Allen Daniel Nicholson, M.D.
Orthopaedic Surgery Physician · New Haven, CT
Allen Daniel Nicholson, M.D. is an orthopaedic surgery physician with a practice address in New Haven, Connecticut, and NPI 1184002230, issued on May 9, 2015. Check the license on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Allen Daniel Nicholson
- Credential
- M.D.
- Primary taxonomy
- Orthopaedic Surgery Physician 207X00000X
- License numbers
- 25MA11115400 NJ
301928 NY
Self-reported in NPPES; status is on the state search - Practice location
- 800 Howard Ave, New Haven, CT 06519
- Phone
- (203) 785-2579
- Enumerated
- May 9, 2015
- Record last updated
- Aug 12, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20210820002795); may accept Medicare assignment
- Medical or professional school
- Yale University School Of Medicine, 2015
- Entity
- Type 1 · individual
8 nearest orthopaedic surgery physician records → All 348 in Connecticut → Look up another NPI →
Also registered at 800 Howard Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Lynn Acton, MSSpeech-Language Pathologist1205817889
- Joseph Agostini, MDGeriatric Medicine (Internal Medicine) Physician1104832146
- Nita Ahuja, M.D.Surgery Physician1093779308
- Christina Allen, MDSports Medicine (Orthopaedic Surgery) Physician1841242351
Verify Allen Daniel Nicholson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining BoardCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
6% fewer Medicare Part D claims than the average orthopaedic surgery physician in 2024
325 Medicare Part D claims for 157 beneficiaries, against an average of 346 among the 16,516 providers of this specialty who prescribed in Part D. 128 claims were for opioids.
Most prescribed
- Oxycodone Hcl115 claims
- Amoxicillin43 claims
- Meloxicam38 claims
- Doxycycline Monohydrate33 claims
- Methylprednisolone25 claims
- Alprazolam11 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.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $175.08
4 payments; by number, the most common kind was food and beverage; the largest payer was Zimmer Biomet Holdings, Inc. The 15,003 providers of this specialty with any payment received $23,022.89 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
- Professional Orthopaedic Assoc PATinton Falls, NJ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Allen Daniel Nicholson among 348 orthopaedic surgery physician records in Connecticut
Allen Daniel Nicholson, M.D. is one of 348 orthopaedic surgery physician records with a practice address in Connecticut. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 88% of them.
- NPI issued2015 · 88% of these records are older, 10% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2015 · median 2000 among the 224 with a school on file
- Record last updated2021 · 66% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207X00000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Orthopaedic Surgery Physician providers in Connecticut
There are 348 orthopaedic surgery physician records in Connecticut.
All 348 in Connecticut → Every provider in New Haven → Orthopaedic Surgery Physician nationwide →
The 8 orthopaedic surgery physician records with the nearest ZIP codes
- Michael Baumgaertner, MDNew Haven, CT 065191538143532
- Gary Friedlaender, MDNew Haven, CT 065191730163171
- John Fulkerson, MDNew Haven, CT 065191184621419
- Jonathan Grauer, MDNew Haven, CT 065191962486399
- Peter Jokl, MDNew Haven, CT 065191073597407
- Francis Lee, MDNew Haven, CT 065191043240997
- Michael Leslie, DONew Haven, CT 065191215147699
- Dieter Lindskog, MDNew Haven, CT 065191023092459
Common questions
What is Allen Daniel Nicholson, M.D.'s NPI number?
Allen Daniel Nicholson, M.D.'s National Provider Identifier (NPI) is 1184002230, issued on May 9, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Allen Daniel Nicholson, M.D. located?
The NPPES record lists a practice address at 800 Howard Ave, New Haven, CT, 06519. Phone: (203) 785-2579. Providers update this record themselves, so call before visiting.
How can I verify Allen Daniel Nicholson, M.D.'s license?
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 Allen Daniel Nicholson, M.D. prescribe under Medicare Part D?
In 2024, Allen Daniel Nicholson, M.D. had 325 Medicare Part D claims for 157 beneficiaries; the average among orthopaedic surgery physician prescribers was 346. Part D covers Medicare prescriptions only.
What is Allen Daniel Nicholson, M.D.'s MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
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.