Wolf J. Erlich, MD
Endocrinology, Diabetes & Metabolism Physician · Wallingford, CT
Wolf J. Erlich, MD is an endocrinology, diabetes & metabolism physician with a practice address in Wallingford, Connecticut, and NPI 1801960901, issued on Nov 20, 2006. Check the license (Connecticut 033341, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Wolf J. Erlich
- Credential
- MD
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- 033341 CT
Self-reported in NPPES; status is on the state search - Practice location
- 950 Yale Ave, Wallingford, CT 06492
- Phone
- (203) 679-4296
- Enumerated
- Nov 20, 2006
- Record last updated
- Nov 13, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (203) 679-4299
- Medicaid ID
- 001333418 CT
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 214 in Connecticut → Look up another NPI →
Also registered at 950 Yale Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Erica Colavolpe, APRNFamily Nurse Practitioner1598860132
Verify Wolf J. Erlich in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 033341Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
51% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
1,279 Medicare Part D claims for 310 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 31% of claims.
Most prescribed
- Levothyroxine Sodium245 claims
- Metformin Hcl Er80 claims
- Atorvastatin Calcium63 claims
- Glimepiride59 claims
- Lantus Solostar59 claims
- Nano 2nd Gen Pen Needle58 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.
Wolf J. Erlich among 214 endocrinology, diabetes & metabolism physician records in Connecticut
Wolf J. Erlich, MD is one of 214 endocrinology, diabetes & metabolism physician records with a practice address in Connecticut. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 13% of them.
- NPI issued2006 · 13% of these records are older, 55% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileNo · 68% of these records are
- Record last updated2020 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in Connecticut
There are 214 endocrinology, diabetes & metabolism physician records in Connecticut.
All 214 in Connecticut → Every provider in Wallingford → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Lori De La Portilla, DOSouthington, CT 064891134562911
- James Case, MDOrange, CT 064771750866182
- Raimund Herzog, M.D.New Haven, CT 065101740412675
- Jing Hughes, MDNew Haven, CT 065101538302765
- Ania Jastreboff, M.D., PH.D.New Haven, CT 065101780788349
- Kasia Lipska, M.D.New Haven, CT 065101699707133
- Beatrice Lupsa, M.D.New Haven, CT 065101083844732
- Sachin Majumdar, M.D.New Haven, CT 065101639201650
Common questions
What is Wolf J. Erlich, MD's NPI number?
Wolf J. Erlich, MD's National Provider Identifier (NPI) is 1801960901, issued on Nov 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Wolf J. Erlich, MD located?
The NPPES record lists a practice address at 950 Yale Ave, Wallingford, CT, 06492. Phone: (203) 679-4296. Providers update this record themselves, so call before visiting.
How can I verify Wolf J. Erlich, MD's license?
NPPES lists Connecticut license number 033341, 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 Wolf J. Erlich, MD prescribe under Medicare Part D?
In 2024, Wolf J. Erlich, MD had 1,279 Medicare Part D claims for 310 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. 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.