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DR. JOHN ALLEN REILLY M.D., M.S.
NPI 1700900891
Internal Medicine in Emmitsburg, MD

Active since March 16, 2007PECOS Enrolled
16722 ANNANDALE RD STE D-1, EMMITSBURG, MD 21727(301) 662-1512(301) 662-5589 Get Directions Write a Review

NPPES record last updated: June 21, 2018. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. John Allen Reilly M.d., M.s. NPPES

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

DR. JOHN ALLEN REILLY M.D., M.S. (NPI 1700900891) is an individual internal medicine provider in Emmitsburg, Maryland, licensed in Maryland (D54749) and active in the NPI registry since March 2007. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1700900891
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. JOHN ALLEN REILLYCredential: M.D., M.S.
Location Address16722 ANNANDALE RD STE D-1Emmitsburg, MD 21727
Mailing Address16722 Annandale Rd Ste D-1Emmitsburg, MD 21727-8908 · (301) 662-1512 · Fax (301) 662-5589
Phone(301) 662-1512
Fax(301) 662-5589
Sole ProprietorYes
Enumeration DateMarch 16, 2007
Last NPPES UpdateJune 21, 2018
✔ NPI 1700900891 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in MD · D54749
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.
16722 ANNANDALE RD STE D-1, Emmitsburg, MD 21727
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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 (PECOS)

Dr. John Allen Reilly M.d., M.s. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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

2

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

Ctg LLC
43 mi
Medical
418 WINDING ROSE DR
Rockville, MD 20850
  • Reassigned Medicare billing, District of Columbia enrollment
  • 8 clinicians in this Medicare group
NPI 1376914481 (443) 858-9401
Hebrew Home Of Greater Washington Inc
46 mi
Geriatric Medicine
6121 MONTROSE RD
Rockville, MD 20852
  • Reassigned Medicare billing, District of Columbia enrollment
  • 18 clinicians in this Medicare group
NPI 1497572275 (301) 770-8377

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 2

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.

Assessment of and care planning for patient with impaired thought processing, typically 60 minutes 99483
This service involves a thorough evaluation of your thought processes, which may be impacting your daily life. In a typical 50-minute session, a healthcare professional will assess your cognitive abilities, identify any areas of concern, and develop a personalized care plan to help improve your mental function.
45 services45 patients
Residence visit for established patient with high level of medical decision making, per day, if using time, at least 60 minutes 99350
An established patient home visit is a service where a healthcare professional visits a patient's home for a check-up or treatment. The visit typically lasts for about an hour. This service is especially beneficial for patients who may have difficulty traveling to a healthcare facility.
34 services24 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21727 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.

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 John Reilly's NPI number?

The NPI number for John Reilly is 1700900891. It was assigned to this individual provider in the NPPES registry on March 16, 2007.

Where is John Reilly located?

John Reilly practices at 16722 Annandale Rd Ste D-1, Emmitsburg, MD 21727. The listed phone number is (301) 662-1512.

What is John Reilly's specialty?

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

Is John Reilly enrolled in Medicare?

Yes. John Reilly is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for John Reilly's services?

According to the CMS Revalidation Reassignment List (October 2026 release), John Reilly reassigns Medicare benefits to 2 organizations: Ctg LLC (Rockville, MD) and Hebrew Home Of Greater Washington Inc (Rockville, 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 John Reilly's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for John Reilly was last updated on June 21, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.