Physician Profile
Marcia L. O Brien, M.D.
Unclaimed ProfileAbout Dr. O Brien
Marcia L. O Brien, M.D. practices family medicine in Rochester, MN. Marcia is a 2000 graduate of University of Wisconsin School of Medicine. According to Medicare claims data, Marcia cared for 360 Medicare patients across 429 services. The services billed most often include subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and 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'.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
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
- (507) 284-2511
- Email not available
Practice Locations
200 1ST ST SW
Rochester, MN 55905
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
Cardiometabolic
Digestive
Genitourinary and reproductive
Musculoskeletal and pain
Neurologic and behavioral
- ADHD
- Anxiety
- Depression
- Insomnia
- Migraines
Respiratory and infectious
Skin
Common childhood and ear conditions
Pain & Joints
Procedures & services
Most searched procedures
Preventive interventions
- Birth control counseling
- Smoking cessation counseling
Screening and testing
Diagnostic Tests
Exams & Screenings
Foot and Leg Pain
Heart & Circulation
Injections
Lungs & Breathing
Minor Procedures
Occupational Health
Office procedures
Pain Management
Preventive Care
Respiratory
Senior Care
Sexual & Reproductive Health
Skin Procedures
Sleep Health
Urgent Care Procedures
Wellness & Weight
Women's Health
Procedures Most Often Billed to Medicare
429 services · 360 patients · 14 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Sarscov2 vac 50 mcg/0.5ml im | Treatment | 91322 |
19 | As often as other peers in Family Medicine |
| Admn sarscov2 vacc 1 dose | Treatment | 90480 |
19 | As often as other peers in Family Medicine |
| Influenza vaccine split virus, preservative free | Treatment | 90662 |
17 | Less often than most peers in Family Medicine |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
78 | 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 |
67 | Less 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 |
66 | As often as other peers in Family Medicine |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
32 | As often as other peers in Family Medicine |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
26 | As often as other 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 |
24 | Less often than most peers in Family Medicine |
| Administration of influenza virus vaccine | Billing code | G0008 |
20 | Less often than most 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.
Related specialists at this location 8
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.
Other family doctors in Rochester 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at University of Wisconsin School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2000 at University of Wisconsin School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Sarscov2 vac 50 mcg/0.5ml im 8
Providers in MN who bill this service to Medicare most often.
Common questions
What is Marcia L. O Brien's specialty?
Marcia L. O Brien is a family doctor in Rochester, MN. That is the designation recorded for this NPI in the federal registry, where it is listed as “Family Medicine”.
NPI registry
Where can I find Marcia L. O Brien?
Marcia L. O Brien is listed at 200 1St St Sw, Rochester, MN 55905. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Marcia L. O Brien?
The number on file is (507) 284-2511. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Marcia L. O Brien's NPI number?
Marcia L. O Brien's National Provider Identifier is 1558348524. 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
What is Marcia L. O Brien's education?
Marcia L. O Brien attended University of Wisconsin School of Medicine, graduating in 2000. This comes from the CMS National Downloadable File.
CMS public data
How long has Marcia L. O Brien been practicing?
Marcia L. O Brien has 26 years experience. Calculated from a graduation year of 2000, reported in the CMS National Downloadable File.
CMS public data
What is Marcia L. O Brien known for?
According to Medicare billing data, Marcia L. O Brien provides treatments such as sarscov2 vac 50 mcg/0.5ml im and admn sarscov2 vacc 1 dose, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Marcia L. O Brien confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Marcia L. O Brien. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.