Melissa Gerlach, MD
NPI 1639356553 · Diagnostic Radiology Physician · Santa Cruz, CA
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Melissa Gerlach, MD is a Diagnostic Radiology Physician provider in Santa Cruz, CA (NPI 1639356553).
Provider details
- NPI number
- 1639356553
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 218545 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
18 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
4,156 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Screening Mammography77067 | 1,532 | $80 |
| Screening 3d Breast Mammography77063 | 1,531 | $40 |
| Dxa Bone Density Measurement of Hip, Pelvis, Spine77080 | 283 | $43 |
| Complete Ultrasound Scan of 1 Breast76641 | 214 | $81 |
| Diagnostic Digital Breast Tomosynthesis, Unilateral Or Bilateral (list Separately in Addition to 77065 Or 77066)G0279 | 212 | $31 |
| Limited Ultrasound Scan of 1 Breast76642 | 148 | $36 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-01-22
- Last updated
- 2015-06-17
Frequently asked questions
- What is Melissa Gerlach's NPI number?
- Melissa Gerlach's National Provider Identifier (NPI) is 1639356553, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Melissa Gerlach's specialty?
- Melissa Gerlach is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Melissa Gerlach located?
- Melissa Gerlach's practice location on file with NPPES is 2025 Soquel Ave, Santa Cruz, CA 95062-1323.
- What is Melissa Gerlach's phone number?
- The practice phone number listed in the NPPES registry for Melissa Gerlach is (831) 458-5521.
- Does Melissa Gerlach accept Medicare?
- Melissa Gerlach is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Melissa Gerlach's NPI active?
- Yes — Melissa Gerlach's NPI (1639356553) is active in the NPPES registry as of the last update on 2015-06-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.