Physician Profile
Nancy Gryniewicz, M.D. is a healthcare provider in Oak Park, IL specializing in family medicine. Medicare claims data shows Nancy provided 4,029 services to 1,162 patients. The services billed most often include management using the results of remote vital sign monitoring per calendar month, each additional 20 minutes, chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month, and management using the results of remote vital sign monitoring per calendar month, first 20 minutes.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Source: NPPES NPI Registry
965 LAKE ST
Oak Park, IL 60301
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.
Most searched conditions
Cardiometabolic
Digestive
Genitourinary and reproductive
Musculoskeletal and pain
Neurologic and behavioral
Respiratory and infectious
Skin
Common childhood and ear conditions
Pain & Joints
Most searched procedures
Preventive interventions
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
4,029 services · 1,162 patients · 23 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Collection and interpretation of physical parameters stored in computers and/or transmitted by the patient and/or caregiver to qualified health care professional, requiring 30 minutes or more, per 30 days | Treatment | 99091 |
443 |
| Influenza vaccine split virus, preservative free | Treatment | 90662 |
57 |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
31 |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
13 |
| Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg | Drug given | J3420 |
26 |
| Management using the results of remote vital sign monitoring per calendar month, each additional 20 minutes | Office visit | 99458 |
722 |
| Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month | Office visit | 99490 |
641 |
| Management using the results of remote vital sign monitoring per calendar month, first 20 minutes | Office visit | 99457 |
520 |
| Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days | Office visit | 99454 |
475 |
| Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month | Office visit | 99439 |
269 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Nancy Gryniewicz is a family doctor in Oak Park, IL. That is the designation recorded for this NPI in the federal registry, where it is listed as “Family Medicine”.
NPI registry
Nancy Gryniewicz is listed at 965 Lake St, Oak Park, IL 60301. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (708) 383-0400. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Nancy Gryniewicz's National Provider Identifier is 1558368043. 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
Nancy Gryniewicz attended Other, graduating in 1994. This comes from the CMS National Downloadable File.
CMS public data
Nancy Gryniewicz has 32 years experience. Calculated from a graduation year of 1994, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Nancy Gryniewicz provides treatments such as collection and interpretation of physical parameters stored in computers and/or transmitted by the patient and/or caregiver to qualified health care professional, requiring 30 minutes or more, per 30 days and influenza vaccine split virus, preservative free, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Nancy Gryniewicz. 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.