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DR. DAVID S FRIEDENBERG D.O.
NPI 1710975016
Internal Medicine - Nephrology in Manchester, NH

Active since October 11, 2005PECOS EnrolledAccepts Medicare Assignment
87.84/100
CMS Quality Rating
1750 ELM STREET, SUITE 201C, MANCHESTER, NH 03104(603) 641-5800 Get Directions Write a Review

NPPES record last updated: September 19, 2012. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. David S Friedenberg D.o. NPPES

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

DR. DAVID S FRIEDENBERG D.O. (NPI 1710975016) is an individual nephrology provider in Manchester, New Hampshire, licensed in New Hampshire (7869) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS, is affiliated with Concord Hospital, and is a graduate of Philadelphia College Of Osteopathic Medicine (1980).

NPPES Registry Identity

NPI1710975016
Entity TypeIndividualMale
Primary Taxonomy207RN0300X
Provider Legal NameDR. DAVID S FRIEDENBERGCredential: D.O.
Location Address1750 ELM STREET, SUITE 201CManchester, NH 03104-2903
Mailing Address1750 Elm Street, Suite 201cManchester, NH 03104-2903 · (603) 641-5800
Phone(603) 641-5800
Sole ProprietorNo
Medical School CMSPhiladelphia College Of Osteopathic MedicineGraduated 1980
Enumeration DateOctober 11, 2005
Last NPPES UpdateSeptember 19, 2012
✔ NPI 1710975016 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians
Taxonomy Code207RN0300X
License✔ Licensed in NH · 7869
Definition
An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.
1750 ELM STREET, Manchester, NH 03104
Open in Google Maps ↗

Other Identifiers 5

Medicare ID-Type UnspecifiedRE0038NH
Other10395NH · Harvard Pilgrim
Medicare UPINE52614NH
Other0407212Y0NH01NH · Anthem
Medicaid30005200NH

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from NH Healthy Families, Anthem Blue Cross and Blue Shield, Harvard Pilgrim Health Care and more.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

Dr. David S Friedenberg D.o. 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 ID4385677236
PECOS Enrollment IDI20050913000153
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 Reassignment

Medicare enrollment records show David Friedenberg reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Nephrology Associates, P. A.
Same address
Nephrology
1750 ELM ST, SUITE 201C
Manchester, NH 03104
  • Reassigned Medicare billing, New Hampshire enrollment
  • 5 clinicians in this Medicare group
NPI 1073630752 (603) 641-5800

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 10

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.

Dialysis services, 4 or more physician visits per month (20 years or older) 90960
Dialysis is a treatment that filters and purifies your blood using a machine. It helps keep your fluids and electrolytes in balance when the kidneys can't do their job. This service includes 4 or more visits per month with a physician to monitor your health and adjust your treatment as needed.
309 services40 patients
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.
283 services205 patients
Hemodialysis procedure with physician evaluation 90935
Hemodialysis is a treatment that uses a machine to filter waste and excess fluid from your blood when your kidneys can't. A physician checks your health before, during, and after the procedure to ensure it's working effectively for you.
128 services57 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
82 services47 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
57 services57 patients
Manual urinalysis test with examination using microscope, non-automated 81000
A manual urinalysis test involves studying a urine sample under a microscope. This non-automated method helps identify any abnormal substances present. It's a useful tool for detecting potential health concerns early. The process is simple and non-invasive.
50 services50 patients

Hospital Affiliations CMS Care Compare 4

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

Concord Hospital

Acute Care Hospitals · Concord, NH
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number300001
Location250 Pleasant StConcord, NH 03301 · Merrimack County
Birthing friendly

Mary Hitchcock Memorial Hospital

Acute Care Hospitals · Lebanon, NH
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number300003
Location1 Medical Center DriveLebanon, NH 03756 · Grafton County
Emergency services Birthing friendly

Elliot Hospital

Acute Care Hospitals · Manchester, NH
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number300012
Location1 Elliot WayManchester, NH 03103 · Hillsborough County
Emergency services Birthing friendly

Catholic Medical Center

Acute Care Hospitals · Manchester, NH
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number300034
Location100 Mcgregor StreetManchester, NH 03102 · Hillsborough County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 03104 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
$132.09 typical visit price
range $57.75 – $174.26
Typical copayment $33.02 (range $14.43 – $43.56)
Most-billed visit code 99204
Established Patient
$101.54 typical visit price
range $18.70 – $142.15
Typical copayment $25.38 (range $4.67 – $35.53)
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

87.84/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Improvement Activities40
Cost65.69

Referred Medical Equipment & Supplies CMS DME claims 5

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

Tacrolimus, immediate release, oral, 1 mg J7507
Treatment-Treatment - Miscellaneous · category RX029N
3 suppliers27 claims1,470 services$0.33 avg. paid by Medicare
Mycophenolate mofetil, oral, 250 mg J7517
Treatment-Treatment - Miscellaneous · category RX029N
1 supplier23 claims1,978 services$0.19 avg. paid by Medicare
Mycophenolic acid, oral, 180 mg J7518
Treatment-Treatment - Miscellaneous · category RX029N
1 supplier12 claims1,440 services$0.99 avg. paid by Medicare
Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for the first prescription in a 30-day period Q0511
Treatment-Chemotherapy · category RH012N
3 suppliers25 claims25 services$18.22 avg. paid by Medicare
Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for a subsequent prescription in a 30-day period Q0512
Treatment-Chemotherapy · category RH012N
3 suppliers37 claims37 services$12.62 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 2

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

DR. JOHN PATRICK AGUILAR SIA MD
Internal Medicine (Nephrology)
1750 ELM STREET, SUITE 201C
MANCHESTER, NH 03104
Hillsborough County (603) 621-2948
DR. PETER T CHEUNG M.D.
Internal Medicine (Nephrology)
1750 ELM STREET, SUITE 201C
MANCHESTER, NH 03104
Hillsborough County (603) 641-5800

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 David Friedenberg's NPI number?

The NPI number for David Friedenberg is 1710975016. It was assigned to this individual provider in the NPPES registry on October 11, 2005.

Where is David Friedenberg located?

David Friedenberg practices at 1750 Elm Street Suite 201C, Manchester, NH 03104. The listed phone number is (603) 641-5800.

What is David Friedenberg's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Is David Friedenberg enrolled in Medicare?

Yes. David Friedenberg 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 organization bills Medicare for David Friedenberg's services?

According to the CMS Revalidation Reassignment List (October 2026 release), David Friedenberg reassigns Medicare benefits to Nephrology Associates, P. A. (Manchester, NH). The 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 David Friedenberg's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does David Friedenberg accept?

Health plans from Ambetter from NH Healthy Families, Anthem Blue Cross and Blue Shield, Harvard Pilgrim Health Care, Taro Health and WellSense Health Plan list David Friedenberg 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 David Friedenberg affiliated with any hospitals?

According to CMS data, David Friedenberg is affiliated with Concord Hospital, Mary Hitchcock Memorial Hospital, Elliot Hospital and Catholic Medical Center.

When was this NPI record last updated?

The NPPES record for David Friedenberg was last updated on September 19, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.