Dr. Robert Lee Grigsby III, MD
- Medicare services, 2022
- 31
- Part D claims, 2024
- 11
- Affiliated sites
- 2
- Medical groups
- 7
- Insurance carriers
- 5
- Practice address
- 33 S State St, Chicago, IL 60603
- Practice phone
- Call (877) 868-5351
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Signify Health Medical Associates
Chicago, Illinois
Find Dr. Grigsby's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Robert Lee Grigsby III is a general practice physician in Chicago, Illinois
Dr. Grigsby practices at Signify Health Medical Associates in Chicago, Illinois.
Dr. Grigsby's NPI, 1245248475, was assigned on August 3, 2006. Dr. Grigsby graduated from Medical College of Georgia in 1978. Dr. Grigsby holds Florida license ME34609.
- NPI
- 1245248475NPI Registry (opens in a new tab)
- NPI enumeration date
- August 3, 2006
- NPI status
- Active
- Practice phone
- (877) 868-5351
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 74
- Medical school graduation
- 1978
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Robert Lee Grigsby III practices at Signify Health Medical Associates in Chicago, Illinois
Dr. Grigsby's primary practice is Signify Health Medical Associates, at 33 S State St, Chicago, IL 60603 in Cook County. The practice phone is (877) 868-5351.
- Signify Health Medical Associates33 S State St, Chicago, IL 60603 · Cook CountyPhone(877) 868-5351
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Robert Lee Grigsby III is affiliated with 3 sites of care and 7 medical groups
Dr. Grigsby's primary practice is Signify Health Medical Associates in Chicago, Illinois. The medical group on file is Signify Health. Dmand AI also links Dr. Grigsby to 6 more medical groups and 2 group practices and clinics, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Robert Lee Grigsby III's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Grigsby practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Signify Health Medical Associates | Available with a free account |
| +2 more sites and 6 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Robert Lee Grigsby III is one of 275 general practice physicians in Illinois
General practice is Dr. Grigsby's primary specialty in the NPI Registry, under taxonomy code 208D00000X. Dr. Grigsby is board certified in emergency medicine by the American Board of Emergency Medicine. Dmand AI has Dr. Grigsby's licenses on file in 6 states: Florida, Georgia, South Carolina, Alabama, North Carolina and Tennessee.
Specialties and state licenses
- General practice, FloridaPrimary
- Georgia license
- South Carolina license
- Alabama license
- North Carolina license
- Tennessee license
General practice physicians near Dr. Grigsby
Counts of general practice physicians with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Robert Lee Grigsby III billed Medicare for 31 services in 2022
CMS data shows 31 Medicare services from Dr. Grigsby across 1 procedure code in 2022. Medicare paid $959 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Grigsby's Medicare services by type, 2021 to 2022
- 2021
- 2022
- Office and hospital visits
- 2021: 452022: 3131%
Dr. Grigsby compared with the Illinois median for general practice physicians, 2022
- Dr. Grigsby
- Illinois median
- Medicare services
- 31vs 33091% below
- Part D claims
- 11vs 5680% below
Medians across 198 general practice physicians in Illinois with Dmand AI profiles that report each measure.
Dr. Grigsby's most billed Medicare procedure codes, 2022
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Grigsby?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Grigsby and other general practice physicians in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Robert Lee Grigsby III's patients have a median age of 75
Across all payers, Dmand AI patient panel data puts Dr. Grigsby's median patient age at 75, with 57% women.
Dr. Grigsby's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 75
Patient panel by sex, all payers
- Women57%
- Men41%
Source: Dmand AI Patient Panel Data
Dr. Robert Lee Grigsby III wrote 11 Medicare Part D claims in 2024
In 2024, Dr. Grigsby wrote 11 Medicare Part D claims. They cover 1 drug, with $70 in total drug cost. In 2017, CMS named 56 claims across 3 drugs.
