Dr. Katherine E. Lynch, MD
- Medicare services, 2024
- 610
- Medicare patients, 2024
- 192
- Part D claims, 2024
- 3,332
- Hospital affiliations
- 5
- Industry payments
- $49
- Practice address
- 133 Old Road To 9 Acre Corner, West Concord, MA 01742
- Practice phone
- Call (978) 369-1400
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Lynch's professional email, personal email and mobile number
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Dr. Katherine E. Lynch is a nephrologist in Concord, Massachusetts
Dr. Lynch practices at Emerson Hospital in West Concord, Massachusetts, part of Emerson Health System.
Dr. Lynch's NPI, 1326210634, was assigned on March 26, 2008. Dr. Lynch graduated from Perelman School of Med at the University of Pennsylvania in 2008. Dr. Lynch holds Massachusetts license 245554.
- NPI
- 1326210634NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6800108432
- NPI enumeration date
- March 26, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (978) 369-1400
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 44
- Medical school graduation
- 2008
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Katherine E. Lynch practices at Emerson Hospital in West Concord, Massachusetts
Dr. Lynch's primary practice is Emerson Hospital, at 133 Old Road To 9 Acre Corner, West Concord, MA 01742 in Middlesex County. The practice phone is (978) 369-1400.
- Emerson Hospital133 Old Road To 9 Acre Corner, West Concord, MA 01742 · Middlesex CountyPhone(978) 369-1400
Source: Dmand AI Affiliation Data
Dr. Katherine E. Lynch is affiliated with 7 sites of care and 1 medical group
Dr. Lynch's primary practice is Emerson Hospital in West Concord, Massachusetts, part of Emerson Health System. Dr. Lynch is also affiliated with Massachusetts General Hospital. The medical group on file is Emerson Health. Dmand AI also links Dr. Lynch to 3 more hospitals, 1 home health agency and 1 therapy and rehab clinic, 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. Katherine E. Lynch's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lynch practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Emerson Hospital | Available with a free account |
| +6 more affiliated sites | 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 Emerson Health System and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Katherine E. Lynch is one of 351 nephrologists in Massachusetts
Nephrology is Dr. Lynch's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Lynch is licensed in Massachusetts.
Specialties and state licenses
- Nephrology, MassachusettsPrimary
Nephrologists near Dr. Lynch
Counts of nephrologists 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. Katherine E. Lynch billed Medicare for 610 services in 2024
CMS data shows 610 Medicare services from Dr. Lynch across 10 procedure codes in 2024, for 192 Medicare patients. Medicare paid $55,487 for them. Every service was in an office.
Dr. Lynch's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3022024: 34815%
- Other services
- 2023: 1872024: 1954%
- Tests and treatments
- 2023: 532024: 6726%
Dr. Lynch compared with the Massachusetts median for nephrologists, 2024
- Dr. Lynch
- Massachusetts median
- Medicare services
- 610vs 70113% below
- Medicare patients
- 192vs 28232% below
- Part D claims
- 2,711vs 4715.8 times
Medians across 333 nephrologists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Lynch'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. Lynch?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Lynch and other nephrologists in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Katherine E. Lynch treated 192 Medicare patients in 2024, average age 75
CMS counts 192 Medicare patients who saw Dr. Lynch in 2024. The largest group is 65 to 74, with 77 patients. 73% of them have high blood pressure, and 69% have high cholesterol. 14% are also on Medicaid. Their average risk score is 1.08, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Lynch's median patient age at 62, with 69% women.
Dr. Lynch's Medicare patients by age, 2024
Dr. Lynch's Medicare patients by sex, 2024
- Women12264%
- Men7036%
Chronic conditions among Dr. Lynch's Medicare patients, 2024
- High blood pressure73%
- High cholesterol69%
- Arthritis38%
- Chronic kidney disease31%
- Anxiety27%
- Mood disorders24%
- Osteoporosis20%
- Ischemic heart disease19%
Share of Medicare patients with each condition. A patient can have several.
