John W. Colberg, MD
Urology Physician · New Haven, CT
John W. Colberg, MD is a urology physician with a practice address in New Haven, Connecticut, and NPI 1053396341, issued on Dec 9, 2005. Check the license (Connecticut 036647, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- John W. Colberg
- Credential
- MD
- Primary taxonomy
- Urology Physician 208800000X
- License number
- 036647 CT
Self-reported in NPPES; status is on the state search - Practice location
- 800 Howard Ave, New Haven, CT 06519
- Phone
- (203) 785-2815
- Enumerated
- Dec 9, 2005
- Record last updated
- Jun 25, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (203) 785-4043
- Medicaid ID
- 001366477 CT
- Medicare enrollment
- Enrolled (PECOS I20050328000662); accepts Medicare assignment
- Medical or professional school
- Washington College Of Physicians And Surgeons, 1985
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest urology physician records → All 185 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.
- Sonya Abdel-Razeq, MDMaternal & Fetal Medicine Physician1265415350
- Edouard Aboian, M.D.Vascular Surgery Physician1588830566
- 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 John W. Colberg in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 036647Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
65% fewer Medicare Part D claims than the average urology physician in 2024
474 Medicare Part D claims for 151 beneficiaries, against an average of 1,340 among the 10,782 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.
Most prescribed
- Tamsulosin Hcl189 claims
- Finasteride70 claims
- Myrbetriq36 claims
- Alfuzosin Hcl Er34 claims
- Dutasteride28 claims
- Ciprofloxacin Hcl16 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): 73.6 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).
Bills Medicare through 2 group practices
- Northeast Medical Group IncWesterly, RI
- Yale UniversityNew Haven, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John W. Colberg among 185 urology physician records in Connecticut
John W. Colberg, MD is one of 185 urology physician records with a practice address in Connecticut. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 81% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated1985 · median 2006 among the 127 with a school on file
- Record last updated2008 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208800000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Urology Physician providers in Connecticut
There are 185 urology physician records in Connecticut.
All 185 in Connecticut → Every provider in New Haven → Urology Physician nationwide →
The 8 urology physician records with the nearest ZIP codes
- Joseph Brito, M.D.New Haven, CT 065191568722551
- Jaime Cavallo, MD, MPHSNew Haven, CT 065191710185624
- Matthew Goland-Van Ryn, MDNew Haven, CT 065191992047740
- Martin Gross, MDNew Haven, CT 065191881915833
- Michael Karellas, M.D.New Haven, CT 065191376671396
- Patrick Kenney, M.D.New Haven, CT 065191174713218
- Gregory Lacy, M.D.New Haven, CT 065191073564829
- Michael Leapman, M.D.New Haven, CT 065191265666432
Common questions
What is John W. Colberg, MD's NPI number?
John W. Colberg, MD's National Provider Identifier (NPI) is 1053396341, issued on Dec 9, 2005. An NPI identifies a provider in billing; it is not a license.
Where is John W. Colberg, MD located?
The NPPES record lists a practice address at 800 Howard Ave, New Haven, CT, 06519. Phone: (203) 785-2815. Providers update this record themselves, so call before visiting.
How can I verify John W. Colberg, MD's license?
NPPES lists Connecticut license number 036647, 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 John W. Colberg, MD prescribe under Medicare Part D?
In 2024, John W. Colberg, MD had 474 Medicare Part D claims for 151 beneficiaries; the average among urology physician prescribers was 1,340. Part D covers Medicare prescriptions only.
What is John W. Colberg, MD's MIPS final score?
The 2023 MIPS final score is 73.6 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.