Rocio Nordfeldt, M.D.
NPI 1043530033 · Family Medicine Physician · Marlborough, MA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Rocio Nordfeldt, M.D. is a Family Medicine Physician provider in Marlborough, MA (NPI 1043530033).
Provider details
- NPI number
- 1043530033
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 244963 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
16 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
473 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 | 193 | $98 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 75 | $79 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 72 | $62 |
| Administration of Influenza Virus VaccineG0008 | 41 | $35 |
| 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 | 32 | $17 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Tracing |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 79 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 294 | 87 |
| Lisinopril | 158 | 47 |
| Amlodipine Besylate | 153 | 43 |
| Levothyroxine Sodium | 148 | 42 |
| Omeprazole | 142 | 38 |
| Metoprolol Succinate | 116 | 38 |
| Gabapentin |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$20 across 1 record (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
- 2010-06-02
- Last updated
- 2020-10-23
- Certified
- 2020-10-23
Frequently asked questions
- What is Rocio Nordfeldt's NPI number?
- Rocio Nordfeldt's National Provider Identifier (NPI) is 1043530033, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Rocio Nordfeldt's specialty?
- Rocio Nordfeldt is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Rocio Nordfeldt located?
- Rocio Nordfeldt's practice location on file with NPPES is 640 Bolton St, Marlborough, MA 01752-3999.
- What is Rocio Nordfeldt's phone number?
- The practice phone number listed in the NPPES registry for Rocio Nordfeldt is (508) 481-0200.
- Does Rocio Nordfeldt accept Medicare?
- Rocio Nordfeldt is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Rocio Nordfeldt's NPI active?
- Yes — Rocio Nordfeldt's NPI (1043530033) is active in the NPPES registry as of the last update on 2020-10-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.