ROCIO NORDFELDT M.D.
NPI 1043530033
Family Medicine in Marlborough, MA

Active since June 02, 2010PECOS EnrolledAccepts Medicare Assignment
640 BOLTON ST, MARLBOROUGH, MA 01752(508) 481-0200 Get Directions Write a Review

NPPES record last updated: October 23, 2020. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Rocio Nordfeldt M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ROCIO NORDFELDT M.D. (NPI 1043530033) is an individual family medicine provider in Marlborough, Massachusetts, licensed in Massachusetts (244963) and active in the NPI registry since June 2010. She is enrolled in Medicare PECOS, is affiliated with Umass Memorial Healthalliance Hospitals, and is a graduate of Other (2005).

NPPES Registry Identity

NPI1043530033
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameROCIO NORDFELDTCredential: M.D.
Location Address640 BOLTON STMarlborough, MA 01752-3999
Mailing AddressPo Box 415348Boston, MA 02241-5348 · (508) 481-0200
Sole ProprietorNo
Medical School CMSOtherGraduated 2005
Enumeration DateJune 2, 2010
Last NPPES UpdateOctober 23, 2020
NPPES CertifiedOctober 23, 2020
✔ NPI 1043530033 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in MA · 244963
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
640 BOLTON ST, Marlborough, MA 01752

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

Rocio Nordfeldt M.d. 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.

PECOS PAC ID7517199375
PECOS Enrollment IDI20141023000871
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Rocio Nordfeldt reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Internal Medicine
55 LAKE AVE N
Worcester, MA 01655
  • Reassigned Medicare billing, Massachusetts enrollment
  • 2,902 clinicians in this Medicare group
Federally Qualified Health Center (FQHC)
165 MILL ST
Leominster, MA 01453
  • Reassigned Medicare billing, Massachusetts enrollment
  • 124 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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
193 services99 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
75 services52 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
72 services72 patients
Administration of influenza virus vaccine G0008
The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.
41 services36 patients
Routine electrocardiogram (ecg) using at least 12 leads with tracing 93005
An Electrocardiogram (ECG) is a simple, painless test that records the heart's electrical activity. Using 12 leads attached to your skin, it generates a tracing of your heart rhythm. It helps detect any heart problems by showing the timing and strength of electrical signals passing through each part of your heart.
25 services24 patients
Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 90677
The Pneumococcal Conjugate Vaccine (PCV20) is a shot given to protect against 20 types of bacteria that can cause serious infections like pneumonia and meningitis. It's administered through a muscle, usually in the arm. It's important for overall health.
19 services19 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Umass Memorial Healthalliance Hospitals

Acute Care Hospitals · Leominster, MA
2/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number220001
Location60 Hospital RoadLeominster, MA 01453 · Worcester County
Emergency services

Umass Memorial Healthcare-Marlborough Hospital

Acute Care Hospitals · Marlborough, MA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220049
Location157 Union StreetMarlborough, MA 01752 · Middlesex County
Emergency services

Umass Memorial Medical Center/University Campus

Acute Care Hospitals · Worcester, MA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220163
Location55 Lake Avenue NorthWorcester, MA 01655 · Worcester County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 01752 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$97.64 typical visit price
range $63.72 – $189.86
Typical copayment $24.41 (range $15.93 – $47.46)
Most-billed visit code 99203
Established Patient
$111.18 typical visit price
range $21.07 – $155.29
Typical copayment $27.79 (range $5.26 – $38.82)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
5 suppliers16 claims38 services$4.52 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 5

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Family Medicine
640 BOLTON ST
MARLBOROUGH, MA 01752
Family Medicine
640 BOLTON ST
MARLBOROUGH, MA 01752
Internal Medicine
640 BOLTON ST
MARLBOROUGH, MA 01752
Internal Medicine
640 BOLTON ST
MARLBOROUGH, MA 01752
Internal Medicine
640 BOLTON ST
MARLBOROUGH, MA 01752

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 Rocio Nordfeldt's NPI number?

The NPI number for Rocio Nordfeldt is 1043530033. It was assigned to this individual provider in the NPPES registry on June 2, 2010.

Where is Rocio Nordfeldt located?

Rocio Nordfeldt practices at 640 Bolton St, Marlborough, MA 01752. The listed phone number is (508) 481-0200.

What is Rocio Nordfeldt's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Rocio Nordfeldt enrolled in Medicare?

Yes. Rocio Nordfeldt 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 Rocio Nordfeldt's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Rocio Nordfeldt reassigns Medicare benefits to 2 organizations: Umass Memorial Medical Group Inc (Worcester, MA) and Community Health Connections, Inc. (Leominster, MA). 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 Rocio Nordfeldt's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Rocio Nordfeldt accept?

Health plans from Anthem Blue Cross and Blue Shield and Taro Health list Rocio Nordfeldt 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.

Is Rocio Nordfeldt affiliated with any hospitals?

According to CMS data, Rocio Nordfeldt is affiliated with Umass Memorial Healthalliance Hospitals, Umass Memorial Healthcare-Marlborough Hospital and Umass Memorial Medical Center/University Campus.

When was this NPI record last updated?

The NPPES record for Rocio Nordfeldt was last updated on October 23, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.