John E. Grgicak, DC
- Medicare patients, 2026
- 15
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 716 W 11 Mile Rd, Royal Oak, MI 48067
- Practice phone
- Call (248) 544-9009
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Progressive Chiropractic Clinic
Chiropractic practice · Royal Oak, Michigan
Find John Grgicak'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.
John E. Grgicak is a chiropractor in Royal Oak, Michigan
John Grgicak practices at Progressive Chiropractic Clinic in Royal Oak, Michigan.
John Grgicak's NPI, 1528153103, was assigned on October 3, 2006. John Grgicak graduated from National College of Chiropractic in 2000. John Grgicak holds Michigan license JG008248.
- NPI
- 1528153103NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4082658455
- NPI enumeration date
- October 3, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (248) 544-9009
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 52
- Medical school graduation
- 2000
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
John E. Grgicak practices at Progressive Chiropractic Clinic in Royal Oak, Michigan
John Grgicak's primary practice is Progressive Chiropractic Clinic, at 716 W 11 Mile Rd, Royal Oak, MI 48067. The practice phone is (248) 544-9009.
- Progressive Chiropractic Clinic716 W 11 Mile Rd, Royal Oak, MI 48067Phone(248) 544-9009
Source: Dmand AI Affiliation Data
John E. Grgicak is affiliated with 1 site of care and 1 medical group
John Grgicak's primary practice is Progressive Chiropractic Clinic in Royal Oak, Michigan. Dmand AI also links John Grgicak to 1 medical group, named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at John E. Grgicak's practice
Dmand AI tracks the electronic health record (EHR) system at each site where John Grgicak practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Progressive Chiropractic Clinic | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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John E. Grgicak is one of 2,075 chiropractors in Michigan
Chiropractor is John Grgicak's primary specialty in the NPI Registry, under taxonomy code 111N00000X. John Grgicak is licensed in Michigan.
Specialties and state licenses
- Chiropractor, MichiganPrimary
Chiropractors near John Grgicak
Counts of chiropractors 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
John E. Grgicak treated 15 Medicare patients in 2026, average age 73
CMS counts 15 Medicare patients who saw John Grgicak in 2026. 75% of them have high blood pressure, and 73% have high cholesterol. Their average risk score is 0.79, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts John Grgicak's median patient age at 50, with 60% women.
Chronic conditions among John Grgicak's Medicare patients, 2026
- High blood pressure75%
- High cholesterol73%
Share of Medicare patients with each condition. A patient can have several.
John Grgicak's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 50
Patient panel by sex, all payers
- Women60%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2026 data
How John E. Grgicak takes part in Medicare
John Grgicak accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
John E. Grgicak graduated from National College of Chiropractic
John Grgicak graduated from National College of Chiropractic in 2000.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for John E. Grgicak'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile 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 John E. Grgicak
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is John E. Grgicak's NPI number?
John E. Grgicak's NPI number is 1528153103. It was assigned on October 3, 2006, and it is active in the NPI Registry.
What does John E. Grgicak specialize in?
John E. Grgicak is a chiropractor in Royal Oak, Michigan. The primary specialty in the NPI Registry is Chiropractor (taxonomy code 111N00000X).
Where does John E. Grgicak practice?
John Grgicak practices at 716 W 11 Mile Rd, Royal Oak, MI 48067. John Grgicak's primary practice is Progressive Chiropractic Clinic in Royal Oak, Michigan. Dmand AI also links John Grgicak to 1 medical group, and a free account names each one.
What is John E. Grgicak's office phone number?
The practice phone on file for John Grgicak is (248) 544-9009. Dmand AI also checks direct phone and mobile numbers, available with a free account.
What is John E. Grgicak's email address?
Dmand AI checks professional and personal email addresses for John Grgicak through healthcare-specific waterfall enrichment. They are available with a free Dmand AI account.
What is John E. Grgicak's medical license number?
John Grgicak holds Michigan license JG008248.
What medical group is John E. Grgicak part of?
Dmand AI links John Grgicak to 1 medical group. A free account names the group, with the clinicians and leaders there.
Who does John E. Grgicak practice with?
Dmand AI links 3 HCPs to John Grgicak's primary medical group. A free account lists them, with verified contacts.
Does John E. Grgicak accept Medicare?
Yes. CMS lists John Grgicak as accepting Medicare assignment.
How many Medicare patients does John E. Grgicak see?
CMS counts 15 Medicare patients who saw John Grgicak in 2026, with an average age of 73.
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Where did John E. Grgicak go to medical school?
John Grgicak graduated from National College of Chiropractic in 2000.
How long has John E. Grgicak been practicing?
John Grgicak graduated from medical school in 2000, 26 years ago.
What EHR does John E. Grgicak's practice use?
Dmand AI tracks the EHR system at Progressive Chiropractic Clinic and at 1 medical group. The vendor and product are available with a free Dmand AI account.
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