Glen Robert Mark, DC

  • Riverhead, NY
  • Chiropractor
NPI1669415238PAC ID4981684842
Medicare patients, 2024
78
Affiliated sites
1
Medical group
1
State license
1
Year NPI issued
2006
Practice address
633 Roanoke Ave, Riverhead, NY 11901-2727
Practice phone
Call (631) 727-3795
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Hallmark Chiropractic

Multi-specialty group site · Riverhead, New York

See all 2 affiliations

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Glen Robert Mark is a chiropractor in Riverhead, New York

Glen Mark practices at Hallmark Chiropractic in Riverhead, New York.

Glen Mark's NPI, 1669415238, was assigned on June 13, 2006. Glen Mark graduated from Life Chiropractic College in 1993. Glen Mark holds New York license XOO7337-1.

NPI and contact details
Medicare PAC ID
4981684842
NPI enumeration date
June 13, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(631) 727-3795
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
59
Medical school graduation
1993

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Glen Robert Mark practices at Hallmark Chiropractic in Riverhead, New York

Glen Mark's primary practice is Hallmark Chiropractic, at 633 Roanoke Ave, Riverhead, NY 11901-2727. The practice phone is (631) 727-3795.

  • Hallmark Chiropractic
    633 Roanoke Ave, Riverhead, NY 11901-2727Phone(631) 727-3795

Source: Dmand AI Affiliation Data

Glen Robert Mark is affiliated with 1 site of care and 1 medical group

Glen Mark's primary practice is Hallmark Chiropractic in Riverhead, New York. Dmand AI also links Glen Mark to 1 medical group, named with a free account.

Hallmark ChiropracticMulti-specialty group site · Riverhead, New YorkPrimary
1 medical groupName with a free account
See all 2 affiliations for Glen Mark

Source: Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Glen Robert Mark's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Glen Mark practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Hallmark ChiropracticAvailable with a free account
+1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Glen Robert Mark is one of 1,938 chiropractors in New York

Chiropractor is Glen Mark's primary specialty in the NPI Registry, under taxonomy code 111N00000X. Glen Mark is licensed in New York.

Specialties and state licenses

  • Chiropractor, New YorkPrimaryLicense XOO7337-1 · taxonomy 111N00000X

Chiropractors near Glen Mark

Counts of chiropractors with a Dmand AI profile, by place and practice. Each opens the list.

1,938chiropractors in New York
4chiropractors in Riverhead

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Glen Robert Mark treated 78 Medicare patients in 2024, average age 74

CMS counts 78 Medicare patients who saw Glen Mark in 2024. The largest group is 65 to 74, with 45 patients. 75% of them have high cholesterol, and 55% have high blood pressure. Their average risk score is 0.79, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Glen Mark's median patient age at 62, with 59% women.

Medicare patients, 202478
Average age74
Average risk score0.79

Glen Mark's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Glen Mark's Medicare patients by sex, 2024

  • Women4051%
  • Men3849%

Chronic conditions among Glen Mark's Medicare patients, 2024

  1. High cholesterol75%
  2. High blood pressure55%
  3. Arthritis51%
  4. Ischemic heart disease32%
  5. Anxiety19%
  6. Diabetes17%
  7. Osteoporosis17%
  8. Atrial fibrillation15%

Share of Medicare patients with each condition. A patient can have several.

Glen Mark's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 62

Patient panel by sex, all payers

  • Women59%
  • Men40%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

How Glen Robert Mark takes part in Medicare

Glen Mark 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)

Glen Robert Mark graduated from Life Chiropractic College

Glen Mark graduated from Life Chiropractic College in 1993.

  1. Medical schoolLife Chiropractic College

Source: Dmand AI Professional Profile Data

Sources for Glen Robert Mark's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Glen Robert Mark

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Glen Robert Mark's NPI number?

Glen Robert Mark's NPI number is 1669415238. It was assigned on June 13, 2006, and it is active in the NPI Registry.

What does Glen Robert Mark specialize in?

Glen Robert Mark is a chiropractor in Riverhead, New York. The primary specialty in the NPI Registry is Chiropractor (taxonomy code 111N00000X).

Where does Glen Robert Mark practice?

Glen Mark practices at 633 Roanoke Ave, Riverhead, NY 11901-2727. Glen Mark's primary practice is Hallmark Chiropractic in Riverhead, New York. Dmand AI also links Glen Mark to 1 medical group.

What is Glen Robert Mark's office phone number?

The practice phone on file for Glen Mark is (631) 727-3795.

What is Glen Robert Mark's medical license number?

Glen Mark holds New York license XOO7337-1.

Does Glen Robert Mark accept Medicare?

Yes. CMS lists Glen Mark as accepting Medicare assignment.

How many Medicare patients does Glen Robert Mark see?

CMS counts 78 Medicare patients who saw Glen Mark in 2024, with an average age of 74.

Where did Glen Robert Mark go to medical school?

Glen Mark graduated from Life Chiropractic College in 1993.

How long has Glen Robert Mark been practicing?

Glen Mark graduated from medical school in 1993, 33 years ago.

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