JOHN DO
NPI 1346990652
Family Medicine in Frederick, MD

Active since March 28, 2022PECOS EnrolledAccepts Medicare Assignment
141 THOMAS JOHNSON DR STE 100, FREDERICK, MD 21702(301) 228-9123 Get Directions Write a Review

NPPES record last updated: July 7, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 7, 2025, Jul 1, 2025, Jun 23, 2025 (3 updates tracked since 2025).

About John Do NPPES

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

JOHN DO (NPI 1346990652) is an individual family medicine provider in Frederick, Maryland, licensed in Maryland (H0102911) and active in the NPI registry since March 2022. He is enrolled in Medicare PECOS, is affiliated with Frederick Health Hospital, and maintains a secondary practice location in Las Vegas.

NPPES Registry Identity

NPI1346990652
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameJOHN DO
Location Address141 THOMAS JOHNSON DR STE 100Frederick, MD 21702-4509
Mailing Address141 Thomas Johnson Dr Ste 100Frederick, MD 21702-4509 · (240) 696-3927 · Fax (301) 228-9136
Sole ProprietorNo
Medical School CMSOtherGraduated 2022
Enumeration DateMarch 28, 2022
Last NPPES UpdateJuly 7, 20253 updates tracked since enumeration
NPPES CertifiedJuly 7, 2025
NPI 1346990652 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License Licensed in MD · H0102911
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
Also ListedInternal MedicineTaxonomy 207R00000X · License H0102911 (MD)
141 THOMAS JOHNSON DR STE 100, Frederick, MD 21702

Secondary Practice Location 1

Location 19300 W Sunset RdLas Vegas, NV 89148-4844 · Phone (702) 916-5000

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

John Do 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 ID6901288307
PECOS Enrollment IDI20250808000474
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.

Hospital Affiliations CMS Care Compare

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

Frederick Health Hospital

Acute Care Hospitals · Frederick, MD
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number210005
Location400 West Seventh StFrederick, MD 21701 · Frederick County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21702 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
$89.75 typical visit price
range $57.99 – $175.57
Typical copayment $22.43 (range $14.49 – $43.89)
Most-billed visit code 99203
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.

Other Providers at the Same Location NPPES 3

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

Internal Medicine
141 THOMAS JOHNSON DR STE 100
FREDERICK, MD 21702
Internal Medicine
141 THOMAS JOHNSON DR STE 100
FREDERICK, MD 21702
Internal Medicine
141 THOMAS JOHNSON DR STE 100
FREDERICK, MD 21702

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 Do's NPI number?

The NPI number for John Do is 1346990652. It was assigned to this individual provider in the NPPES registry on March 28, 2022.

Where is John Do located?

John Do practices at 141 Thomas Johnson Dr Ste 100, Frederick, MD 21702. The listed phone number is (301) 228-9123.

What is John Do's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is John Do enrolled in Medicare?

Yes. John Do 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.

Is John Do affiliated with any hospitals?

According to CMS data, John Do is affiliated with Frederick Health Hospital.

When was this NPI record last updated?

The NPPES record for John Do was last updated on July 7, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.