Melissa Isbell, MD
Nephrology Physician · San Antonio, TX
Melissa Isbell, MD is a nephrology physician with a practice address in San Antonio, Texas, and NPI 1881660660, issued on Feb 23, 2006. Check the license on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Melissa Isbell
- Credential
- MD
- Primary taxonomy
- Nephrology Physician 207RN0300X
- Practice location
- 4458 Medical Dr Ste 205, San Antonio, TX 78229
- Phone
- (210) 614-1515
- Enumerated
- Feb 23, 2006
- Entity
- Type 1 · individual
Also registered at 4458 Medical Dr Ste 205
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Fadi Abouzahr, MDNephrology Physician1982695896
- Iliana Cardona Orellana, M.D.Nephrology Physician1538475983
- Iliana Fred-Miranda, MDNephrology Physician1851366785
- Parmish Kohli, M.D.Nephrology Physician1639308406
- Paraic Mulgrew, MDNephrology Physician1730155755
- Carolyn Payne, NPGerontology Nurse Practitioner1245826486
Verify Melissa Isbell in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical BoardCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
3.3 times the Medicare Part D claims of the average nephrology physician in 2024
4,930 Medicare Part D claims for 485 beneficiaries, against an average of 1,511 among the 8,473 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims. 64 claims were for opioids.
Most prescribed
- Farxiga195 claims
- Allopurinol188 claims
- Carvedilol185 claims
- Amlodipine Besylate174 claims
- Furosemide174 claims
- Losartan Potassium156 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.
Industry payments in 2024: $2,775.47
101 payments, mostly food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 6,365 providers of this specialty with any payment received $3,068.36 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.
One hospital or facility affiliation
- Renal Associates, P.A.San Antonio, TX
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Nephrology Physician providers in Texas
There are 896 nephrology physician records in Texas.
Other nephrology physician records in Texas
- Bernardino Abaya, M.D.Houston, TX1740262013
- Aisha Abbasi, MDConroe, TX1942837570
- Mohammed Abdulaziz, MDLaredo, TX1881009215
- Mai Abouelsaad, M.D.Houston, TX1790168086
- Fadi Abouzahr, MDSan Antonio, TX1982695896
- Koshy Abraham, MDFort Worth, TX1780658559
- Ala Abudayyeh, MDHouston, TX1114008513
- Vinay AcharyaMcKinney, TX1720465743
- Katafan Achkar, MDWebster, TX1063413235
- Sailaja Adari, MDDallas, TX1750532115
Common questions
What is Melissa Isbell, MD's NPI number?
Melissa Isbell, MD's National Provider Identifier (NPI) is 1881660660, issued on Feb 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Melissa Isbell, MD located?
The NPPES record lists a practice address at 4458 Medical Dr Ste 205, San Antonio, TX, 78229. Phone: (210) 614-1515. Providers update this record themselves, so call before visiting.
How can I verify Melissa Isbell, MD's license?
Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Melissa Isbell, MD prescribe under Medicare Part D?
In 2024, Melissa Isbell, MD had 4,930 Medicare Part D claims for 485 beneficiaries; the average among nephrology physician prescribers was 1,511. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.