Dr. Lynch's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women69%
- Men30%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Katherine E. Lynch wrote 3,332 Medicare Part D claims in 2024
In 2024, Dr. Lynch wrote 3,332 Medicare Part D claims for 353 patients. 90% of them were for generic drugs. CMS names the drug for 2,711 of them, across 59 drugs with 11 or more claims each, at $185,271 in total drug cost. In 2023, CMS named 2,268 claims across 54 drugs.
Dr. Lynch's Part D claims by kind of drug, 2024
- Generic3,010 claims90%
- Brand-name and other322 claims10%
Dr. Lynch'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. Lynch's Part D claims, 2024
- Opioids2%64 of 3,332 claims
- Antibiotics1%40 of 3,332 claims
- Antipsychotics, patients 65 and over0%11 of 3,332 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: 2,2682024: 2,71120%
Drugs named by CMS: 59 in 2024, 54 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. Katherine E. Lynch offers telehealth to Medicare patients
Dr. Lynch accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Lynch as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Katherine E. Lynch received $49 in industry payments in 2018
CMS Open Payments shows 3 general payments to Dr. Lynch from 1 drug or device company in 2018. Food and beverage make up the largest share, 100% of the total. Takeda Pharmaceuticals U.S.A., Inc. paid the most, $49.
Companies that paid Dr. Lynch the most, 2018 to 2018
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Katherine E. Lynch graduated from Perelman School of Med at the University of Pennsylvania
Dr. Lynch graduated from Perelman School of Med at the University of Pennsylvania in 2008.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Katherine E. Lynch'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. Katherine E. Lynch
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. Katherine E. Lynch's NPI number?
Dr. Katherine E. Lynch's NPI number is 1326210634. It was assigned on March 26, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Katherine E. Lynch?
Dr. Katherine E. Lynch is a nephrologist in Concord, Massachusetts. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).
Where does Dr. Katherine E. Lynch practice?
Dr. Lynch practices at 133 Old Road To 9 Acre Corner, West Concord, MA 01742. Dr. Lynch's primary practice is Emerson Hospital in West Concord, Massachusetts, part of Emerson Health System. Dmand AI also links Dr. Lynch to 3 hospitals, 1 home health agency and 1 therapy and rehab clinic.
What is Dr. Katherine E. Lynch's office phone number?
The practice phone on file for Dr. Lynch is (978) 369-1400.
What is Dr. Katherine E. Lynch's medical license number?
Dr. Lynch holds Massachusetts license 245554.
Which hospitals is Dr. Katherine E. Lynch affiliated with?
Dr. Lynch practices at Emerson Hospital in West Concord, Massachusetts. Dr. Lynch is also affiliated with Massachusetts General Hospital. Dmand AI links Dr. Lynch to 3 more hospitals.
What medical group is Dr. Katherine E. Lynch part of?
Dr. Lynch is linked to Emerson Health.
Does Dr. Katherine E. Lynch accept Medicare?
Yes. CMS data shows Dr. Lynch billed Medicare for 610 services in 2024, and Dr. Lynch accepts Medicare assignment.
Does Dr. Katherine E. Lynch offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Lynch as offering telehealth services.
How many Medicare patients does Dr. Katherine E. Lynch see?
CMS counts 192 Medicare patients who saw Dr. Lynch in 2024, with an average age of 75.
Show 5 more questionsShow fewer questions
What services does Dr. Katherine E. Lynch bill to Medicare?
In 2024, Dr. Lynch's most billed Medicare services were office visit, established patient (99214), medicare service (G0439) and medicare service (G0008).
Where did Dr. Katherine E. Lynch go to medical school?
Dr. Lynch graduated from Perelman School of Med at the University of Pennsylvania in 2008.
What drugs does Dr. Katherine E. Lynch prescribe most?
In 2024 Medicare Part D data, Dr. Lynch's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Lisinopril.
Has Dr. Katherine E. Lynch received payments from drug or device companies?
CMS Open Payments shows $49 in general payments to Dr. Lynch from 1 company from 2018 to 2018. The largest total came from Takeda Pharmaceuticals U.S.A., Inc.
How long has Dr. Katherine E. Lynch been practicing?
Dr. Lynch graduated from medical school in 2008, 18 years ago.
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