Maryellen O'Connor, DC

  • Waltham, MA
  • Chiropractor
NPI1093804791PAC ID6103925755
Medicare patients, 2024
76
Affiliated sites
1
Medical group
1
State license
1
Year NPI issued
2006
Practice address
564 Main St, Waltham, MA 02452-5516
Practice phone
Call (781) 894-8880
Professional email
Get professional email
Personal email
Get personal email
Mobile number
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Social profiles

Primary practice

Patient First Chiropractic And Physical Therapy

Multi-specialty group site · Waltham, Massachusetts

See all 2 affiliations

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Maryellen O'Connor is a chiropractor in Waltham, Massachusetts

Maryellen O'Connor practices at Patient First Chiropractic And Physical Therapy in Waltham, Massachusetts.

Maryellen O'Connor's NPI, 1093804791, was assigned on October 12, 2006. Maryellen O'Connor graduated from New York Chiropractic College in 2007. Maryellen O'Connor holds Massachusetts license 3132.

NPI and contact details
Medicare PAC ID
6103925755
NPI enumeration date
October 12, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(781) 894-8880
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Female
Estimated age
45
Medical school graduation
2007

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

Maryellen O'Connor practices at Patient First Chiropractic and Physical Therapy in Waltham, Massachusetts

Maryellen O'Connor's primary practice is Patient First Chiropractic and Physical Therapy, at 564 Main St, Waltham, MA 02452-5516. The practice phone is (781) 894-8880.

  • Patient First Chiropractic and Physical Therapy
    564 Main St, Waltham, MA 02452-5516Phone(781) 894-8880

Source: Dmand AI Affiliation Data

Maryellen O'Connor is affiliated with 1 site of care and 1 medical group

Maryellen O'Connor's primary practice is Patient First Chiropractic And Physical Therapy in Waltham, Massachusetts. Dmand AI also links Maryellen O'Connor to 1 medical group, named with a free account.

Patient First Chiropractic And Physical TherapyMulti-specialty group site · Waltham, MassachusettsPrimary
1 medical groupName with a free account
See all 2 affiliations for Maryellen O'Connor

Source: Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Maryellen O'Connor's practice

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

EHR by site
SiteEHR vendor and product
Patient First Chiropractic And Physical TherapyAvailable with a free account
+1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Maryellen O'Connor is one of 854 chiropractors in Massachusetts

Chiropractor is Maryellen O'Connor's primary specialty in the NPI Registry, under taxonomy code 111N00000X. Maryellen O'Connor is licensed in Massachusetts.

Specialties and state licenses

  • Chiropractor, MassachusettsPrimaryLicense 3132 · taxonomy 111N00000X

Chiropractors near Maryellen O'Connor

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

854chiropractors in Massachusetts
8chiropractors in Waltham

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

Maryellen O'Connor treated 76 Medicare patients in 2024, average age 73

CMS counts 76 Medicare patients who saw Maryellen O'Connor in 2024. The largest group is 65 to 74, with 42 patients. 68% of them have high cholesterol, and 61% have high blood pressure. Their average risk score is 0.84, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Maryellen O'Connor's median patient age at 50, with 61% women.

Medicare patients, 202476
Average age73
Average risk score0.84

Maryellen O'Connor's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Maryellen O'Connor's Medicare patients by sex, 2024

  • Women4863%
  • Men2837%

Chronic conditions among Maryellen O'Connor's Medicare patients, 2024

  1. High cholesterol68%
  2. High blood pressure61%
  3. Arthritis51%
  4. Anxiety30%
  5. Osteoporosis22%
  6. Mood disorders21%
  7. Chronic kidney disease20%
  8. Diabetes20%

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

Maryellen O'Connor'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

  • Women61%
  • Men38%

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

How Maryellen O'Connor takes part in Medicare

Maryellen O'Connor 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)

Maryellen O'Connor graduated from New York Chiropractic College

Maryellen O'Connor graduated from New York Chiropractic College in 2007.

  1. Medical schoolNew York Chiropractic College

Source: Dmand AI Professional Profile Data

Sources for Maryellen O'Connor'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 Maryellen O'Connor

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

What is Maryellen O'Connor's NPI number?

Maryellen O'Connor's NPI number is 1093804791. It was assigned on October 12, 2006, and it is active in the NPI Registry.

What does Maryellen O'Connor specialize in?

Maryellen O'Connor is a chiropractor in Waltham, Massachusetts. The primary specialty in the NPI Registry is Chiropractor (taxonomy code 111N00000X).

Where does Maryellen O'Connor practice?

Maryellen O'Connor practices at 564 Main St, Waltham, MA 02452-5516. Maryellen O'Connor's primary practice is Patient First Chiropractic And Physical Therapy in Waltham, Massachusetts. Dmand AI also links Maryellen O'Connor to 1 medical group.

What is Maryellen O'Connor's office phone number?

The practice phone on file for Maryellen O'Connor is (781) 894-8880.

What is Maryellen O'Connor's medical license number?

Maryellen O'Connor holds Massachusetts license 3132.

Does Maryellen O'Connor accept Medicare?

Yes. CMS lists Maryellen O'Connor as accepting Medicare assignment.

How many Medicare patients does Maryellen O'Connor see?

CMS counts 76 Medicare patients who saw Maryellen O'Connor in 2024, with an average age of 73.

Where did Maryellen O'Connor go to medical school?

Maryellen O'Connor graduated from New York Chiropractic College in 2007.

How long has Maryellen O'Connor been practicing?

Maryellen O'Connor graduated from medical school in 2007, 19 years ago.

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