compressor E0570

DME-Other DME · category DE000N

1 supplier15 claims15 services$4.05 avg. paid by Medicare

Patient lift, hydraulic or mechanical, includes any seat, sling, strap(s) or pad(s) E0630

DME-Other DME · category DE000N

1 supplier12 claims12 services$41.50 avg. paid by Medicare

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390

DME-Oxygen and Supplies · category DC002N

2 suppliers12 claims12 services$84.28 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 16

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

CHANTEL MARIE EVANS-HADLEY

Registered Nurse

805 SIR THOMAS CT
HARRISBURG, PA 17109

Dauphin County (717) 988-0020

DR. DENISE F MONTISANO MD

Family Medicine

805 SIR THOMAS CT, 2ND FLOOR
HARRISBURG, PA 17109

Dauphin County (717) 657-3030

MISS KORI ANN MORGAN CRNP

Nurse Practitioner (Family)

805 SIR THOMAS CT, FIRST FLOOR
HARRISBURG, PA 17109

Dauphin County (717) 988-0020

TAMARA S MURPHY PA-C

Physician Assistant

805 SIR THOMAS CT, 2ND FLOOR
HARRISBURG, PA 17109

Dauphin County (717) 657-3030

THE ARLINGTON GROUP INC

Orthopaedic Surgery

805 SIR THOMAS CT
HARRISBURG, PA 17109

Dauphin County (717) 652-9555

HAILEY MAYHUE

Pharmacist

805 SIR THOMAS CT
HARRISBURG, PA 17109

Dauphin County (717) 657-3030

DR. JACK HOLLAND MOODY MD

Internal Medicine

805 SIR THOMAS CT, FIRST FLOOR
HARRISBURG, PA 17109

Dauphin County (717) 988-0020

PINNACLE HEALTH MEDICAL SERVICES

Family Medicine

805 SIR THOMAS CT, 2ND FLOOR
HARRISBURG, PA 17109

Dauphin County (717) 782-5905

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Charles Gerlach's NPI number?

The NPI number for Charles Gerlach is 1053369447. It was assigned to this individual provider in the NPPES registry on May 5, 2006.

Where is Charles Gerlach located?

Charles Gerlach practices at 805 Sir Thomas Ct 1st Floor, Harrisburg, PA 17109. The listed phone number is (717) 988-0020.

What is Charles Gerlach's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Charles Gerlach enrolled in Medicare?

Yes. Charles Gerlach is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Charles Gerlach's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Charles Gerlach reassigns Medicare benefits to 2 organizations: Pinnacle Health Medical Services (Harrisburg, PA) and Pinnacle Health Regional Physicians (Harrisburg, PA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Charles Gerlach's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Charles Gerlach affiliated with any hospitals?

According to CMS data, Charles Gerlach is affiliated with Upmc Carlisle, Upmc Pinnacle Hospitals and Milton S Hershey Medical Center.

When was this NPI record last updated?

The NPPES record for Charles Gerlach was last updated on January 2, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.