Dr. Catherine Parkhurst Gardiner, MD
- Medicare services, 2024
- 172
- Medicare patients, 2024
- 87
- Part D claims, 2024
- 887
- Publications
- 2
- Hospital affiliations
- 2
- Practice address
- 330 Brookline Avenue, Boston, MA 02215
- Practice phone
- Call (617) 667-7000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Gardiner's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Catherine Parkhurst Gardiner is an internist in Boston, Massachusetts
Dr. Gardiner practices at Beth Israel Deaconess Medical Center in Boston, Massachusetts, part of Beth Israel Lahey Health.
Dr. Gardiner's NPI, 1922666288, was assigned on June 3, 2019. Dr. Gardiner holds Massachusetts license 291472.
- NPI
- 1922666288NPI Registry (opens in a new tab)
- NPI enumeration date
- June 3, 2019
- NPI status
- Active
- Practice phone
- (617) 667-7000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 33
- Medical school graduation
- 2019
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Catherine Parkhurst Gardiner practices at Beth Israel Deaconess Medical Center in Boston, Massachusetts
Dr. Gardiner's primary practice is Beth Israel Deaconess Medical Center, at 330 Brookline Avenue, Boston, MA 02215 in Suffolk County. The practice phone is (617) 667-7000.
- Beth Israel Deaconess Medical Center330 Brookline Avenue, Boston, MA 02215 · Suffolk CountyPhone(617) 667-7000
Source: Dmand AI Affiliation Data
Dr. Catherine Parkhurst Gardiner is affiliated with 2 sites of care and 1 medical group
Dr. Gardiner's primary practice is Beth Israel Deaconess Medical Center in Boston, Massachusetts, part of Beth Israel Lahey Health. Dr. Gardiner is also affiliated with Boston Children's Hospital. The medical group on file is Harvard Medical Faculty Physicians at Beth Israel Deaconess Medical Center (HMFP).
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Catherine Parkhurst Gardiner's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gardiner practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Beth Israel Deaconess Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Beth Israel Lahey Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Catherine Parkhurst Gardiner is one of 5,528 internists in Massachusetts
Internal medicine is Dr. Gardiner's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Gardiner is licensed in Massachusetts.
Specialties and state licenses
- Internal medicine, MassachusettsPrimary
Internists near Dr. Gardiner
Counts of internists 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. Catherine Parkhurst Gardiner billed Medicare for 172 services in 2024
CMS data shows 172 Medicare services from Dr. Gardiner across 4 procedure codes in 2024, for 87 Medicare patients. Medicare paid $9,187 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Gardiner's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1492024: 9437%
- Other services
- 2023: 02024: 78
Dr. Gardiner compared with the Massachusetts median for internists, 2024
- Dr. Gardiner
- Massachusetts median
- Medicare services
- 172vs 43160% below
- Medicare patients
- 87vs 19455% below
- Part D claims
- 497vs 40224% above
Medians across 5,369 internists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Gardiner'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.
Need commercial claims for Dr. Gardiner?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Gardiner and other internists in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Catherine Parkhurst Gardiner treated 87 Medicare patients in 2024, average age 73
CMS counts 87 Medicare patients who saw Dr. Gardiner in 2024. The largest group is 65 to 74, with 44 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 23% are also on Medicaid. Their average risk score is 1.22, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Gardiner's median patient age at 68, with 74% women.
Dr. Gardiner's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Gardiner's Medicare patients by sex, 2024
- Women6777%
- Men2023%
Chronic conditions among Dr. Gardiner's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis51%
- Ischemic heart disease31%
- Mood disorders31%
- Diabetes30%
- Depression28%
- Anxiety26%
Share of Medicare patients with each condition. A patient can have several.
Dr. Gardiner's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women74%
- Men25%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Catherine Parkhurst Gardiner wrote 887 Medicare Part D claims in 2024
In 2024, Dr. Gardiner wrote 887 Medicare Part D claims for 159 patients. 91% of them were for generic drugs. CMS names the drug for 497 of them, across 22 drugs with 11 or more claims each, at $6,479 in total drug cost. In 2023, CMS named 502 claims across 21 drugs.
