Mary Kate R. Hattan, MD
Family Medicine Physician · Concord, NH
Mary Kate R. Hattan, MD is a family medicine physician with a practice address in Concord, New Hampshire, and NPI 1154683290, issued on Jun 14, 2012. Check the license (New Hampshire 18176, as entered in NPPES) on the New Hampshire Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Mary Kate R. Hattan
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- 18176 NH
252007 MA
Self-reported in NPPES; status is on the state search - Practice location
- 18 Foundry St Ste 201, Concord, NH 03301
- Phone
- (603) 228-0071
- Enumerated
- Jun 14, 2012
- Record last updated
- Jul 21, 2022
- Fax
- (603) 228-7014
- Medicare enrollment
- Enrolled (PECOS I20170830000833); accepts Medicare assignment
- Medical or professional school
- Geisel School Of Medicine At Dartmouth, 2012
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 816 in New Hampshire → Look up another NPI →
Also registered at 18 Foundry St Ste 201
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Shauna Bumford, APRNFamily Nurse Practitioner1972258812
- Anastasia Carroll, PAPhysician Assistant1922896638
- Rachel Franchi-Winters, D.O.Family Medicine Physician1396189684
- Ashley JoyFamily Nurse Practitioner1710556428
- Susan Lohmiller, RDRegistered Dietitian1225896236
- David Macleod, MDFamily Medicine Physician1821544198
Verify Mary Kate R. Hattan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Hampshire Board of Medicine
Search for license 18176Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
14% fewer Medicare Part D claims than the average family medicine physician in 2024
3,056 Medicare Part D claims for 263 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 35 claims were for opioids.
Most prescribed
- Atorvastatin Calcium169 claims
- Amlodipine Besylate162 claims
- Levothyroxine Sodium161 claims
- Lisinopril136 claims
- Gabapentin114 claims
- Hydrochlorothiazide106 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.
The MIPS final score for 2023 (Medicare payment program): 89.4 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Concord Hospital IncConcord, NH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mary Kate R. Hattan among 816 family medicine physician records in New Hampshire
Mary Kate R. Hattan, MD is one of 816 family medicine physician records with a practice address in New Hampshire. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 73% of them.
- NPI issued2012 · 73% of these records are older, 25% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated2012 · median 2003 among the 498 with a school on file
- Record last updated2022 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a New Hampshire practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
116 family medicine physician records list a practice address in Concord
They are 116 of the 3,103 NPPES records with a practice address in Concord, and 816 family medicine physician records in New Hampshire.
All 816 in New Hampshire → Every provider in Concord → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Jay Bryan Bannister, MDConcord, NH 033011619970746
- John Barksdale, MDConcord, NH 033011407809239
- Michael Carr, DOConcord, NH 033011780680066
- Elizabeth Clardy, MDConcord, NH 033011972559433
- Jennifer Dewar, MDConcord, NH 033011164428595
- Daniel Eubank, M.D.Concord, NH 033011841295797
- Dominic Geffken, M.D.Concord, NH 033011861497778
- Michael Madan, MDConcord, NH 033011386633477
Common questions
What is Mary Kate R. Hattan, MD's NPI number?
Mary Kate R. Hattan, MD's National Provider Identifier (NPI) is 1154683290, issued on Jun 14, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Mary Kate R. Hattan, MD located?
The NPPES record lists a practice address at 18 Foundry St Ste 201, Concord, NH, 03301. Phone: (603) 228-0071. Providers update this record themselves, so call before visiting.
How can I verify Mary Kate R. Hattan, MD's license?
NPPES lists New Hampshire license number 18176, 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 Mary Kate R. Hattan, MD prescribe under Medicare Part D?
In 2024, Mary Kate R. Hattan, MD had 3,056 Medicare Part D claims for 263 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Mary Kate R. Hattan, MD's MIPS final score?
The 2023 MIPS final score is 89.4 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.