Rocio Nordfeldt, M.D.
Family Medicine Physician · Marlborough, MA
Rocio Nordfeldt, M.D. is a family medicine physician with a practice address in Marlborough, Massachusetts, and NPI 1043530033, issued on Jun 2, 2010. Check the license (Massachusetts 244963, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Rocio Nordfeldt
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 244963 MA
Self-reported in NPPES; status is on the state search - Practice location
- 640 Bolton St, Marlborough, MA 01752
- Phone
- (508) 481-0200
- Enumerated
- Jun 2, 2010
- Record last updated
- Oct 23, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20141023000871); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,265 in Massachusetts → Look up another NPI →
Also registered at 640 Bolton St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Amrutha Balakrishnan, MDFamily Medicine Physician1043479116
- Shunian He, MDInternal Medicine Physician1740207471
- Edyta Konrad, M.D.Internal Medicine Physician1578677472
Verify Rocio Nordfeldt in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 244963Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
8% more Medicare Part D claims than the average family medicine physician in 2024
3,835 Medicare Part D claims for 257 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 89 claims were for opioids.
Most prescribed
- Atorvastatin Calcium294 claims
- Lisinopril158 claims
- Amlodipine Besylate153 claims
- Levothyroxine Sodium148 claims
- Omeprazole142 claims
- Metoprolol Succinate116 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $20.01
1 payment: food and beverage; the largest payer was Abbvie Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Umass Memorial Medical Group IncWorcester, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Rocio Nordfeldt among 2,265 family medicine physician records in Massachusetts
Rocio Nordfeldt, M.D. is one of 2,265 family medicine physician records with a practice address in Massachusetts. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 61% of them.
- NPI issued2010 · 61% of these records are older, 37% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2005 · median 2006 among the 1,529 with a school on file
- Record last updated2020 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Family Medicine Physician providers in Massachusetts
There are 2,265 family medicine physician records in Massachusetts.
All 2,265 in Massachusetts → Every provider in Marlborough → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Amrutha Balakrishnan, MDMarlborough, MA 017521043479116
- Wendy Gomez, PAMarlborough, MA 017521922714476
- Anupreet Oberoi, M.DMarlborough, MA 017521881850816
- Julie Ozaydin, M.D.Marlborough, MA 017521922083849
- Gilberto Sustache, M.D.Marlborough, MA 017521205898509
- Judy WangMarlborough, MA 017521013478262
- Angela Esquibel, MDHopkinton, MA 017481518341403
- Patty-Ann Krajewski, M.D.Hopkinton, MA 017481366451734
Common questions
What is Rocio Nordfeldt, M.D.'s NPI number?
Rocio Nordfeldt, M.D.'s National Provider Identifier (NPI) is 1043530033, issued on Jun 2, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Rocio Nordfeldt, M.D. located?
The NPPES record lists a practice address at 640 Bolton St, Marlborough, MA, 01752. Phone: (508) 481-0200. Providers update this record themselves, so call before visiting.
How can I verify Rocio Nordfeldt, M.D.'s license?
NPPES lists Massachusetts license number 244963, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Rocio Nordfeldt, M.D. prescribe under Medicare Part D?
In 2024, Rocio Nordfeldt, M.D. had 3,835 Medicare Part D claims for 257 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.