Dr. Gardiner's Part D claims by kind of drug, 2024
- Generic804 claims91%
- Brand-name and other83 claims9%
Dr. Gardiner'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.
Drug classes CMS tracks in Dr. Gardiner's Part D claims, 2024
- Opioids6%52 of 887 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 5022024: 4971%
Drugs named by CMS: 22 in 2024, 21 in 2023.
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
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Catherine Parkhurst Gardiner has 2 publications on record
Dmand AI links 2 papers to Dr. Gardiner, published from 2021 to 2024. Dr. Gardiner's most frequent co-authors are Laura B. Desrochers, MD, Kathleen Mary Finn, MD and Judy Whey-Lin Nee.
Dr. Gardiner's most frequent co-authors
- Laura B. Desrochers, MD1 shared paper
- Kathleen Mary Finn, MD1 shared paper
- Judy Whey-Lin Nee1 shared paper
Recent publications by Dr. Gardiner
Neurogastroenterol Motil
See who Dr. Gardiner researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Gardiner works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Sources for Dr. Catherine Parkhurst Gardiner's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Catherine Parkhurst Gardiner
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. Catherine Parkhurst Gardiner's NPI number?
Dr. Catherine Parkhurst Gardiner's NPI number is 1922666288. It was assigned on June 3, 2019, and it is active in the NPI Registry.
What kind of doctor is Dr. Catherine Parkhurst Gardiner?
Dr. Catherine Parkhurst Gardiner is an internist in Boston, Massachusetts. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Catherine Parkhurst Gardiner practice?
Dr. Gardiner practices at 330 Brookline Avenue, Boston, MA 02215. Dr. Gardiner's primary practice is Beth Israel Deaconess Medical Center in Boston, Massachusetts, part of Beth Israel Lahey Health.
What is Dr. Catherine Parkhurst Gardiner's office phone number?
The practice phone on file for Dr. Gardiner is (617) 667-7000.
What is Dr. Catherine Parkhurst Gardiner's medical license number?
Dr. Gardiner holds Massachusetts license 291472.
Which hospitals is Dr. Catherine Parkhurst Gardiner affiliated with?
Dr. Gardiner practices at Beth Israel Deaconess Medical Center in Boston, Massachusetts. Dr. Gardiner is also affiliated with Boston Children's Hospital.
What medical group is Dr. Catherine Parkhurst Gardiner part of?
Dr. Gardiner is linked to Harvard Medical Faculty Physicians at Beth Israel Deaconess Medical Center (HMFP).
Does Dr. Catherine Parkhurst Gardiner accept Medicare?
Yes. CMS data shows Dr. Gardiner billed Medicare for 172 services in 2024.
How many Medicare patients does Dr. Catherine Parkhurst Gardiner see?
CMS counts 87 Medicare patients who saw Dr. Gardiner in 2024, with an average age of 73.
What services does Dr. Catherine Parkhurst Gardiner bill to Medicare?
In 2024, Dr. Gardiner's most billed Medicare services were medicare service (G2211), office visit, established patient (99214) and office visit, established patient (99215).
Show 4 more questionsShow fewer questions
What drugs does Dr. Catherine Parkhurst Gardiner prescribe most?
In 2024 Medicare Part D data, Dr. Gardiner's most prescribed drugs by claims were Amlodipine Besylate, Atorvastatin Calcium and Lisinopril.
How long has Dr. Catherine Parkhurst Gardiner been practicing?
Dr. Gardiner graduated from medical school in 2019, 7 years ago.
Does Dr. Catherine Parkhurst Gardiner do research?
Dmand AI links 2 publications to Dr. Gardiner, published from 2021 to 2024.
Who does Dr. Catherine Parkhurst Gardiner publish with?
Dr. Gardiner's most frequent co-authors are Laura B. Desrochers, MD (1 shared paper), Kathleen Mary Finn, MD (1 shared paper) and Judy Whey-Lin Nee (1 shared paper).
Selling to internal medicine practices?
See internists in Massachusetts by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card