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DR. KATHLEEN FREKKO FARRELL M.D.
NPI 1033328430
Internal Medicine in Gaithersburg, MD

Active since May 22, 2007PECOS EnrolledAccepts Medicare Assignment
818 WEST DIAMOND AVENUE, STE 130, GAITHERSBURG, MD 20878(301) 948-8780(301) 519-9093 Get Directions Write a Review

NPPES record last updated: July 31, 2012. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Kathleen Frekko Farrell M.d. NPPES

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

DR. KATHLEEN FREKKO FARRELL M.D. (NPI 1033328430) is an individual internal medicine provider in Gaithersburg, Maryland, licensed in Maryland (D0061466) and active in the NPI registry since May 2007. She is enrolled in Medicare PECOS and is a graduate of Georgetown University School Of Medicine (2000).

NPPES Registry Identity

NPI1033328430
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. KATHLEEN FREKKO FARRELLCredential: M.D.
Location Address818 WEST DIAMOND AVENUE, STE 130Gaithersburg, MD 20878
Mailing Address818 West Diamond Avenue, Ste 130Gaithersburg, MD 20878 · (301) 948-8780 · Fax (301) 519-9093
Phone(301) 948-8780
Fax(301) 519-9093
Sole ProprietorYes
Medical School CMSGeorgetown University School Of MedicineGraduated 2000
Enumeration DateMay 22, 2007
Last NPPES UpdateJuly 31, 2012
✔ NPI 1033328430 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 · D0061466
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.
818 WEST DIAMOND AVENUE, Gaithersburg, MD 20878
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Other Identifiers 1

Medicare UPINH87614

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. Kathleen Frekko Farrell 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 ID6406924620
PECOS Enrollment IDI20081001000295
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 Kathleen Farrell reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Privia Care Center LLC
19 mi
Internal Medicine
950 N GLEBE RD, SUITE 4000
Arlington, VA 22203
  • Reassigned Medicare billing, District of Columbia enrollment
  • 242 clinicians in this Medicare group
NPI 1164874426 (571) 366-8850
Privia Medical Group, LLC
19 mi
Internal Medicine
950 N GLEBE RD STE 700
Arlington, VA 22203
  • Reassigned Medicare billing, District of Columbia and Maryland enrollments
  • 1,534 clinicians in this Medicare group
NPI 1013042480 (571) 366-8850

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 12

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.
275 services113 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.
193 services91 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.
163 services106 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.
81 services81 patients
Management using the results of remote vital sign monitoring per calendar month, first 20 minutes 99457
This service involves reviewing and managing your health data, which is remotely monitored and collected. Your vital signs like heart rate and blood pressure are tracked regularly throughout the month. The first 20 minutes of this data analysis per month is included in this service.
50 services14 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.
48 services48 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20878 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
$147.85 typical visit price
range $65.18 – $194.86
Typical copayment $36.96 (range $16.29 – $48.71)
Most-billed visit code 99204
Established Patient
$113.72 typical visit price
range $21.40 – $158.88
Typical copayment $28.43 (range $5.35 – $39.72)
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.

Reported Quality Measures

e-Prescribing
At least one permissible prescription written by the MIPS eligible clinician is queried for a drug formulary and transmitted electronically using certified EHR technology.
96%6,133 patients4/55-star benchmark: 99%
Health Information Exchange
The MIPS eligible clinician that transitions or refers their patient to another setting of care or health care clinician (1) uses CEHRT to create a summary of care record; and (2) electronically transmits such summary to a receiving health care clinician for…
79%890 patients4/55-star benchmark: 88%
Medication Reconciliation
The MIPS eligible clinician performs medication reconciliation for at least one transition of care in which the patient is transitioned into the care of the MIPS eligible clinician.
97%179 patients4/55-star benchmark: 100%
Patient-Specific Education
The MIPS eligible clinician must use clinically relevant information from CEHRT to identify patient-specific educational resources and provide access to those materials to at least one unique patient seen by the MIPS eligible clinician.
91%2,120 patients4/55-star benchmark: 97%
Provide Patient Access
At least one patient seen by the MIPS eligible clinician during the performance period is provided timely access to view online, download, and transmit to a third party their health information subject to the MIPS eligible clinician's discretion to withhold…
98%2,120 patients4/55-star benchmark: 100%
Secure Messaging
For at least one unique patient seen by the MIPS eligible clinician during the performance period, a secure message was sent using the electronic messaging function of CEHRT to the patient (or the patient-authorized representative), or in response to a secure…
92%2,120 patients5/55-star benchmark: 89%
View, Download, or Transmit (VDT)
At least one patient seen by the MIPS eligible clinician during the performance period (or patient-authorized representative) views, downloads or transmits their health information to a third party during the performance period.
69%2,120 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.

Referred Medical Equipment & Supplies CMS DME claims

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

Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553
DME-Other DME · category DE017N
1 supplier11 claims11 services$215.40 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 3

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

FREKKO PRIMARY CARE LLC
Family Medicine (Adult Medicine)
818 WEST DIAMOND AVENUE, STE 130
GAITHERSBURG, MD 20878
Montgomery County (301) 948-8780
DR. ANN FREKKO RAFFO MD
Internal Medicine
818 WEST DIAMOND AVENUE, STE 130
GAITHERSBURG, MD 20878
Montgomery County (301) 948-8780
DR. MARY FREKKO KILAVOS M.D.
Internal Medicine
818 WEST DIAMOND AVENUE, STE 130
GAITHERSBURG, MD 20878
Montgomery County (301) 948-8780

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 Kathleen Farrell's NPI number?

The NPI number for Kathleen Farrell is 1033328430. It was assigned to this individual provider in the NPPES registry on May 22, 2007.

Where is Kathleen Farrell located?

Kathleen Farrell practices at 818 West Diamond Avenue Ste 130, Gaithersburg, MD 20878. The listed phone number is (301) 948-8780.

What is Kathleen Farrell's specialty?

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

Is Kathleen Farrell enrolled in Medicare?

Yes. Kathleen Farrell 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 Kathleen Farrell's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Kathleen Farrell reassigns Medicare benefits to 2 organizations: Privia Care Center LLC (Arlington, VA) and Privia Medical Group, LLC (Arlington, VA). 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 Kathleen Farrell'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 Kathleen Farrell was last updated on July 31, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.