Dr. Wendy Elizabeth Gray, MD

  • Mattapan, MA
  • Internist
NPI1003026238PAC ID7911075288
Medicare services, 2023
171
Part D claims, 2024
1,529
Hospital affiliations
5
Medical groups
2
State license
1
Practice address
1135 Morton St, Mattapan, MA 02126
Practice phone
Call (617) 282-3200
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Daniel Driscoll - Neponset Health Center

Mattapan, Massachusetts

See all 11 affiliations

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Dr. Wendy Elizabeth Gray is an internist in Mattapan, Massachusetts

Dr. Gray practices at Daniel Driscoll - Neponset Health Center in Mattapan, Massachusetts.

Dr. Gray's NPI, 1003026238, was assigned on May 23, 2007. Dr. Gray graduated from Warren Alpert Medical School of Brown University in 2005. Dr. Gray holds Georgia license 067365.

NPI and contact details
Medicare PAC ID
7911075288
NPI enumeration date
May 23, 2007
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(617) 282-3200
Professional email
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Personal email
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Mobile number
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Sex
Female
Estimated age
47
Medical school graduation
2005

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

Dr. Wendy Elizabeth Gray practices at Daniel Driscoll - Neponset Health Center in Mattapan, Massachusetts

Dr. Gray's primary practice is Daniel Driscoll - Neponset Health Center, at 1135 Morton St, Mattapan, MA 02126 in Suffolk County. The practice phone is (617) 282-3200.

  • Daniel Driscoll - Neponset Health Center
    1135 Morton St, Mattapan, MA 02126 · Suffolk CountyPhone(617) 282-3200

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Wendy Elizabeth Gray is affiliated with 9 sites of care and 2 medical groups

Dr. Gray's primary practice is Daniel Driscoll - Neponset Health Center in Mattapan, Massachusetts. Dr. Gray is also affiliated with Boston Medical Center. The medical group on file is MetroWest Physician Services. Dmand AI also links Dr. Gray to 4 more hospitals, 2 group practices and clinics, 1 home health agency and 1 medical group, each named with a free account.

See all 11 affiliations for Dr. Gray

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Wendy Elizabeth Gray's practice

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

EHR by site
SiteEHR vendor and product
Daniel Driscoll - Neponset Health CenterAvailable with a free account
+8 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Wendy Elizabeth Gray is one of 5,528 internists in Massachusetts

Internal medicine is Dr. Gray's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Gray is licensed in Georgia.

Specialties and state licenses

  • Internal medicine, GeorgiaPrimaryLicense 067365 · taxonomy 207R00000X

Internists near Dr. Gray

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

5,528internists in Massachusetts
6internists in Mattapan

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

Dr. Wendy Elizabeth Gray billed Medicare for 171 services in 2023

CMS data shows 171 Medicare services from Dr. Gray across 4 procedure codes in 2023. Medicare paid $17,653 for them. Every service was in an office.

Medicare services, 2023171
Paid by Medicare$17,653
Procedure codes4

Dr. Gray's Medicare services by type, 2022 to 2023

  • 2022
  • 2023
Office and hospital visits
2022: 1522023: 11524%
Other services
2022: 442023: 5627%

Dr. Gray compared with the Massachusetts median for internists, 2023

  • Dr. Gray
  • Massachusetts median
Medicare services
171vs 43160% below
Part D claims
1,032vs 4022.6 times

Medians across 5,369 internists in Massachusetts with Dmand AI profiles that report each measure.

Dr. Gray's 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.

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

Dr. Wendy Elizabeth Gray's patients have a median age of 55

Across all payers, Dmand AI patient panel data puts Dr. Gray's median patient age at 55, with 70% women.

Dr. Gray's patients across all payers

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

Patient panel by age, all payers

Median age 55

Patient panel by sex, all payers

  • Women70%
  • Men28%

Source: Dmand AI Patient Panel Data

Dr. Wendy Elizabeth Gray wrote 1,529 Medicare Part D claims in 2024

In 2024, Dr. Gray wrote 1,529 Medicare Part D claims for 292 patients. 90% of them were for generic drugs. CMS names the drug for 1,032 of them, across 32 drugs with 11 or more claims each, at $13,695 in total drug cost. In 2023, CMS named 3,478 claims across 84 drugs.

Part D claims, 20241,529
Drugs named by CMS32
Total drug cost$13,695
Part D patients292

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

  • Generic1,372 claims90%
  • Brand-name and other157 claims10%

Dr. Gray's 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: 3,4782024: 1,03270%

Drugs named by CMS: 32 in 2024, 84 in 2023.

See all prescribing by Dr. Gray

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

How Dr. Wendy Elizabeth Gray takes part in Medicare

Dr. Gray 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)

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Dr. Wendy Elizabeth Gray graduated from Warren Alpert Medical School of Brown University

Dr. Gray graduated from Warren Alpert Medical School of Brown University in 2005.

  1. Medical schoolWarren Alpert Medical School of Brown University

Source: Dmand AI Professional Profile Data

Sources for Dr. Wendy Elizabeth Gray'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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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)
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. Wendy Elizabeth Gray

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. Wendy Elizabeth Gray's NPI number?

Dr. Wendy Elizabeth Gray's NPI number is 1003026238. It was assigned on May 23, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. Wendy Elizabeth Gray?

Dr. Wendy Elizabeth Gray is an internist in Mattapan, Massachusetts. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Wendy Elizabeth Gray practice?

Dr. Gray practices at 1135 Morton St, Mattapan, MA 02126. Dr. Gray's primary practice is Daniel Driscoll - Neponset Health Center in Mattapan, Massachusetts. Dmand AI also links Dr. Gray to 4 hospitals, 2 group practices and clinics, 1 home health agency and 1 medical group.

What is Dr. Wendy Elizabeth Gray's office phone number?

The practice phone on file for Dr. Gray is (617) 282-3200.

What is Dr. Wendy Elizabeth Gray's medical license number?

Dr. Gray holds Georgia license 067365.

Which hospitals is Dr. Wendy Elizabeth Gray affiliated with?

Dr. Gray is affiliated with Boston Medical Center. Dmand AI links Dr. Gray to 4 more hospitals.

What medical group is Dr. Wendy Elizabeth Gray part of?

Dr. Gray is linked to MetroWest Physician Services. Dmand AI links Dr. Gray to 1 more medical group.

Does Dr. Wendy Elizabeth Gray accept Medicare?

Yes. CMS data shows Dr. Gray billed Medicare for 171 services in 2023, and Dr. Gray accepts Medicare assignment.

What services does Dr. Wendy Elizabeth Gray bill to Medicare?

In 2023, Dr. Gray's most billed Medicare services were office visit, established patient (99214), medicare service (G0439) and office visit, established patient (99215).

Where did Dr. Wendy Elizabeth Gray go to medical school?

Dr. Gray graduated from Warren Alpert Medical School of Brown University in 2005.

What drugs does Dr. Wendy Elizabeth Gray prescribe most?

In 2024 Medicare Part D data, Dr. Gray's most prescribed drugs by claims were Atorvastatin Calcium, Levothyroxine Sodium and Lisinopril.

How long has Dr. Wendy Elizabeth Gray been practicing?

Dr. Gray graduated from medical school in 2005, 21 years ago.

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