Robert Stephen Fredericks, MD
Endocrinology, Diabetes & Metabolism Physician · Reno, NV
Robert Stephen Fredericks, MD is an endocrinology, diabetes & metabolism physician with a practice address in Reno, Nevada, and NPI 1336156546, issued on Aug 1, 2006. Check the license (Nevada 4014, as entered in NPPES) on the Nevada State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Robert Stephen Fredericks
- Credential
- MD
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- 4014 NV
Self-reported in NPPES; status is on the state search - Practice location
- 540 W Plumb LN, Reno, NV 89509
- Phone
- (775) 348-1811
- Enumerated
- Aug 1, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (775) 348-7139
- Medicare enrollment
- Enrolled (PECOS I20040528000681); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 77 in Nevada → Look up another NPI →
Also registered at 540 W Plumb LN
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Katherine Martin, LCSWMental Health Counselor1467481895
- Robert Rosenquist, M.D.Endocrinology, Diabetes & Metabolism Physician1871655092
- Linda Smith, APNAdult Health Clinical Nurse Specialist1760499909
Verify Robert Stephen Fredericks in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNevada State Board of Medical Examiners
Search for license 4014Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.2 times the Medicare Part D claims of the average endocrinology, diabetes & metabolism physician in 2024
5,704 Medicare Part D claims for 423 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 29% of claims. 113 claims were for opioids.
Most prescribed
- Liothyronine Sodium432 claims
- Levothyroxine Sodium344 claims
- Synthroid219 claims
- Calcitonin-Salmon217 claims
- Jardiance180 claims
- Pioglitazone Hcl155 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 MIPS final score for 2023 (Medicare payment program): 15.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $580.10
20 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. The 5,661 providers of this specialty with any payment received $5,742.15 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.
Robert Stephen Fredericks among 77 endocrinology, diabetes & metabolism physician records in Nevada
Robert Stephen Fredericks, MD is one of 77 endocrinology, diabetes & metabolism physician records with a practice address in Nevada. 90% 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, 56% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated1975 · median 2004 among the 50 with a school on file
- Record last updated2007 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a Nevada practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in Nevada
There are 77 endocrinology, diabetes & metabolism physician records in Nevada.
All 77 in Nevada → Every provider in Reno → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Claude Lardinois, MDReno, NV 895091689686677
- Robert Rosenquist, M.D.Reno, NV 895091871655092
- Lisa Abbott, MDReno, NV 895111609883701
- Nitesh Kuhadiya, M.D; MPHReno, NV 895111588901359
- Sarah MoatsReno, NV 895111457703985
- Daniel Caruso, MDReno, NV 895021558378778
- Carol Cheney, MDReno, NV 895021891779039
- Eloy Ituarte, M.D.Reno, NV 895021982633194
Common questions
What is Robert Stephen Fredericks, MD's NPI number?
Robert Stephen Fredericks, MD's National Provider Identifier (NPI) is 1336156546, issued on Aug 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Robert Stephen Fredericks, MD located?
The NPPES record lists a practice address at 540 W Plumb LN, Reno, NV, 89509. Phone: (775) 348-1811. Providers update this record themselves, so call before visiting.
How can I verify Robert Stephen Fredericks, MD's license?
NPPES lists Nevada license number 4014, as entered by the provider. Search the Nevada State Board of Medical Examiners at https://medboard.nv.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Robert Stephen Fredericks, MD prescribe under Medicare Part D?
In 2024, Robert Stephen Fredericks, MD had 5,704 Medicare Part D claims for 423 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.
What is Robert Stephen Fredericks, MD's MIPS final score?
The 2023 MIPS final score is 15.1 of 100. 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.