Dr. Deirdre L. Kathman, DO
- Medicare services, 2024
- 1,195
- Medicare patients, 2024
- 575
- Part D claims, 2024
- 3,007
- Hospital affiliations
- 2
- Industry payments
- $238
- Practice address
- 14 Prospect Street, Milford, MA 01757
- Practice phone
- Call (508) 473-1190
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Kathman'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. Deirdre L. Kathman is a pulmonologist in Milford, Massachusetts
Dr. Kathman practices at UMass Memorial Health - Milford Regional Medical Center in Milford, Massachusetts, part of UMass Memorial Health Care.
Dr. Kathman's NPI, 1528228889, was assigned on June 11, 2008. Dr. Kathman graduated from Philadelphia College of Osteopathic Medicine in 2007. Dr. Kathman holds Massachusetts license 245920.
- NPI
- 1528228889NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0446449201
- NPI enumeration date
- June 11, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (508) 473-1190
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- 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)
Dr. Deirdre L. Kathman practices at UMass Memorial Health - Milford Regional Medical Center in Milford, Massachusetts
Dr. Kathman's primary practice is UMass Memorial Health - Milford Regional Medical Center, at 14 Prospect Street, Milford, MA 01757 in Worcester County. The practice phone is (508) 473-1190.
- UMass Memorial Health - Milford Regional Medical Center14 Prospect Street, Milford, MA 01757 · Worcester CountyPhone(508) 473-1190
Source: Dmand AI Affiliation Data
Dr. Deirdre L. Kathman is affiliated with 5 sites of care and 2 medical groups
Dr. Kathman's primary practice is UMass Memorial Health - Milford Regional Medical Center in Milford, Massachusetts, part of UMass Memorial Health Care. Dr. Kathman is also affiliated with UMass Memorial Medical Center - University Campus. The medical group on file is UMass Memorial Medical Group. Dmand AI also links Dr. Kathman to 2 more group practices and clinics, 1 imaging center and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Deirdre L. Kathman's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kathman practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UMass Memorial Health - Milford Regional Medical Center | Available with a free account |
| +4 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Deirdre L. Kathman is one of 485 pulmonologists in Massachusetts
Pulmonary disease is Dr. Kathman's primary specialty in the NPI Registry, under taxonomy code 207RP1001X. Dr. Kathman is licensed in Massachusetts.
Specialties and state licenses
- Pulmonary disease, MassachusettsPrimary
Pulmonologists near Dr. Kathman
Counts of pulmonologists 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. Deirdre L. Kathman billed Medicare for 1,195 services in 2024
CMS data shows 1,195 Medicare services from Dr. Kathman across 12 procedure codes in 2024, for 575 Medicare patients. Medicare paid $110,219 for them.
Dr. Kathman's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,1812024: 1,01114%
- Tests and treatments
- 2023: 1602024: 18415%
Where Dr. Kathman's Medicare services took place, 2024
- In an office56747%
- In a facility62853%
Dr. Kathman compared with the Massachusetts median for pulmonologists, 2024
- Dr. Kathman
- Massachusetts median
- Medicare services
- 1,195vs 4752.5 times
- Medicare patients
- 575vs 2552.3 times
- Part D claims
- 2,853vs 3298.7 times
Medians across 481 pulmonologists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Kathman'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Kathman and other pulmonologists in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Deirdre L. Kathman treated 575 Medicare patients in 2024, average age 75
CMS counts 575 Medicare patients who saw Dr. Kathman in 2024. The largest group is 75 to 84, with 231 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 23% are also on Medicaid. Their average risk score is 2.13, 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. Kathman's median patient age at 71, with 58% women.
Dr. Kathman's Medicare patients by age, 2024
Dr. Kathman's Medicare patients by sex, 2024
- Women30553%
- Men27047%
Chronic conditions among Dr. Kathman's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- COPD61%
- Arthritis57%
- Anxiety45%
- Ischemic heart disease41%
- Mood disorders41%
- Chronic kidney disease38%
Share of Medicare patients with each condition. A patient can have several.
