Marc Melcher, MD, PHD
NPI 1003870486 · Surgery Physician · Palo Alto, CA
Enrolled with Medicare as Practitioner - General Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marc Melcher, MD, PHD is a Surgery Physician provider in Palo Alto, CA (NPI 1003870486).
Provider details
- NPI number
- 1003870486
- Entity type
- Individual
- Primary specialty
- Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, PHD
- Sex
- Male
- Sole proprietor
- No
- License
- A73407 (CA)
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 tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
217 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 150 | $89 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 26 | $75 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 25 | $110 |
| Transplantation of Donor Kidney50360 | 16 | $2,731 |
Typical Medicare-allowed amounts for these services range $75–$2,731 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 19 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 160 | 26 |
| Amlodipine Besylate | 56 | 19 |
| Valganciclovir Hcl | 56 | 21 |
| Pantoprazole Sodium | 45 | 13 |
| Famotidine | 44 | 11 |
| Carvedilol | 23 | — |
| Pen Needle, Diabeticbrand: Comfort Ez Pen Needle | 23 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$3,065 across 5 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-04-13
- Last updated
- 2024-04-28
- Certified
- 2024-04-28
Frequently asked questions
- What is Marc Melcher's NPI number?
- Marc Melcher's National Provider Identifier (NPI) is 1003870486, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marc Melcher's specialty?
- Marc Melcher is listed in the NPPES registry with a primary specialty of Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Marc Melcher located?
- Marc Melcher's practice location on file with NPPES is 725 Welch Rd, Palo Alto, CA 94304-1601.
- What is Marc Melcher's phone number?
- The practice phone number listed in the NPPES registry for Marc Melcher is (650) 497-8000.
- Does Marc Melcher accept Medicare?
- Marc Melcher is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marc Melcher's NPI active?
- Yes — Marc Melcher's NPI (1003870486) is active in the NPPES registry as of the last update on 2024-04-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.