Dr. Joyce Ann Williams, DO

  • Northampton, MA
  • Rheumatologist
NPI1922105592PAC ID7315979143
Medicare services, 2023
27,965
Part D claims, 2024
957
Hospital affiliations
3
Industry payments
$550
Medical groups
2
Practice address
30 Locust Street, Northampton, MA 01060
Practice phone
Call (413) 582-2151
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Cooley Dickinson Hospital - Behavioral Health

Psychiatric Inpatient Facility · Northampton, Massachusetts

See all 10 affiliations

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Dr. Joyce Ann Williams is a rheumatologist in Northampton, Massachusetts

Dr. Williams practices at Cooley Dickinson Hospital - Behavioral Health in Northampton, Massachusetts.

Dr. Williams' NPI, 1922105592, was assigned on September 17, 2006. Dr. Williams graduated from At Still University of Health Sciences, College of Osteo Med, Kirksville in 2000. Dr. Williams holds Montana license 10810.

NPI and contact details
Medicare PAC ID
7315979143
NPI enumeration date
September 17, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(413) 582-2151
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Female
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)

Dr. Joyce Ann Williams practices at Cooley Dickinson Hospital - Behavioral Health in Northampton, Massachusetts

Dr. Williams' primary practice is Cooley Dickinson Hospital - Behavioral Health, at 30 Locust Street, Northampton, MA 01060. The practice phone is (413) 582-2151.

  • Cooley Dickinson Hospital - Behavioral Health
    30 Locust Street, Northampton, MA 01060Phone(413) 582-2151

Source: Dmand AI Affiliation Data

Dr. Joyce Ann Williams is affiliated with 8 sites of care and 2 medical groups

Dr. Williams' primary practice is Cooley Dickinson Hospital - Behavioral Health in Northampton, Massachusetts. Dr. Williams is also affiliated with Cooley Dickinson Hospital. The medical group on file is Mass General Brigham Medical Group Western Massachusetts. Dmand AI also links Dr. Williams to 2 more hospitals, 1 home health agency, 1 hospice, 1 imaging center, 1 therapy and rehab clinic and 1 medical group, each named with a free account.

See all 10 affiliations for Dr. Williams

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Joyce Ann Williams' practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Williams practices, 8 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Cooley Dickinson Hospital - Behavioral HealthAvailable with a free account
+7 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Joyce Ann Williams is one of 275 rheumatologists in Massachusetts

Rheumatology is Dr. Williams' primary specialty in the NPI Registry, under taxonomy code 207RR0500X. Dr. Williams is licensed in Montana.

Specialties and state licenses

  • Rheumatology, MontanaPrimaryLicense 10810 · taxonomy 207RR0500X

Rheumatologists near Dr. Williams

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

275rheumatologists in Massachusetts
6rheumatologists in Northampton

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

Dr. Joyce Ann Williams billed Medicare for 27,965 services in 2023

CMS data shows 27,965 Medicare services from Dr. Williams across 27 procedure codes in 2023. Medicare paid $500,634 for them. Every service was in an office.

Medicare services, 202327,965
Paid by Medicare$500,634
Procedure codes27

Dr. Williams' Medicare services by type, 2022 to 2023

  • 2022
  • 2023
Drugs given in the office
2022: 20,5882023: 24,56519%
Lab and pathology
2022: 3,6152023: 1,97345%
Office and hospital visits
2022: 7252023: 6974%
Tests and treatments
2022: 3902023: 3783%
Surgery
2022: 5722023: 35238%

Dr. Williams compared with the Massachusetts median for rheumatologists, 2023

  • Dr. Williams
  • Massachusetts median
Medicare services
27,965vs 41267.9 times
Part D claims
890vs 50576% above

Medians across 268 rheumatologists in Massachusetts with Dmand AI profiles that report each measure.

Dr. Williams' most billed Medicare procedure codes, 2023

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Williams

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Joyce Ann Williams' patients have a median age of 71

Across all payers, Dmand AI patient panel data puts Dr. Williams' median patient age at 71, with 74% women.

Dr. Williams' patients across all payers

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

Patient panel by age, all payers

Median age 71

Patient panel by sex, all payers

  • Women74%
  • Men25%

Source: Dmand AI Patient Panel Data

Dr. Joyce Ann Williams wrote 957 Medicare Part D claims in 2024

In 2024, Dr. Williams wrote 957 Medicare Part D claims for 334 patients. 87% of them were for generic drugs. CMS names the drug for 890 of them, across 13 drugs with 11 or more claims each, at $153,040 in total drug cost. In 2023, CMS named 5,307 claims across 29 drugs.

