DR. MELISSA RAY ISBELL MD
NPI 1881660660
Internal Medicine - Nephrology in San Antonio, TX

Active since February 23, 2006PECOS EnrolledAccepts Medicare Assignment
4458 MEDICAL DR STE 205, SAN ANTONIO, TX 78229(210) 614-1515(210) 615-6904 Get Directions Write a Review

NPPES record last updated: January 4, 2019. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Melissa Ray Isbell Md NPPES

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

DR. MELISSA RAY ISBELL MD (NPI 1881660660) is an individual nephrology provider in San Antonio, Texas, licensed in Texas (H9526) and active in the NPI registry since February 2006. She is enrolled in Medicare PECOS, is affiliated with Baptist Medical Center, and maintains a secondary practice location in San Antonio.

NPPES Registry Identity

NPI1881660660
Entity TypeIndividualFemale
Primary Taxonomy207RN0300X
Provider Legal NameDR. MELISSA RAY ISBELLCredential: MD
Location Address4458 MEDICAL DR STE 205San Antonio, TX 78229-3748
Mailing Address16620 N Us Highway 281, Ste 300San Antonio, TX 78232-2327 · (210) 614-1231 · Fax (210) 616-0704
Fax(210) 615-6904
Sole ProprietorNo
Medical School CMSOtherGraduated 1990
Enumeration DateFebruary 23, 2006
Last NPPES UpdateJanuary 4, 2019
NPI 1881660660 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 TX · H9526
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.
4458 MEDICAL DR STE 205, San Antonio, TX 78229

Secondary Practice Location 1

Location 15131 Medical Dr, Ste 120San Antonio, TX 78229-5062 · Phone (210) 614-1515 · Fax (210) 615-6904

Other Identifiers 1

Medicaid105665701TX

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Melissa Ray Isbell Md 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 ID5496829970
PECOS Enrollment IDI20100129000634
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.

Areas of Expertise CMS Part B claims 21

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.

Injection, epoetin alfa, (for non-esrd use), 1000 units J0885
Epoetin alfa is a medication injected to help your body produce more red blood cells, improving energy levels and reducing tiredness. It's often used for patients with certain types of anemia. Each injection contains 1000 units of the medicine.
1,038 services26 patients
Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 99490
Chronic care management services involve a healthcare professional directing clinical staff in managing your chronic conditions. This includes the first 20 minutes per month of services like medication management, care coordination, and health monitoring to help improve your health and quality of life.
647 services98 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
639 services150 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.
572 services246 patients
Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month 99439
Chronic Care Management services involve regular check-ins with healthcare professionals to manage two or more chronic conditions. It includes an additional 20 minutes of clinical staff time per month, directed by a healthcare professional, to ensure optimal health management.
346 services92 patients
Management using the results of remote vital sign monitoring per calendar month, each additional 20 minutes 99458
This service involves analyzing your vital signs, like heart rate and blood pressure, remotely collected over a month. Each additional 20 minutes spent on management refers to extra time spent reviewing, interpreting your data, and planning your care. It's a critical part of ensuring your wellbeing.
274 services13 patients

Hospital Affiliations CMS Care Compare 2

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

Baptist Medical Center

Acute Care Hospitals · San Antonio, TX
4/5 CMS rating
OwnershipProprietary
CMS Certification Number450058
Location111 Dallas StreetSan Antonio, TX 78205 · Bexar County
Emergency services Birthing friendly

Methodist Hospital

Acute Care Hospitals · San Antonio, TX
4/5 CMS rating
OwnershipProprietary
CMS Certification Number450388
Location7700 Floyd Curl DrSan Antonio, TX 78229 · Bexar County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78229 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
$126.40 typical visit price
range $54.84 – $166.88
Typical copayment $31.60 (range $13.71 – $41.72)
Most-billed visit code 99204
Established Patient
$97.05 typical visit price
range $17.52 – $136.11
Typical copayment $24.26 (range $4.38 – $34.02)
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.

Referred Medical Equipment & Supplies CMS DME claims 7

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

Tacrolimus, extended release, (envarsus xr), oral, 0.25 mg J7503
Treatment-Chemotherapy · category RH002N
6 suppliers52 claims36,120 services$1.20 avg. paid by Medicare
Tacrolimus, immediate release, oral, 1 mg J7507
Treatment-Treatment - Miscellaneous · category RX029N
20 suppliers333 claims59,130 services$0.31 avg. paid by Medicare
Prednisone, immediate release or delayed release, oral, 1 mg J7512
Treatment-Treatment - Miscellaneous · category RX029N
5 suppliers40 claims6,995 services$0.01 avg. paid by Medicare
Cyclosporine, oral, 25 mg J7515
Treatment-Treatment - Miscellaneous · category RX029N
2 suppliers26 claims5,640 services$0.59 avg. paid by Medicare
Mycophenolate mofetil, oral, 250 mg J7517
Treatment-Treatment - Miscellaneous · category RX029N
18 suppliers319 claims45,724 services$0.19 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
21 suppliers341 claims341 services$18.42 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 11

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

Nurse Practitioner
4458 MEDICAL DR STE 205
SAN ANTONIO, TX 78229
Internal Medicine (Nephrology)
4458 MEDICAL DR STE 205
SAN ANTONIO, TX 78229
Internal Medicine (Nephrology)
4458 MEDICAL DR STE 205
SAN ANTONIO, TX 78229
Internal Medicine (Nephrology)
4458 MEDICAL DR STE 205
SAN ANTONIO, TX 78229
Internal Medicine (Nephrology)
4458 MEDICAL DR STE 205
SAN ANTONIO, TX 78229
Internal Medicine (Nephrology)
4458 MEDICAL DR STE 205
SAN ANTONIO, TX 78229
Internal Medicine (Nephrology)
4458 MEDICAL DR STE 205
SAN ANTONIO, TX 78229
Internal Medicine (Nephrology)
4458 MEDICAL DR STE 205
SAN ANTONIO, TX 78229

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 Melissa Isbell's NPI number?

The NPI number for Melissa Isbell is 1881660660. It was assigned to this individual provider in the NPPES registry on February 23, 2006.

Where is Melissa Isbell located?

Melissa Isbell practices at 4458 Medical Dr Ste 205, San Antonio, TX 78229. The listed phone number is (210) 614-1515.

What is Melissa Isbell's specialty?

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

Is Melissa Isbell enrolled in Medicare?

Yes. Melissa Isbell 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.

What insurance does Melissa Isbell accept?

Health plans from Baylor Scott and White Health Plan, Blue Cross and Blue Shield of Texas, CHRISTUS Health Plan, Molina Healthcare and Oscar Insurance Company and 2 other insurers list Melissa Isbell 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 Melissa Isbell affiliated with any hospitals?

According to CMS data, Melissa Isbell is affiliated with Baptist Medical Center and Methodist Hospital.

When was this NPI record last updated?

The NPPES record for Melissa Isbell was last updated on January 4, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.