DR. CHRISTINE P LEWIS M.D.
NPI 1659361723
Internal Medicine - Gastroenterology in Hagerstown, MD

Q: What is Christine Lewis's NPI number?

The NPI number for Christine Lewis is 1659361723. It was assigned to this individual provider in the NPPES registry on October 28, 2005.

Q: What is Christine Lewis's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Q: When was this NPI record last updated?

The NPPES record for Christine Lewis was last updated on March 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months 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 October 28, 2005PECOS EnrolledAccepts Medicare Assignment

91/100

CMS Quality Rating

11110 MEDICAL CAMPUS RD, SUITE 246, HAGERSTOWN, MD 21742(301) 665-4585(301) 665-4587 Get Directions Write a Review

NPPES record last updated: March 10, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

On this page

About Dr. Christine P Lewis M.d. NPPES

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

DR. CHRISTINE P LEWIS M.D. (NPI 1659361723) is an individual gastroenterology provider in Hagerstown, Maryland, licensed in Maryland (D54630) and active in the NPI registry since October 2005. She is enrolled in Medicare PECOS, is affiliated with Meritus Medical Center, and is a graduate of Howard University College Of Medicine (1993).

NPPES Registry Identity

NPI1659361723

Entity TypeIndividualFemale

Primary Taxonomy207RG0100X

Provider Legal NameDR. CHRISTINE P LEWISCredential: M.D.

Location Address11110 MEDICAL CAMPUS RD, SUITE 246Hagerstown, MD 21742-6700

Mailing Address11110 Medical Campus Rd Ste 246Hagerstown, MD 21742-6756 · (301) 665-4585 · Fax (301) 665-4587

Phone(301) 665-4585

Fax(301) 665-4587

Sole ProprietorNo

Medical School CMSHoward University College Of MedicineGraduated 1993

Enumeration DateOctober 28, 2005

Last NPPES UpdateMarch 10, 2026

NPPES CertifiedMarch 10, 2026

✔ NPI 1659361723 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

License✔ Licensed in MD · D54630

Definition

An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

11110 MEDICAL CAMPUS RD, Hagerstown, MD 21742

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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. Christine P Lewis 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 ID6002949690

PECOS Enrollment IDI20100803000796

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 Christine Lewis reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Medical Practices Of Antietam LLC

Same address

Clinic/Center

11110 MEDICAL CAMPUS RD
Hagerstown, MD 21742

Reassigned Medicare billing, Maryland enrollment
242 clinicians in this Medicare group

NPI 1710854963 (301) 790-8000

Gastrointestinal Associates Of Maryland PA

81 mi

Gastroenterology

3510 OLD WASHINGTON RD STE 201
Waldorf, MD 20602

Reassigned Medicare billing, Maryland enrollment
11 clinicians in this Medicare group

NPI 1164404125 (301) 645-8035

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 16

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.

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.

255 services249 patients

Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239

This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.

95 services93 patients

Biopsy of large bowel using a flexible endoscope 45380

A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.

86 services86 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

73 services48 patients

Diagnostic exam of large bowel using a flexible endoscope 45378

This procedure, known as a colonoscopy, involves using a flexible tube with a light and camera to examine the large intestine. It helps detect any abnormalities such as polyps or inflammation. It's a standard procedure to ensure gut health.

64 services64 patients

Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385

This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.

43 services43 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

42 services39 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.

35 services35 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

32 services32 patients

Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk G0121

Colorectal cancer screening, such as a colonoscopy, is a preventive measure to detect early signs of cancer in the large intestine. For individuals not at high risk, it's typically recommended at age 50. A small, flexible tube with a camera is used to examine your colon. It's a safe, effective way to catch issues early.

26 services26 patients

Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43235

This procedure, known as an upper endoscopy, involves inserting a thin, flexible tube with a camera down the throat to examine the esophagus, stomach, and upper small bowel. It helps diagnose conditions like ulcers or inflammation.

18 services18 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

17 services16 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.

15 services15 patients

Telephone medical discussion with physician, 21-30 minutes 99443

This service involves a 21-30 minute phone conversation with a physician. It's a chance for you to discuss your health concerns, symptoms or treatment plans. It's similar to an in-person consultation, but conducted over the phone for your convenience and safety.

