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DR. CHRISTIAN JAMES GRONBECK MD
NPI 1093392797
Dermatology in Beverly, MA

Active since March 27, 2021PECOS EnrolledAccepts Medicare Assignment
85 HERRICK ST, BEVERLY, MA 01915(978) 922-3000(978) 524-7954 Get Directions Write a Review

NPPES record last updated: August 10, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Aug 10, 2026, Aug 7, 2026, Jul 13, 2026 and 1 more (4 updates tracked since 2021).

About Dr. Christian James Gronbeck Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. CHRISTIAN JAMES GRONBECK MD (NPI 1093392797) is an individual dermatology provider in Beverly, Massachusetts, licensed in Massachusetts (1026512) and active in the NPI registry since March 2021. He is enrolled in Medicare PECOS, is affiliated with Northeast Hospital Corporation, and is a graduate of University Of Connecticut School Of Medicine (2021).

NPPES Registry Identity

NPI1093392797
Entity TypeIndividualMale
Primary Taxonomy207N00000X
Provider Legal NameDR. CHRISTIAN JAMES GRONBECKCredential: MD
Location Address85 HERRICK STBeverly, MA 01915-1790
Mailing AddressPo Box 24300New York, NY 10087-4300 · (781) 744-8771 · Fax (978) 524-7954
Phone(978) 922-3000
Fax(978) 524-7954
Sole ProprietorNo
Medical School CMSUniversity Of Connecticut School Of MedicineGraduated 2021
Enumeration DateMarch 27, 2021
Last NPPES UpdateAugust 10, 20264 updates tracked since enumeration
NPPES CertifiedAugust 10, 2026
✔ NPI 1093392797 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDermatologyAllopathic & Osteopathic Physicians
Taxonomy Code207N00000X
License✔ Licensed in MA · 1026512
Definition
A dermatologist is trained to diagnose and treat pediatric and adult patients with benign and malignant disorders of the skin, mouth, external genitalia, hair and nails, as well as a number of sexually transmitted diseases. The dermatologist has had additional training and experience in the diagnosis and treatment of skin cancers, melanomas, moles and other tumors of the skin, the management of contact dermatitis and other allergic and nonallergic skin disorders, and in the recognition of the skin manifestations of systemic (including internal malignancy) and infectious diseases. Dermatologists have special training in dermatopathology and in the surgical techniques used in dermatology. They also have expertise in the management of cosmetic disorders of the skin such as hair loss and scars and the skin changes associated with aging.
85 HERRICK ST, Beverly, MA 01915
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Taro Health.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Christian James Gronbeck Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6305240755
PECOS Enrollment IDI20260703000740
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Christian Gronbeck reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Beth Israel Lahey Health Specialty Care, Inc.
11 mi
Internal Medicine
298 WASHINGTON ST
Gloucester, MA 01930
  • Reassigned Medicare billing, Massachusetts enrollment
  • 477 clinicians in this Medicare group
NPI 1235147760 (978) 282-3681

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Northeast Hospital Corporation

Acute Care Hospitals · Beverly, MA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220033
Location85 Herrick StreetBeverly, MA 01915 · Essex County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 01915 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$90.70 typical visit price
range $58.86 – $177.36
Typical copayment $22.67 (range $14.71 – $44.34)
Most-billed visit code 99203
Established Patient
$73.22 typical visit price
range $19.11 – $144.84
Typical copayment $18.30 (range $4.77 – $36.21)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. ROBERT JOHN TAVARES M.D.
Internal Medicine
85 HERRICK ST, LAHEY AT BEVERLY HOSPITAL
BEVERLY, MA 01915
Essex County (978) 922-3000
JENNA SUSAN LINEHAN RD
Dietitian, Registered
85 HERRICK ST
BEVERLY, MA 01915
Essex County (978) 816-2501
RONALD NEWMAN MD
Internal Medicine
85 HERRICK ST, LAHEY AT BEVERLY HOSPITAL
BEVERLY, MA 01915
Essex County (978) 922-3000
TYANNA BARNES CRNA
Nurse Anesthetist, Certified Registered
85 HERRICK ST
BEVERLY, MA 01915
Essex County (978) 816-2501
MS. LINDA G HAYNES PNP
Nurse Practitioner (Pediatrics)
85 HERRICK ST, THE LYNCH BUILDING
BEVERLY, MA 01915
Essex County (978) 921-2899
DR. ARIADNE STEPHANIE SCOTT IRIARTE MD
Internal Medicine
85 HERRICK ST
BEVERLY, MA 01915
Essex County (978) 922-3000
PAULA K MARTINEZ MD
Hospitalist
85 HERRICK ST
BEVERLY, MA 01915
Essex County (978) 816-3700
NATALIE REYNOLDS RULLI
Dietitian, Registered
85 HERRICK ST
BEVERLY, MA 01915
Essex County (978) 816-2501

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Christian Gronbeck's NPI number?

The NPI number for Christian Gronbeck is 1093392797. It was assigned to this individual provider in the NPPES registry on March 27, 2021.

Where is Christian Gronbeck located?

Christian Gronbeck practices at 85 Herrick St, Beverly, MA 01915. The listed phone number is (978) 922-3000.

What is Christian Gronbeck's specialty?

The primary specialty registered for this NPI is Dermatology with taxonomy code 207N00000X.

Is Christian Gronbeck enrolled in Medicare?

Yes. Christian Gronbeck is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Christian Gronbeck's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Christian Gronbeck reassigns Medicare benefits to Beth Israel Lahey Health Specialty Care, Inc. (Gloucester, MA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Christian Gronbeck's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Christian Gronbeck accept?

Health plans from Anthem Blue Cross and Blue Shield and Taro Health list Christian Gronbeck as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Christian Gronbeck affiliated with any hospitals?

According to CMS data, Christian Gronbeck is affiliated with Northeast Hospital Corporation.

When was this NPI record last updated?

The NPPES record for Christian Gronbeck was last updated on August 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.