Rachel A. Ivker, M.D.
Dermatology Physician · Springfield, MA
Rachel A. Ivker, M.D. is a dermatology physician with a practice address in Springfield, Massachusetts, and NPI 1821094459, issued on Jun 28, 2005. Check the license (Massachusetts 205848, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Rachel A. Ivker
- Credential
- M.D.
- Primary taxonomy
- Dermatology Physician 207N00000X
- License number
- 205848 MA
Self-reported in NPPES; status is on the state search - Practice location
- 3455 Main St, Springfield, MA 01107
- Phone
- (413) 733-9600
- Enumerated
- Jun 28, 2005
- Record last updated
- Apr 24, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (413) 732-6534
- Medicare enrollment
- Enrolled (PECOS I20040816001364); accepts Medicare assignment
- Medical or professional school
- New York University School Of Medicine, 1991
- Entity
- Type 1 · individual
8 nearest dermatology physician records → All 627 in Massachusetts → Look up another NPI →
Also registered at 3455 Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mark Blumberg, M.D.Dermatology Physician1588662019
- Caroline CristoforoRegistered Nurse1396676318
- Anna Dennis, CNM, WHNPMidwife1871039453
- Kevin Fitzgerald, MDObstetrics & Gynecology Physician1194784454
- Aaron Fox, D.M.D.General Practice Dentistry1083897953
- Glenn Genest, M.D.Dermatology Physician1942208525
Verify Rachel A. Ivker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 205848Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
50% more Medicare Part D claims than the average dermatology physician in 2024
1,192 Medicare Part D claims for 523 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims.
Most prescribed
- Metronidazole143 claims
- Fluorouracil113 claims
- Triamcinolone Acetonide105 claims
- Ketoconazole83 claims
- Betamethasone Dipropionate57 claims
- Ciclopirox50 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.
Bills Medicare through one group practice
- New England Dermatology PCSpringfield, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Rachel A. Ivker among 627 dermatology physician records in Massachusetts
Rachel A. Ivker, M.D. is one of 627 dermatology physician records with a practice address in Massachusetts. 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 89% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated1991 · median 2008 among the 445 with a school on file
- Record last updated2008 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207N00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Dermatology Physician providers in Massachusetts
There are 627 dermatology physician records in Massachusetts.
All 627 in Massachusetts → Every provider in Springfield → Dermatology Physician nationwide →
The 8 dermatology physician records with the nearest ZIP codes
- Mark Blumberg, M.D.Springfield, MA 011071588662019
- Glenn Genest, M.D.Springfield, MA 011071942208525
- Stanley Glazer, M.D.Springfield, MA 011071679570071
- Joel Gordon, M.D.Springfield, MA 011071770553505
- Sheila McMurrichSpringfield, MA 011071316173495
- Ronald Nadel, M.D.Springfield, MA 011071821094715
- Arthur Sher, M.D.Springfield, MA 011071851397483
- Erica SilkSpringfield, MA 011071821645649
Common questions
What is Rachel A. Ivker, M.D.'s NPI number?
Rachel A. Ivker, M.D.'s National Provider Identifier (NPI) is 1821094459, issued on Jun 28, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Rachel A. Ivker, M.D. located?
The NPPES record lists a practice address at 3455 Main St, Springfield, MA, 01107. Phone: (413) 733-9600. Providers update this record themselves, so call before visiting.
How can I verify Rachel A. Ivker, M.D.'s license?
NPPES lists Massachusetts license number 205848, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Rachel A. Ivker, M.D. prescribe under Medicare Part D?
In 2024, Rachel A. Ivker, M.D. had 1,192 Medicare Part D claims for 523 beneficiaries; the average among dermatology physician prescribers was 797. 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.