Mark De Carvalho, APRN, FNP-C
NPI 1306509971 · Family Nurse Practitioner · Encinitas, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark De Carvalho, APRN, FNP-C is a Family Nurse Practitioner provider in Encinitas, CA (NPI 1306509971).
Provider details
- NPI number
- 1306509971
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APRN, FNP-C
- Sex
- Male
- Sole proprietor
- No
- License
- 349083 (NY)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
- Family Nurse Practitioner363LF0000X
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
4 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
102 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 39 | $105 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 29 | $75 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 22 | $14 |
| Annual Alcohol Misuse Screening, 5 to 15 MinutesG0442 | 12 | $15 |
Typical Medicare-allowed amounts for these services range $14–$105 (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 · 62 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 299 | 145 |
| Metformin Hcl | 155 | 79 |
| Amlodipine Besylate | 153 | 75 |
| Losartan Potassium | 122 | 65 |
| Lisinopril | 106 | 61 |
| Levothyroxine Sodium | 97 | 44 |
| Omeprazole |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,592 across 80 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
- 2021-10-20
- Last updated
- 2026-03-11
- Certified
- 2026-03-11
Frequently asked questions
- What is Mark De Carvalho's NPI number?
- Mark De Carvalho's National Provider Identifier (NPI) is 1306509971, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark De Carvalho's specialty?
- Mark De Carvalho is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mark De Carvalho located?
- Mark De Carvalho's practice location on file with NPPES is 914 N Coast Highway 101, Encinitas, CA 92024-2074.
- What is Mark De Carvalho's phone number?
- The practice phone number listed in the NPPES registry for Mark De Carvalho is (202) 932-9958.
- Does Mark De Carvalho accept Medicare?
- Mark De Carvalho is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark De Carvalho's NPI active?
- Yes — Mark De Carvalho's NPI (1306509971) is active in the NPPES registry as of the last update on 2026-03-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.