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- 676 N Saint Clair St, Suite 2125, Chicago, IL 60611
About Mary Welles
Mary C. Welles, APN is a certified clinical nurse specialist (cns) based in Chicago, IL. Mary is a 1994 graduate of Rush Medical College of Rush University. According to Medicare claims data, the services billed most often include subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes. The provider's National Provider Identifier (NPI) is 1366768764.
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
- (312) 926-5400
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
676 N SAINT CLAIR ST SUITE 2125
Chicago, IL 60611
Conditions and Services Within This Provider's Scope
Within Certified Clinical Nurse Specialist 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
Brain & memory
Cancer care
Geriatric care
Ostomy & bowel
Wound care
Wounds & skin
- Severe skin tears
- Bedsores
- Burn Scars And Contractures
- Diabetic Foot Sores
- Non-Healing Wounds
- Post-surgery fever or infection
- Venous Leg Ulcers
Bladder & bowel
Bladder and urinary
Breathing
Diabetes & endocrine
Digestive
Elder care
Heart & circulation
Kidney care
Lungs & breathing
Mental health
- Adult ADHD
- Alcohol use disorder
- Anxiety
- Bipolar disorder
- Borderline personality disorder
- Depression
- Insomnia
- OCD
- Opioid use disorder
- Panic disorder
- Postpartum depression
- Schizophrenia
- Trauma
Pain
Sleep
Swelling
Procedures & services
Bladder & bowel
- Catheter care and troubleshooting
- Skin barrier and rash care for incontinence
- Pelvic Floor Physical Therapy
Bladder and urinary
Breathing
- CPAP Setup and Mask Troubleshooting
- Home Oxygen Therapy Training
- Nebulizer Breathing Treatment Training
- Airway Suctioning For Meconium
Cancer care
Chronic illness
- Feeding tube care and troubleshooting
- Medication list review
- Post-hospital follow-up visit
- Chronic disease management
Digestive
Elder care
Geriatric care
Heart & circulation
Mental health
- Sleep habit coaching
- Postpartum Mental Health Screening
- Psychiatric evaluation
- Psychiatric Medication Management
- Substance abuse evaluation
- Supportive psychotherapy
Nursing care
Ostomy & bowel
Pain
Wound care
- Pressure-Relief Cushion and Bed Fitting
- Stoma Site Marking Before Surgery
- Suture and Staple Removal
- Wound Infection Treatment
Wounds & skin
- Bedsore staging and treatment
- Leg wrap compression therapy
- Wound cleaning and dead tissue removal
- Wound dressing and care
- Negative pressure wound therapy
Brain & memory
Diabetes & endocrine
Lungs & breathing
Palliative & hospice
Palliative care
Swelling
Procedures Most Often Billed to Medicare
36 services · 11 patients · 1 distinct code
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
36 | Less often than most peers in Certified Clinical Nurse… |
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.
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 certified clinical nurse specialists in Chicago 8
Same specialty, same city.
Trained at Rush Medical College of Rush University 2
Other providers in the same specialty who trained at the same institution.
More connections — 8 related providers in 1 group
Class of 1994 at Rush Medical College of Rush University 8
Providers who graduated from the same medical school in the same year.
Common questions
What is Mary C. Welles's specialty?
Mary C. Welles is a certified clinical nurse specialist (cns) in Chicago, IL. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find Mary C. Welles?
Mary C. Welles is listed at 676 N Saint Clair St Suite 2125, Chicago, IL 60611. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Mary C. Welles?
The number on file is (312) 926-5400. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Mary C. Welles's NPI number?
Mary C. Welles's National Provider Identifier is 1366768764. 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 Mary C. Welles's education?
Mary C. Welles attended Rush Medical College of Rush University, graduating in 1994. This comes from the CMS National Downloadable File.
CMS public data
How long has Mary C. Welles been practicing?
Mary C. Welles has 32 years experience. Calculated from a graduation year of 1994, reported in the CMS National Downloadable File.
CMS public data
What is Mary C. Welles known for?
According to Medicare billing data, Mary C. Welles the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Mary C. Welles confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Mary C. Welles. If this is you, claiming it is free.
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