David S. Friedenberg, D.O.
Nephrology Physician · Manchester, NH
David S. Friedenberg, D.O. is a nephrology physician with a practice address in Manchester, New Hampshire, and NPI 1710975016, issued on Oct 11, 2005. Check the license (New Hampshire 7869, as entered in NPPES) on the New Hampshire Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- David S. Friedenberg
- Credential
- D.O.
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- 7869 NH
Self-reported in NPPES; status is on the state search - Practice location
- 1750 Elm Street, Manchester, NH 03104
- Phone
- (603) 641-5800
- Enumerated
- Oct 11, 2005
- Record last updated
- Sep 19, 2012 (not updated in 14 years: call before relying on the address or phone)
- Medicaid ID
- 30005200 NH
- Medicare enrollment
- Enrolled (PECOS I20050913000153); accepts Medicare assignment
- Medical or professional school
- Philadelphia College Of Osteopathic Medicine, 1980
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 37 in New Hampshire → Look up another NPI →
Also registered at 1750 Elm Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Peter Cheung, M.D.Nephrology Physician1861480162
- John Patrick Sia, MDNephrology Physician1255597464
Verify David S. Friedenberg in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Hampshire Board of Medicine
Search for license 7869Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
11% fewer Medicare Part D claims than the average nephrology physician in 2024
1,311 Medicare Part D claims for 239 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.
Most prescribed
- Chlorthalidone172 claims
- Calcitriol135 claims
- Spironolactone92 claims
- Labetalol Hcl83 claims
- Metoprolol Succinate62 claims
- Jardiance60 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 87.8 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Nephrology Associates, P. A.Manchester, NH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
David S. Friedenberg among 37 nephrology physician records in New Hampshire
David S. Friedenberg, D.O. is one of 37 nephrology physician records with a practice address in New Hampshire. 89% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 76% newer
- In a Medicare fileYes · 89% of these records are
- In the CMS Doctors and Clinicians fileYes · 84% of these records are
- Graduated1980 · median 2001 among the 31 with a school on file
- Record last updated2012 · 73% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a New Hampshire practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nephrology Physician providers in New Hampshire
There are 37 nephrology physician records in New Hampshire.
All 37 in New Hampshire → Every provider in Manchester → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Peter Cheung, M.D.Manchester, NH 031041861480162
- John Patrick Sia, MDManchester, NH 031041255597464
- Marilena Caldarusa, M.D.Manchester, NH 031021689899270
- Kevin Meyer, MDManchester, NH 031021154450310
- Ana Stankovic, MD FACP FASN FASHSalem, NH 030791992794515
- Sean Fitzpatrick, MDNashua, NH 030601831269299
- Siddharth Mehta, M.DNashua, NH 030601104318617
- Jill Melendez Young, MDNashua, NH 030601184628158
Common questions
What is David S. Friedenberg, D.O.'s NPI number?
David S. Friedenberg, D.O.'s National Provider Identifier (NPI) is 1710975016, issued on Oct 11, 2005. An NPI identifies a provider in billing; it is not a license.
Where is David S. Friedenberg, D.O. located?
The NPPES record lists a practice address at 1750 Elm Street, Manchester, NH, 03104. Phone: (603) 641-5800. Providers update this record themselves, so call before visiting.
How can I verify David S. Friedenberg, D.O.'s license?
NPPES lists New Hampshire license number 7869, as entered by the provider. Search the New Hampshire Board of Medicine at https://www.oplc.nh.gov/board-medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does David S. Friedenberg, D.O. prescribe under Medicare Part D?
In 2024, David S. Friedenberg, D.O. had 1,311 Medicare Part D claims for 239 beneficiaries; the average among nephrology physician prescribers was 1,465. Part D covers Medicare prescriptions only.
What is David S. Friedenberg, D.O.'s MIPS final score?
The 2023 MIPS final score is 87.8 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.