Dr. William C. Faquin, MD, PhD

  • Boston, MA
  • Cytopathology physician
NPI1114908043PAC ID4789877820
Medicare services, 2024
2,232
Medicare patients, 2024
661
Hospital affiliations
3
Medical groups
3
State license
1
Practice address
55 Fruit Street, Boston, MA 02114
Practice phone
Call (617) 726-2000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Massachusetts General Hospital

Hospital · Boston, Massachusetts

See all 7 affiliations

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Dr. William C. Faquin is a cytopathology physician in Boston, Massachusetts

Dr. Faquin practices at Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham.

Dr. Faquin's NPI, 1114908043, was assigned on November 8, 2005. Dr. Faquin graduated from Harvard Medical School in 1993. Dr. Faquin holds Massachusetts license 156029.

NPI and contact details
Medicare PAC ID
4789877820
NPI enumeration date
November 8, 2005
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(617) 726-2000
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)

Dr. William C. Faquin practices at Massachusetts General Hospital in Boston, Massachusetts

Dr. Faquin's primary practice is Massachusetts General Hospital, at 55 Fruit Street, Boston, MA 02114 in Suffolk County. The practice phone is (617) 726-2000.

Source: Dmand AI Affiliation Data

Dr. William C. Faquin is affiliated with 4 sites of care and 3 medical groups

Dr. Faquin's primary practice is Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham. Dr. Faquin is also affiliated with Brigham and Women's Hospital. The medical group on file is Massachusetts General Physicians Organization (MGPO). Dmand AI also links Dr. Faquin to 1 more hospital, 2 medical groups and 1 community health center, each named with a free account.

See all 7 affiliations for Dr. Faquin

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

Dmand AI tracks the EHR system at Dr. William C. Faquin's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Faquin practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Massachusetts General HospitalAvailable with a free account
+3 more sites and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. William C. Faquin is one of 19 cytopathology physicians in Massachusetts

Cytopathology is Dr. Faquin's primary specialty in the NPI Registry, under taxonomy code 207ZC0500X. Dr. Faquin is licensed in Massachusetts.

Specialties and state licenses

  • Cytopathology, MassachusettsPrimaryLicense 156029 · taxonomy 207ZC0500X

Cytopathology physicians near Dr. Faquin

Counts of cytopathology 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. William C. Faquin billed Medicare for 2,232 services in 2024

CMS data shows 2,232 Medicare services from Dr. Faquin across 19 procedure codes in 2024, for 661 Medicare patients. Medicare paid $70,461 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 20242,232
Medicare patients661
Paid by Medicare$70,461
Procedure codes19

Dr. Faquin's Medicare services by type, 2024

  1. Lab and pathology2,221
  2. Office and hospital visits11

Dr. Faquin compared with the Massachusetts median for cytopathology physicians, 2024

  • Dr. Faquin
  • Massachusetts median
Medicare services
2,232vs 1,54245% above
Medicare patients
661vs 651Close to median

Medians across 19 cytopathology physicians in Massachusetts with Dmand AI profiles that report each measure.

Dr. Faquin's most billed Medicare procedure codes, 2024

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. Faquin

Need commercial claims for Dr. Faquin?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Faquin and other cytopathology physicians in Massachusetts.

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

Dr. William C. Faquin treated 661 Medicare patients in 2024, average age 73

CMS counts 661 Medicare patients who saw Dr. Faquin in 2024. The largest group is 65 to 74, with 291 patients. 75% of them have high cholesterol, and 73% have high blood pressure. 18% are also on Medicaid. Their average risk score is 1.56, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Faquin's median patient age at 64, with 47% women.

Medicare patients, 2024661
Average age73
Average risk score1.56
Also on Medicaid18%

Dr. Faquin's Medicare patients by age, 2024

Dr. Faquin's Medicare patients by sex, 2024

  • Women34352%
  • Men31848%

Chronic conditions among Dr. Faquin's Medicare patients, 2024

  1. High cholesterol75%
  2. High blood pressure73%
  3. Arthritis45%
  4. Anxiety36%
  5. Ischemic heart disease32%
  6. Mood disorders31%
  7. Cancer28%
  8. Chronic kidney disease27%

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

Dr. Faquin's patients across all payers

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

Patient panel by age, all payers

Median age 64

Patient panel by sex, all payers

  • Women47%
  • Men52%

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

How Dr. William C. Faquin takes part in Medicare

Dr. Faquin 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)

For MedTech and pharma teams

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Dr. William C. Faquin graduated from Harvard Medical School

Dr. Faquin graduated from Harvard Medical School in 1993.

  1. Medical schoolHarvard Medical School

Source: Dmand AI Professional Profile Data

Sources for Dr. William C. Faquin'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 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 Dr. William C. Faquin

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. William C. Faquin's NPI number?

Dr. William C. Faquin's NPI number is 1114908043. It was assigned on November 8, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. William C. Faquin?

Dr. William C. Faquin is a cytopathology physician in Boston, Massachusetts. The primary specialty in the NPI Registry is Cytopathology Physician (taxonomy code 207ZC0500X).

Where does Dr. William C. Faquin practice?

Dr. Faquin practices at 55 Fruit Street, Boston, MA 02114. Dr. Faquin's primary practice is Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham. Dmand AI also links Dr. Faquin to 1 hospital, 2 medical groups and 1 community health center.

What is Dr. William C. Faquin's office phone number?

The practice phone on file for Dr. Faquin is (617) 726-2000.

What is Dr. William C. Faquin's medical license number?

Dr. Faquin holds Massachusetts license 156029.

Which hospitals is Dr. William C. Faquin affiliated with?

Dr. Faquin practices at Massachusetts General Hospital in Boston, Massachusetts. Dr. Faquin is also affiliated with Brigham and Women's Hospital. Dmand AI links Dr. Faquin to 1 more hospital.

What medical group is Dr. William C. Faquin part of?

Dr. Faquin is linked to Massachusetts General Physicians Organization (MGPO). Dmand AI links Dr. Faquin to 2 more medical groups.

Does Dr. William C. Faquin accept Medicare?

Yes. CMS data shows Dr. Faquin billed Medicare for 2,232 services in 2024, and Dr. Faquin accepts Medicare assignment.

How many Medicare patients does Dr. William C. Faquin see?

CMS counts 661 Medicare patients who saw Dr. Faquin in 2024, with an average age of 73.

What services does Dr. William C. Faquin bill to Medicare?

In 2024, Dr. Faquin's most billed Medicare services were lab and pathology test (88305), lab and pathology test (88341) and lab and pathology test (88342).

Where did Dr. William C. Faquin go to medical school?

Dr. Faquin graduated from Harvard Medical School in 1993.

How long has Dr. William C. Faquin been practicing?

Dr. Faquin graduated from medical school in 1993, 33 years ago.

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