Christian James Gronbeck, MD
Dermatology Physician · Beverly, MA
Christian James Gronbeck, MD is a dermatology physician with a practice address in Beverly, Massachusetts, and NPI 1093392797, issued on Mar 27, 2021. Check the license (Massachusetts 1026512, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Christian James Gronbeck
- Credential
- MD
- Primary taxonomy
- Dermatology Physician 207N00000X
- License number
- 1026512 MA
Self-reported in NPPES; status is on the state search - Practice location
- 85 Herrick St, Beverly, MA 01915
- Phone
- (978) 922-3000
- Enumerated
- Mar 27, 2021
- Record last updated
- Aug 7, 2026
- Fax
- (978) 524-7954
- Entity
- Type 1 · individual
8 nearest dermatology physician records → All 627 in Massachusetts → Look up another NPI →
Also registered at 85 Herrick St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Christian James Gronbeck in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 1026512Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
36% fewer Medicare Part D claims than the average dermatology physician in 2024
510 Medicare Part D claims for 171 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims.
Most prescribed
- Ketoconazole73 claims
- Triamcinolone Acetonide62 claims
- Clobetasol Propionate59 claims
- Humira(Cf) Pen29 claims
- Clindamycin Phosphate22 claims
- Dupixent Syringe18 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.
Industry payments in 2024: $113.94
1 payment: food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. The 10,250 providers of this specialty with any payment received $8,544.61 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.
Christian James Gronbeck among 627 dermatology physician records in Massachusetts
Christian James Gronbeck, MD 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 2021, is newer than 91% of them.
- NPI issued2021 · 91% of these records are older, 6% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileNo · 71% of these records are
- Record last updated2026 · 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 Beverly → Dermatology Physician nationwide →
The 8 dermatology physician records with the nearest ZIP codes
- Jessica Awerman, MDBeverly, MA 019151114455102
- Sabina Bis, MDBeverly, MA 019151437476975
- Margaret Bruns, MDBeverly, MA 019151356830731
- Deborah Cummins, M.D.Beverly, MA 019151871633552
- Jordan Cummins, M.D., PH.D.Beverly, MA 019151538297676
- Lilit Garibyan, M.D, PH.D.Beverly, MA 019151114153004
- David Greenstein, M.D.Beverly, MA 019151205931789
- Catherine Higham, MDBeverly, MA 019151790172559
Common questions
What is Christian James Gronbeck, MD's NPI number?
Christian James Gronbeck, MD's National Provider Identifier (NPI) is 1093392797, issued on Mar 27, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Christian James Gronbeck, MD located?
The NPPES record lists a practice address at 85 Herrick St, Beverly, MA, 01915. Phone: (978) 922-3000. Providers update this record themselves, so call before visiting.
How can I verify Christian James Gronbeck, MD's license?
NPPES lists Massachusetts license number 1026512, 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 Christian James Gronbeck, MD prescribe under Medicare Part D?
In 2024, Christian James Gronbeck, MD had 510 Medicare Part D claims for 171 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.