NPPES file of Aug 9, 2026

Steven M. Spiegel, M.D.

Nephrology Physician · Natick, MA

Steven M. Spiegel, M.D. is a nephrology physician with a practice address in Natick, Massachusetts, and NPI 1669538591, issued on Dec 28, 2006. Check the license (Massachusetts 216588, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1669538591
Name
Steven M. Spiegel
Credential
M.D.
Primary taxonomy
Nephrology Physician 207RN0300X
License number
216588 MA
Self-reported in NPPES; status is on the state search
Practice location
67 Union St, Natick, MA 01760
Phone
(508) 650-7890
Enumerated
Dec 28, 2006
Record last updated
Apr 8, 2011 (not updated in 15 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20090113000265); accepts Medicare assignment
Medical or professional school
State University Of New York At Stony Brook, School Of Medicine, 1998
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 67 Union St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Johanne Agne, NPAdult Health Nurse Practitioner1710022496
  2. Susan Almy, NPNurse Practitioner1598945594
  3. Lisa Ayles, ATCAthletic Trainer1508827957
  4. Stephen Belmonte, M.D.Ophthalmology Physician1942249834
  5. Robert Berkowitz, M.D.Psychiatry Physician1538183504
  6. Kristen Bernstein, NPFamily Nurse Practitioner1205948676

Verify Steven M. Spiegel in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
    Search for license 216588
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Massachusetts license search

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55% more Medicare Part D claims than the average nephrology physician in 2024

2,274 Medicare Part D claims for 366 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. 32 claims were for opioids.

  1. Steven Spiegel2,274
  2. Specialty average1,465

Most prescribed

  1. Sevelamer Carbonate197 claims
  2. Amlodipine Besylate171 claims
  3. Lisinopril168 claims
  4. Allopurinol131 claims
  5. Farxiga106 claims
  6. Calcitriol81 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: $220.70

21 payments; by number, the most common kind was education; the largest payer was Travere Therapeutics, Inc. The 8,230 providers of this specialty with any payment received $3,091.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Steven Spiegel$220.70
  2. Specialty average$3,091.37

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

  1. NE Nephrology Home Care AssociatesNatick, MA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Nephrology Physician providers in Massachusetts

There are 417 nephrology physician records in Massachusetts.

Other nephrology physician records in Massachusetts

  1. Amtul Aala, MDBoston, MA1174946347
  2. Reza Abdi, MDBoston, MA1356359368
  3. Marat Abdullin, M.D.Springfield, MA1619159712
  4. Vivian AbernethyBoston, MA1710960232
  5. Rekha Abichandani, M.D.Cambridge, MA1912033598
  6. Konstantin Abramov, M.D.Worcester, MA1992854707
  7. Krishna Agarwal, M.B.B.S.Springfield, MA1477916120
  8. Nikhil AgrawalBoston, MA1467722579
  9. Ayman Al Jurdi, M.D.Boston, MA1043690332
  10. Laith Al Rabadi, M.D.Boston, MA1821309188

Common questions

What is Steven M. Spiegel, M.D.'s NPI number?

Steven M. Spiegel, M.D.'s National Provider Identifier (NPI) is 1669538591, issued on Dec 28, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Steven M. Spiegel, M.D. located?

The NPPES record lists a practice address at 67 Union St, Natick, MA, 01760. Phone: (508) 650-7890. Providers update this record themselves, so call before visiting.

How can I verify Steven M. Spiegel, M.D.'s license?

NPPES lists Massachusetts license number 216588, 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 Steven M. Spiegel, M.D. prescribe under Medicare Part D?

In 2024, Steven M. Spiegel, M.D. had 2,274 Medicare Part D claims for 366 beneficiaries; the average among nephrology physician prescribers was 1,465. 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.