Mark J. Hotchkiss, MD
Nephrology Physician · Orange, CT
Mark J. Hotchkiss, MD is a nephrology physician with a practice address in Orange, Connecticut, and NPI 1861488033, issued on Sep 23, 2005. Check the license (Connecticut 34345, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Mark J. Hotchkiss
- Credential
- MD
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- 34345 CT
Self-reported in NPPES; status is on the state search - Practice location
- 235 Boston Post RD Ste 202, Orange, CT 06477
- Phone
- (203) 799-1252
- Enumerated
- Sep 23, 2005
- Record last updated
- Apr 11, 2025
- Fax
- (203) 799-3252
- Medicaid ID
- 001343459 CT
- Medicare enrollment
- Enrolled (PECOS I20070919000150); accepts Medicare assignment
- Medical or professional school
- State University Of New York At Stony Brook, School Of Medicine, 1990
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 235 Boston Post RD Ste 202
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Patricia Borrelli, APRNFamily Nurse Practitioner1982035796
- Peter Chuang, M.D.Nephrology Physician1396912598
- Suzzunne Decruz, PA-CPhysician Assistant1033312244
- Nataliia Dyatlova, MDNephrology Physician1033672472
- Eric EnglishFamily Nurse Practitioner1265041123
- Janyna Healy, APRNAcute Care Nurse Practitioner1508539024
Verify Mark J. Hotchkiss in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 34345Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
23% more Medicare Part D claims than the average nephrology physician in 2024
1,809 Medicare Part D claims for 329 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. 34 claims were for opioids.
Most prescribed
- Calcitriol173 claims
- Amlodipine Besylate159 claims
- Furosemide123 claims
- Losartan Potassium118 claims
- Lisinopril79 claims
- Potassium Citrate Er53 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 practice group's MIPS final score for 2023 (Medicare payment program): 90.7 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $5.46
2 payments; by number, the most common kind was education; the largest payer was Travere Therapeutics, Inc. The 8,230 providers of this specialty with any payment received $3,091.37 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
- Hhc Physician Services PLLCNorth Haven, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
6 nephrology physician records list a practice address in Orange
They are 6 of the 378 NPPES records with a practice address in Orange, and 167 nephrology physician records in Connecticut.
All 6 in Orange → All 167 in Connecticut → Every provider in Orange →
Other nephrology physician records in Connecticut
- Mervet Abouelkair, M.D.New Britain, CT1740295112
- Ali Abu-Alfa, MDNew Haven, CT1841274610
- William Ackley, M.D.New Haven, CT1225565906
- Nancy Adams, M.D.Farmington, CT1770588592
- Bayode Afolalu, M.D.Orange, CT1548442726
- Abinet Aklilu, MDNew Haven, CT1710331780
- Feras Al Shami, M.D.New Britain, CT1982086765
- Robert Alpern, MDNew Haven, CT1477785285
- Peter Aronson, MDNew Haven, CT1124002985
- William Asch, M.D., PH.D.New Haven, CT1003933326
Common questions
What is Mark J. Hotchkiss, MD's NPI number?
Mark J. Hotchkiss, MD's National Provider Identifier (NPI) is 1861488033, issued on Sep 23, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Mark J. Hotchkiss, MD located?
The NPPES record lists a practice address at 235 Boston Post RD Ste 202, Orange, CT, 06477. Phone: (203) 799-1252. Providers update this record themselves, so call before visiting.
How can I verify Mark J. Hotchkiss, MD's license?
NPPES lists Connecticut license number 34345, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mark J. Hotchkiss, MD prescribe under Medicare Part D?
In 2024, Mark J. Hotchkiss, MD had 1,809 Medicare Part D claims for 329 beneficiaries; the average among nephrology physician prescribers was 1,465. Part D covers Medicare prescriptions only.
What is Mark J. Hotchkiss, MD's MIPS final score?
The 2023 MIPS final score is 90.7 of 100, reported for the practice group. 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.