Dr. Kathman's 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
- Women58%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Deirdre L. Kathman wrote 3,007 Medicare Part D claims in 2024
In 2024, Dr. Kathman wrote 3,007 Medicare Part D claims for 417 patients. CMS names the drug for 2,853 of them, across 36 drugs with 11 or more claims each, at $1,177,847 in total drug cost. In 2023, CMS named 2,628 claims across 42 drugs.
Dr. Kathman'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. Kathman's Part D claims, 2024
- Antibiotics9%265 of 3,007 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: 2,6282024: 2,8539%
Drugs named by CMS: 36 in 2024, 42 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
Dr. Deirdre L. Kathman offers telehealth to Medicare patients
Dr. Kathman accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Kathman as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Deirdre L. Kathman received $238 in industry payments from 2016 to 2025
CMS Open Payments shows 12 general payments to Dr. Kathman from 5 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 93% of the total. AstraZeneca Pharmaceuticals LP paid the most, $84.
General payments to Dr. Kathman by program year, 2016 to 2025
General payments to Dr. Kathman by kind, 2016 to 2025
- Food and beverage$22293%
- Education$167%
Companies that paid Dr. Kathman the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Deirdre L. Kathman graduated from Philadelphia College of Osteopathic Medicine
Dr. Kathman graduated from Philadelphia College of Osteopathic Medicine in 2007.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Deirdre L. Kathman'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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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. Deirdre L. Kathman
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. Deirdre L. Kathman's NPI number?
Dr. Deirdre L. Kathman's NPI number is 1528228889. It was assigned on June 11, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Deirdre L. Kathman?
Dr. Deirdre L. Kathman is a pulmonologist in Milford, Massachusetts. The primary specialty in the NPI Registry is Pulmonary Disease Physician (taxonomy code 207RP1001X).
Where does Dr. Deirdre L. Kathman practice?
Dr. Kathman practices at 14 Prospect Street, Milford, MA 01757. Dr. Kathman's primary practice is UMass Memorial Health - Milford Regional Medical Center in Milford, Massachusetts, part of UMass Memorial Health Care. Dmand AI also links Dr. Kathman to 2 group practices and clinics, 1 imaging center and 1 medical group.
What is Dr. Deirdre L. Kathman's office phone number?
The practice phone on file for Dr. Kathman is (508) 473-1190.
What is Dr. Deirdre L. Kathman's medical license number?
Dr. Kathman holds Massachusetts license 245920.
Which hospitals is Dr. Deirdre L. Kathman affiliated with?
Dr. Kathman practices at UMass Memorial Health - Milford Regional Medical Center in Milford, Massachusetts. Dr. Kathman is also affiliated with UMass Memorial Medical Center - University Campus.
What medical group is Dr. Deirdre L. Kathman part of?
Dr. Kathman is linked to UMass Memorial Medical Group. Dmand AI links Dr. Kathman to 1 more medical group.
Does Dr. Deirdre L. Kathman accept Medicare?
Yes. CMS data shows Dr. Kathman billed Medicare for 1,195 services in 2024, and Dr. Kathman accepts Medicare assignment.
Does Dr. Deirdre L. Kathman offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Kathman as offering telehealth services.
How many Medicare patients does Dr. Deirdre L. Kathman see?
CMS counts 575 Medicare patients who saw Dr. Kathman in 2024, with an average age of 75.
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What services does Dr. Deirdre L. Kathman bill to Medicare?
In 2024, Dr. Kathman's most billed Medicare services were office visit, established patient (99214), hospital inpatient care (99233) and office visit, established patient (99215).
Where did Dr. Deirdre L. Kathman go to medical school?
Dr. Kathman graduated from Philadelphia College of Osteopathic Medicine in 2007.
What drugs does Dr. Deirdre L. Kathman prescribe most?
In 2024 Medicare Part D data, Dr. Kathman's most prescribed drugs by claims were Trelegy Ellipta, Albuterol Sulfate Hfa and Prednisone.
Has Dr. Deirdre L. Kathman received payments from drug or device companies?
CMS Open Payments shows $238 in general payments to Dr. Kathman from 5 companies from 2016 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Deirdre L. Kathman been practicing?
Dr. Kathman graduated from medical school in 2007, 19 years ago.
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