David Siegenberg, M.D.
Internal Medicine Physician · Reading, MA
David Siegenberg, M.D. is an internal medicine physician with a practice address in Reading, Massachusetts, and NPI 1578502563, issued on Jun 5, 2006. Check the license (Massachusetts 74850, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- David Siegenberg
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 74850 MA
Self-reported in NPPES; status is on the state search - Practice location
- 30 Newcrossing RD, Reading, MA 01867
- Phone
- (781) 944-1166
- Enumerated
- Jun 5, 2006
- Record last updated
- Sep 15, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (781) 944-1168
- Medicare enrollment
- Enrolled (PECOS I20050427000247); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 6,825 in Massachusetts → Look up another NPI →
Also registered at 30 Newcrossing RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Karyl Cargill, CNMAdvanced Practice Midwife1275524571
- Eleanor Haley-Ciulla, NPAdult Health Nurse Practitioner1326014093
- Catherine Santom Murphy, RNPNurse Practitioner1265516298
Verify David Siegenberg in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 74850Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
42% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,838 Medicare Part D claims for 423 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 12 claims were for opioids.
Most prescribed
- Omeprazole228 claims
- Famotidine150 claims
- Lisinopril92 claims
- Atorvastatin Calcium89 claims
- Metoprolol Succinate67 claims
- Amlodipine Besylate52 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.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $972.53
36 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Biotech, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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
- David Siegenberg MD PCReading, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
David Siegenberg among 6,825 internal medicine physician records in Massachusetts
David Siegenberg, M.D. is one of 6,825 internal medicine physician records with a practice address in Massachusetts. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 12% of them.
- NPI issued2006 · 12% of these records are older, 54% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1986 · median 2004 among the 4,103 with a school on file
- Record last updated2011 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
9 internal medicine physician records list a practice address in Reading
They are 9 of the 333 NPPES records with a practice address in Reading, and 6,825 internal medicine physician records in Massachusetts.
All 6,825 in Massachusetts → Every provider in Reading → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Michael Bresnahan, MDReading, MA 018671255405973
- Brian Casserly, MDReading, MA 018671366516080
- Lina Feldman, MDReading, MA 018671801877634
- Lily Narusevicius, MDReading, MA 018671053488692
- Joseph Taylor, MDReading, MA 018671902970627
- Xiaohui Wang, M.D. PHD.Reading, MA 018671982862967
- Natalia Yurkovetsky, MDReading, MA 018671750394581
- Anna Zlotina, M.D.Reading, MA 018671497762322
Common questions
What is David Siegenberg, M.D.'s NPI number?
David Siegenberg, M.D.'s National Provider Identifier (NPI) is 1578502563, issued on Jun 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is David Siegenberg, M.D. located?
The NPPES record lists a practice address at 30 Newcrossing RD, Reading, MA, 01867. Phone: (781) 944-1166. Providers update this record themselves, so call before visiting.
How can I verify David Siegenberg, M.D.'s license?
NPPES lists Massachusetts license number 74850, 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 David Siegenberg, M.D. prescribe under Medicare Part D?
In 2024, David Siegenberg, M.D. had 1,838 Medicare Part D claims for 423 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is David Siegenberg, M.D.'s MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
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.