Katharine Margaret Cronk, MD, PHD
Neurological Surgery Physician · Nashua, NH
Katharine Margaret Cronk, MD, PHD is a neurological surgery physician with a practice address in Nashua, New Hampshire, and NPI 1669652715, issued on Nov 6, 2007. Check the license (New Hampshire 19637, as entered in NPPES) on the New Hampshire Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Katharine Margaret Cronk
- Credential
- MD, PHD
- Primary taxonomy
- Neurological Surgery Physician 207T00000X
- License numbers
- 19637 NH
258181 MA
Self-reported in NPPES; status is on the state search - Practice location
- 17 Prospect St Ste N203, Nashua, NH 03060
- Phone
- (603) 577-2663
- Enumerated
- Nov 6, 2007
- Record last updated
- Jun 5, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20190701000881); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 17 Prospect St Ste N203
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Michael Horgan, MDNeurological Surgery Physician1922029925
- Christian Niles, PA-CPhysician Assistant1720772684
- Anand Padmanabha, MDOrthopaedic Surgery Physician1033529409
Verify Katharine Margaret Cronk in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Hampshire Board of Medicine
Search for license 19637Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
47% fewer Medicare Part D claims than the average neurological surgery physician in 2024
91 Medicare Part D claims for 55 beneficiaries, against an average of 172 among the 4,378 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 24 claims were for opioids.
Most prescribed
- Oxycodone-Acetaminophen12 claims
- Cyclobenzaprine Hcl11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $46.67
2 payments; by number, the most common kind was food and beverage; the largest payer was Orthofix Medical, Inc. The 5,377 providers of this specialty with any payment received $14,925.58 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Foundation Medical Partners IncNashua, NH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Neurological Surgery Physician providers in New Hampshire
There are 35 neurological surgery physician records in New Hampshire.
Other neurological surgery physician records in New Hampshire
- Joshua Aronson, M.D.Lebanon, NH1093970949
- Nevan Baldwin, MDLebanon, NH1043262363
- Perry Ball, M.D.Lebanon, NH1144322371
- Eric Chang, MDNashua, NH1538295928
- Patricia Clerkin, M.D.Lebanon, NH1497858047
- Gareth Davies, M.D.Portsmouth, NH1609033232
- Susan Durham, MDLebanon, NH1619985033
- Murray Echt, M.D.Lebanon, NH1598174641
- Alexander Gamble, DOBedford, NH1518266410
- Jennifer Hong, MDLebanon, NH1174814792
Common questions
What is Katharine Margaret Cronk, MD, PHD's NPI number?
Katharine Margaret Cronk, MD, PHD's National Provider Identifier (NPI) is 1669652715, issued on Nov 6, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Katharine Margaret Cronk, MD, PHD located?
The NPPES record lists a practice address at 17 Prospect St Ste N203, Nashua, NH, 03060. Phone: (603) 577-2663. Providers update this record themselves, so call before visiting.
How can I verify Katharine Margaret Cronk, MD, PHD's license?
NPPES lists New Hampshire license number 19637, as entered by the provider. Search the New Hampshire Board of Medicine at https://www.oplc.nh.gov/board-medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Katharine Margaret Cronk, MD, PHD prescribe under Medicare Part D?
In 2024, Katharine Margaret Cronk, MD, PHD had 91 Medicare Part D claims for 55 beneficiaries; the average among neurological surgery physician prescribers was 172. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.