Part D claims, 2024957
Drugs named by CMS13
Total drug cost$153,040
Part D patients334

Dr. Williams' Part D claims by kind of drug, 2024

  • Generic836 claims87%
  • Brand-name121 claims13%

Dr. Williams' most prescribed drugs by claims, 2024

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, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 5,3072024: 89083%

Drugs named by CMS: 13 in 2024, 29 in 2023.

See all prescribing by Dr. Williams

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

Dr. Joyce Ann Williams offers telehealth to Medicare patients

Dr. Williams accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Williams as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Joyce Ann Williams received $550 in industry payments from 2016 to 2023

CMS Open Payments shows 13 general payments to Dr. Williams from 5 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 84% of the total. Abbvie Inc. paid the most, $218.

General payments to Dr. Williams by program year, 2016 to 2023

General payments to Dr. Williams by kind, 2016 to 2023

$550in total
  • Food and beverage$46284%
  • Education$8816%

Companies that paid Dr. Williams the most, 2016 to 2023

Share is of all general payments to this clinician.

See all payments to Dr. Williams

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Joyce Ann Williams graduated from At Still University of Health Sciences, College of Osteo Med, Kirksville

Dr. Williams graduated from At Still University of Health Sciences, College of Osteo Med, Kirksville in 2000.

  1. Medical schoolAt Still University of Health Sciences, College of Osteo Med, Kirksville

Source: Dmand AI Professional Profile Data

Sources for Dr. Joyce Ann Williams'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 DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare 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)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Industry paymentsOpen Payments (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 Dr. Joyce Ann Williams

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. Joyce Ann Williams' NPI number?

Dr. Joyce Ann Williams' NPI number is 1922105592. It was assigned on September 17, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Joyce Ann Williams?

Dr. Joyce Ann Williams is a rheumatologist in Northampton, Massachusetts. The primary specialty in the NPI Registry is Rheumatology Physician (taxonomy code 207RR0500X).

Where does Dr. Joyce Ann Williams practice?

Dr. Williams practices at 30 Locust Street, Northampton, MA 01060. Dr. Williams' primary practice is Cooley Dickinson Hospital - Behavioral Health in Northampton, Massachusetts. Dmand AI also links Dr. Williams to 2 hospitals, 1 home health agency, 1 hospice, 1 imaging center, 1 therapy and rehab clinic and 1 medical group.

What is Dr. Joyce Ann Williams' office phone number?

The practice phone on file for Dr. Williams is (413) 582-2151.

What is Dr. Joyce Ann Williams' medical license number?

Dr. Williams holds Montana license 10810.

Which hospitals is Dr. Joyce Ann Williams affiliated with?

Dr. Williams is affiliated with Cooley Dickinson Hospital. Dmand AI links Dr. Williams to 2 more hospitals.

What medical group is Dr. Joyce Ann Williams part of?

Dr. Williams is linked to Mass General Brigham Medical Group Western Massachusetts. Dmand AI links Dr. Williams to 1 more medical group.

Does Dr. Joyce Ann Williams accept Medicare?

Yes. CMS data shows Dr. Williams billed Medicare for 27,965 services in 2023, and Dr. Williams accepts Medicare assignment.

Does Dr. Joyce Ann Williams offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Williams as offering telehealth services.

What services does Dr. Joyce Ann Williams bill to Medicare?

In 2023, Dr. Williams' most billed Medicare services were injected or infused drug (J1602), injected or infused drug (J0129) and injected or infused drug (J0897).

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Where did Dr. Joyce Ann Williams go to medical school?

Dr. Williams graduated from At Still University of Health Sciences, College of Osteo Med, Kirksville in 2000.

What drugs does Dr. Joyce Ann Williams prescribe most?

In 2024 Medicare Part D data, Dr. Williams' most prescribed drugs by claims were Hydroxychloroquine Sulfate, Methotrexate and Prednisone.

Has Dr. Joyce Ann Williams received payments from drug or device companies?

CMS Open Payments shows $550 in general payments to Dr. Williams from 5 companies from 2016 to 2023. The largest total came from Abbvie Inc.

How long has Dr. Joyce Ann Williams been practicing?

Dr. Williams graduated from medical school in 2000, 26 years ago.

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