Dr. Grigsby's most prescribed drugs by claims, 2018
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2017 to 2018
- 2017
- 2018
- Claims for drugs CMS names
- 2017: 562018: 1180%
Drugs named by CMS: 1 in 2018, 3 in 2017.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Robert Lee Grigsby III graduated from Medical College of Georgia
Dr. Grigsby graduated from Medical College of Georgia in 1978.
- Medical school
- Board certified in emergency medicine
Source: Dmand AI Professional Profile Data
Dr. Robert Lee Grigsby III accepts plans from 5 insurance carriers
Dr. Grigsby is in network with 5 carriers, including Blue Cross Blue Shield of Massachusetts, HCSC and Blue Cross and Blue Shield of Kansas. Medicare plans come from the most carriers, 3. Check the plan with the practice before a visit.
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Blue Cross and Blue Shield of Kansas
- CMS Medicare
- GA State Medicaid
Plan types Dr. Grigsby accepts, by number of carriers
- Medicare3
- PPO2
- EPO1
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Robert Lee Grigsby III's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Robert Lee Grigsby III
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Robert Lee Grigsby III's NPI number?
Dr. Robert Lee Grigsby III's NPI number is 1245248475. It was assigned on August 3, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Robert Lee Grigsby III?
Dr. Robert Lee Grigsby III is a general practice physician in Chicago, Illinois. The primary specialty in the NPI Registry is General Practice Physician (taxonomy code 208D00000X).
Where does Dr. Robert Lee Grigsby III practice?
Dr. Grigsby practices at 33 S State St, Chicago, IL 60603. Dr. Grigsby's primary practice is Signify Health Medical Associates in Chicago, Illinois. Dmand AI also links Dr. Grigsby to 6 medical groups and 2 group practices and clinics.
What is Dr. Robert Lee Grigsby III's office phone number?
The practice phone on file for Dr. Grigsby is (877) 868-5351.
What is Dr. Robert Lee Grigsby III's medical license number?
Dr. Grigsby holds Florida license ME34609, one of the licenses on file in 6 states.
Which states has Dr. Robert Lee Grigsby III been licensed in?
Dmand AI has state licenses on file for Dr. Grigsby in Florida (1979 to 2027), Georgia (1982 to 2027), South Carolina (1986 to 2027), Alabama (1979 to 2025), North Carolina (1990 to 2003) and Tennessee (1991 to 1992).
What medical group is Dr. Robert Lee Grigsby III part of?
Dr. Grigsby is linked to Signify Health. Dmand AI links Dr. Grigsby to 6 more medical groups.
Does Dr. Robert Lee Grigsby III accept Medicare?
Yes. CMS data shows Dr. Grigsby billed Medicare for 31 services in 2022.
Is Dr. Robert Lee Grigsby III board certified?
Yes. Dr. Grigsby is board certified in emergency medicine by the American Board of Emergency Medicine.
What services does Dr. Robert Lee Grigsby III bill to Medicare?
In 2022, Dr. Grigsby's most billed Medicare services were emergency department visit (99282).
Show 4 more questionsShow fewer questions
Where did Dr. Robert Lee Grigsby III go to medical school?
Dr. Grigsby graduated from Medical College of Georgia in 1978.
What drugs does Dr. Robert Lee Grigsby III prescribe most?
In 2018 Medicare Part D data, Dr. Grigsby's most prescribed drugs by claims were Hydrocodone-Acetaminophen.
How long has Dr. Robert Lee Grigsby III been practicing?
Dr. Grigsby graduated from medical school in 1978, 48 years ago.
What insurance does Dr. Robert Lee Grigsby III accept?
Dr. Grigsby is in network with 5 carriers, including Blue Cross Blue Shield of Massachusetts, HCSC and Blue Cross and Blue Shield of Kansas. Medicare plans come from the most carriers, 3. Check the plan with the practice before a visit.
Selling to general practice practices?
See general practice physicians in Illinois by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card