15 services14 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

14 services14 patients

Colorectal cancer screening; colonoscopy on individual at high risk G0105

Colorectal cancer screening, specifically a colonoscopy, is a preventive measure for those at high risk. A thin, flexible tube with a camera inspects the colon to spot any abnormal growths. This test helps detect potential issues early, enhancing the effectiveness of treatment.

13 services13 patients

Hospital Affiliations CMS Care Compare

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

Meritus Medical Center

Acute Care Hospitals · Hagerstown, MD

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number210001

Location11116 Medical Campus RoadHagerstown, MD 21742 · Washington County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21742 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

$133.05 typical visit price

range $57.99 – $175.57

Typical copayment $33.26 (range $14.49 – $43.89)

Most-billed visit code 99204

Established Patient

$102.11 typical visit price

range $18.66 – $143.02

Typical copayment $25.52 (range $4.66 – $35.75)

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.

91/100

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

Individually scored

Quality

88.73

Improvement Activities

Cost

85.02

Reported Quality Measures

Advance Care Plan

100%610 patients5/55-star benchmark: 100%

Colorectal Cancer Screening

84%837 patients4/55-star benchmark: 100%

Documentation of Current Medications in the Medical Record

100%1,160 patients5/55-star benchmark: 100%

Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan

100%1,020 patients5/55-star benchmark: 100%

Preventive Care and Screening: Screening for High Blood Pressure and Follow-Up Documented

98%1,083 patients4/55-star benchmark: 100%

Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention

Patients screened: 100% · 69 patients

100%69 patients

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES 20

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

JEANNE MOYER PHYSICAL THERAPY

Physical Therapist

11110 MEDICAL CAMPUS RD, 201
HAGERSTOWN, MD 21742

Washington County (301) 714-4025

JURIS G. EYLER PA-S

Physician Assistant

11110 MEDICAL CAMPUS RD, SUITE 205
HAGERSTOWN, MD 21742

Washington County (301) 665-4950

MRS. JULIE DIANE CATHOR P.A. - C

Physician Assistant (Medical)

11110 MEDICAL CAMPUS RD, SUITE 100
HAGERSTOWN, MD 21742

Washington County (240) 313-9640

TOBI SMITH OCCUPATIONAL THERAPY

Occupational Therapist

11110 MEDICAL CAMPUS RD, 201
HAGERSTOWN, MD 21742

Washington County (301) 714-4025

KRISTIN L WEAVER PTA

Physical Therapy Assistant

11110 MEDICAL CAMPUS RD
HAGERSTOWN, MD 21742

Washington County (301) 665-4970

MATTHEW SCOTT TROYER DO

Student in an Organized Health Care Education/Training Program

11110 MEDICAL CAMPUS RD
HAGERSTOWN, MD 21742

Washington County (301) 790-8000

DR. JAMES E CREMINS M.D.

Internal Medicine (Gastroenterology)

11110 MEDICAL CAMPUS RD, SUITE 242
HAGERSTOWN, MD 21742

Washington County (240) 382-3783

SUSAN AKRIDGE RN, CDE

Registered Nurse (Diabetes Educator)

11110 MEDICAL CAMPUS RD, SUTIE 108
HAGERSTOWN, MD 21742

Washington County (301) 714-4041

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 Christine Lewis's NPI number?

The NPI number for Christine Lewis is 1659361723. It was assigned to this individual provider in the NPPES registry on October 28, 2005.

Where is Christine Lewis located?

Christine Lewis practices at 11110 Medical Campus Rd Suite 246, Hagerstown, MD 21742. The listed phone number is (301) 665-4585.

What is Christine Lewis's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Christine Lewis enrolled in Medicare?

Yes. Christine Lewis 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 Christine Lewis's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Christine Lewis reassigns Medicare benefits to 2 organizations: Medical Practices Of Antietam LLC (Hagerstown, MD) and Gastrointestinal Associates Of Maryland PA (Waldorf, MD). 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 Christine Lewis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Christine Lewis affiliated with any hospitals?

According to CMS data, Christine Lewis is affiliated with Meritus Medical Center.

When was this NPI record last updated?

The NPPES record for Christine Lewis was last updated on March 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months 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.