DR. MELISSA JUNE GERLACH MD
NPI 1639356553
Radiology - Diagnostic Radiology in Santa Cruz, CA
About Dr. Melissa June Gerlach Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MELISSA JUNE GERLACH MD (NPI 1639356553) is an individual diagnostic radiology provider in Santa Cruz, California, licensed in California (A109053) and active in the NPI registry since January 2008. She is enrolled in Medicare PECOS and is a graduate of University Of Illinois College Of Med (chi/peor/rock/chm-urb) (2003).
NPPES Registry Identity
Specialties & Licenses
Accepted 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. Melissa June Gerlach 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.
Medicare Billing Reassignments
4Medicare enrollment records show Melissa Gerlach reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Mountain View, CA 94040
- Reassigned Medicare billing, California enrollment
- 67 clinicians in this Medicare group
Northridge, CA 91325
- Reassigned Medicare billing, California enrollment
- 224 clinicians in this Medicare group
Laveen, AZ 85339
- Reassigned Medicare billing, Texas enrollment
- 482 clinicians in this Medicare group
Scottsdale, AZ 85251
- Reassigned Medicare billing, California enrollment
- 29 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 9
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 95062 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
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 Melissa Gerlach's NPI number?
The NPI number for Melissa Gerlach is 1639356553. It was assigned to this individual provider in the NPPES registry on January 22, 2008.
Where is Melissa Gerlach located?
Melissa Gerlach practices at 2025 Soquel Ave, Santa Cruz, CA 95062. The listed phone number is (831) 458-5521.
What is Melissa Gerlach's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Melissa Gerlach enrolled in Medicare?
Yes. Melissa Gerlach 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 organizations bill Medicare for Melissa Gerlach's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Melissa Gerlach reassigns Medicare benefits to 4 organizations: Health Diagnostics Of California A Professional Corporation (Mountain View, CA), Renaissance Imaging Medical Associates, Inc. (Northridge, CA), Gila River Health Care Corporation (Laveen, AZ) and Smi Imaging, LLC (Scottsdale, AZ). Each 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 Melissa Gerlach's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Melissa Gerlach accept?
Health plans from Blue Cross Blue Shield of Arizona list Melissa Gerlach 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.
When was this NPI record last updated?
The NPPES record for Melissa Gerlach was last updated on June 17, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 years 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.
# Dr. Melissa June Gerlach, MD · NPI 1639356553
Diagnostic Radiology physician in Santa Cruz, California. Individual provider, active in the CMS NPPES registry since January 22, 2008.
## Identity
- **NPI:** 1639356553 (Entity type: Individual)
- **Enumerated:** January 22, 2008
- **Primary specialty:** Radiology - Diagnostic Radiology · taxonomy 2085R0202X
- **State license:** A109053 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 2025 SOQUEL AVE, Santa Cruz, CA 95062-1323
- **Phone:** (831) 458-5521
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Health Diagnostics Of California A Professional Corporation (NPI 1104321959, Mountain View, CA); Renaissance Imaging Medical Associates, Inc. (NPI 1487608931, Northridge, CA); Gila River Health Care Corporation (NPI 1376538231, Laveen, AZ); Smi Imaging, LLC (NPI 1972004489, Scottsdale, AZ) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Illinois College Of Med, class of 2003
## Record status
- **NPPES last updated:** June 17, 2015
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Source: [NPI Profile](https://npiprofile.com/npi/1639356553) · Data from the CMS NPPES public registry.