Ralph W. Stafford, MD
Nephrology Physician · Chattanooga, TN
Ralph W. Stafford, MD is a nephrology physician with a practice address in Chattanooga, Tennessee, and NPI 1972596013, issued on Aug 24, 2005. Check the license (Tennessee 36772, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Ralph W. Stafford
- Credential
- MD
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License numbers
- 36772 TN
058510 GA
Self-reported in NPPES; status is on the state search - Practice location
- 251 N Lyerly St, Chattanooga, TN 37404
- Phone
- (423) 826-8000
- Enumerated
- Aug 24, 2005
- Record last updated
- May 28, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (423) 702-7915
- Medicaid ID
- 3878187 TN
- Medicare enrollment
- Enrolled (PECOS I20040427000488); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 266 in Tennessee → Look up another NPI →
Also registered at 251 N Lyerly St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Prince Aryeetey, M.DNephrology Physician1083024038
- Linda Bakker, CNMAdvanced Practice Midwife1336520709
- Amy Coggin, FNPFamily Nurse Practitioner1356749881
- Lindsay Crawford, MDNephrology Physician1770707705
- Karrie Davis, NPNurse Practitioner1205800398
- Donald Franklin, M.D.Nephrology Physician1053319343
Verify Ralph W. Stafford in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license 36772Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
36% fewer Medicare Part D claims than the average nephrology physician in 2024
934 Medicare Part D claims for 175 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.
Most prescribed
- Furosemide126 claims
- Carvedilol87 claims
- Amlodipine Besylate71 claims
- Hydralazine Hcl58 claims
- Potassium Chloride43 claims
- Prednisone43 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): 76.3 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).
Industry payments in 2024: $156.69
8 payments; by number, the most common kind was food and beverage; the largest payer was Calliditas Therapeutics US 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.
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
- Yium, Shenouda And Miller PtrshpChattanooga, TN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ralph W. Stafford among 266 nephrology physician records in Tennessee
Ralph W. Stafford, MD is one of 266 nephrology physician records with a practice address in Tennessee. 79% 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, 77% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated1999 · median 2002 among the 186 with a school on file
- Record last updated2010 · 44% 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 Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nephrology Physician providers in Tennessee
There are 266 nephrology physician records in Tennessee.
All 266 in Tennessee → Every provider in Chattanooga → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Nathan Chamberlain, M.D.Chattanooga, TN 374041134126246
- Donald Franklin, M.D.Chattanooga, TN 374041053319343
- Claude Galphin, MDChattanooga, TN 374041700883816
- Stuart Ginther, M.D.Chattanooga, TN 374041194776799
- Mandeep Grewal, MDChattanooga, TN 374041447256862
- Rohit Gupta, M.D.Chattanooga, TN 374041386641496
- Brant Holt, MDChattanooga, TN 374041437123528
- John McCarley, M.D.Chattanooga, TN 374041760480321
Common questions
What is Ralph W. Stafford, MD's NPI number?
Ralph W. Stafford, MD's National Provider Identifier (NPI) is 1972596013, issued on Aug 24, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Ralph W. Stafford, MD located?
The NPPES record lists a practice address at 251 N Lyerly St, Chattanooga, TN, 37404. Phone: (423) 826-8000. Providers update this record themselves, so call before visiting.
How can I verify Ralph W. Stafford, MD's license?
NPPES lists Tennessee license number 36772, as entered by the provider. Search the Tennessee Board of Medical Examiners at https://www.tn.gov/health/licensure/me.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ralph W. Stafford, MD prescribe under Medicare Part D?
In 2024, Ralph W. Stafford, MD had 934 Medicare Part D claims for 175 beneficiaries; the average among nephrology physician prescribers was 1,465. Part D covers Medicare prescriptions only.
What is Ralph W. Stafford, MD's MIPS final score?
The 2023 MIPS final score is 76.3 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.