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Edit this profileWhere to find Patrick D. Farrell, D.O.
- Frederick location main office
9093 Ridgefield Dr Ste 104, Frederick, MD 21701 - Belleville location
180 S 3rd St, Suite 300, Belleville, IL 62220 - O Fallon location
3 Saint Elizabeth Blvd Ste 4000, O Fallon, IL 62269 - Saint Charles location
300 1st Capitol Dr, Saint Charles, MO 63301 - Lake Saint Louis location
100 Medical Plz, Lake Saint Louis, MO 63367
About Dr. Farrell
Patrick D. Farrell, D.O. is a healthcare provider in Frederick, MD specializing in family medicine. Medicare claims data shows Patrick provided 932 services to 740 patients. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit. This provider record is associated with NPI 1053765487.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (301) 682-4100
- Email not available
Practice Locations
9093 RIDGEFIELD DR STE 104
Frederick, MD 21701
180 S 3rd St Suite 300
Belleville, IL 62220
3 Saint Elizabeth Blvd Ste 4000
O Fallon, IL 62269
300 1st Capitol Dr
Saint Charles, MO 63301
100 Medical Plz
Lake Saint Louis, MO 63367
Conditions Commonly Evaluated or Treated
Within Family Medicine generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
- Allergies
- Diabetes
- Flu
- Hypothyroidism
- Strep throat
- UTI
Cardiometabolic
Digestive
Genitourinary and reproductive
Musculoskeletal and pain
Neurologic and behavioral
Respiratory and infectious
Skin
Common childhood and ear conditions
Pain & Joints
Procedures & services
Most searched procedures
- Annual physical
- Blood test
- Flu shot
- Medicare wellness visit
- Sick visit
- TB test
- Well-woman exam
Preventive interventions
Screening and testing
- Cholesterol screening
- Depression screening
- Diabetes and prediabetes screening
- EKG
Diagnostic Tests
- COVID-19 testing
- Rapid Strep and Flu Swabs
- Urine Drug Screen
Exams & Screenings
- Camp and School Physical
- Pre-Op Clearance Exam
Foot and Leg Pain
- Toenail Fungus Treatment
Heart & Circulation
Injections
Lungs & Breathing
Minor Procedures
- Burn and Wound Care
- Ingrown toenail removal
- Suture removal
Occupational Health
- DOT Physical
Office procedures
- Earwax removal
- Incision and drainage of an abscess
- Superficial foreign-body removal
Pain Management
- Joint injections
Preventive Care
- Chronic Illness Checkup
- Routine Vaccines
- Travel Vaccines And Consult
Respiratory
Senior Care
Sexual & Reproductive Health
Skin Procedures
- Cyst Removal
- Precancerous Sun Spot Freezing
- Skin Tag Removal
- Wart Removal
Sleep Health
- At-Home Sleep Study Order
Urgent Care Procedures
- Stitches and Laceration Repair
Wellness & Weight
- Weight Management Consult
Women's Health
- Hormone Replacement Therapy Consultation
Procedures Most Often Billed to Medicare
932 services · 740 patients · 15 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Influenza vaccine split virus, preservative free | Treatment | 90662 |
62 | More often than most peers in Family Medicine |
| Sarscov2 vac 50 mcg/0.5ml im | Treatment | 91322 |
18 | As often as other peers in Family Medicine |
| Admn sarscov2 vacc 1 dose | Treatment | 90480 |
18 | As often as other peers in Family Medicine |
| Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use | Treatment | 90677 |
17 | As often as other peers in Family Medicine |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
297 | More often than most peers in Family Medicine |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
166 | More often than most peers in Family Medicine |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Billing code | G0439 |
113 | More often than most peers in Family Medicine |
| Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient' | Billing code | G2211 |
87 | As often as other peers in Family Medicine |
| Administration of influenza virus vaccine | Billing code | G0008 |
64 | More often than most peers in Family Medicine |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
19 | As often as other peers in Family Medicine |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other family doctors at this location 2
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 7
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 31 related providers in 4 groups
Other family doctors in Frederick 7
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2017 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Influenza vaccine split virus, preservative free 8
Providers in MD who bill this service to Medicare most often.
Common questions
What does Patrick D. Farrell specialize in?
Patrick D. Farrell is a family doctor in Frederick, MD. That is the designation recorded for this NPI in the federal registry, where it is listed as “Family Medicine”.
NPI registry
Where is Patrick D. Farrell located?
Patrick D. Farrell is listed at 9093 Ridgefield Dr Ste 104, Frederick, MD 21701. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Patrick D. Farrell's phone number?
The number on file is (301) 682-4100. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Patrick D. Farrell?
Patrick D. Farrell's National Provider Identifier is 1053765487. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Patrick D. Farrell train?
Patrick D. Farrell attended Other, graduating in 2017. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Patrick D. Farrell have?
Patrick D. Farrell has 9 years experience. Calculated from a graduation year of 2017, reported in the CMS National Downloadable File.
CMS public data
What does Patrick D. Farrell do most often?
According to Medicare billing data, Patrick D. Farrell provides treatments such as influenza vaccine split virus, preservative free and sarscov2 vac 50 mcg/0.5ml im, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Patrick D. Farrell's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Patrick D. Farrell. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.