NPPES file of Aug 9, 2026

Margaret Colleen Hastings, MD

Pediatric Nephrology Physician · Memphis, TN

Margaret Colleen Hastings, MD is a pediatric nephrology physician with a practice address in Memphis, Tennessee, and NPI 1174544811, issued on Jul 21, 2006. Check the license (Tennessee 37697, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1174544811
Name
Margaret Colleen Hastings
Credential
MD
Primary taxonomy
Pediatric Nephrology Physician 2080P0210X
License number
37697 TN
Self-reported in NPPES; status is on the state search
Practice location
1325 Eastmoreland Ave Ste 445, Memphis, TN 38104
Phone
(901) 866-8810
Enumerated
Jul 21, 2006
Record last updated
Feb 26, 2025
Fax
(901) 302-2450
Medicaid IDs
1174544811 MO
154262001 AR
09235864 MS
1504965 TN
Medicare enrollment
Enrolled (PECOS I20040626000117); accepts Medicare assignment
Medical or professional school
University Of Tennessee, Hsc, College Of Medicine, 2000
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 1325 Eastmoreland Ave Ste 445

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Omer Asif Siddiqui, M.D.Nephrology Physician1659577278
  2. Rateesha Bonds, APNFamily Nurse Practitioner1306316997
  3. Robert Canada, MDNephrology Physician1033176250
  4. Paula Decrow, FNPFamily Nurse Practitioner1558771956
  5. Wael HusseinNephrology Physician1104172378
  6. Ahmed Kabeil, MDNephrology Physician1427745975

Verify Margaret Colleen Hastings in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTennessee Board of Medical Examiners
    Search for license 37697
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Tennessee license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

7.5 times the Medicare Part D claims of the average pediatric nephrology physician in 2024

500 Medicare Part D claims for 66 beneficiaries, against an average of 67 among the 387 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.

  1. Margaret Hastings500
  2. Specialty average67

Most prescribed

  1. Amlodipine Besylate53 claims
  2. Losartan Potassium38 claims
  3. Atorvastatin Calcium31 claims
  4. Calcitriol25 claims
  5. Prednisone25 claims
  6. Hydralazine Hcl24 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: $20.34

1 payment: food and beverage; the largest payer was Fresenius USA Marketing, Inc. The 297 providers of this specialty with any payment received $3,704.99 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Margaret Hastings$20.34
  2. Specialty average$3,704.99

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 2 group practices

  1. UT Lebonheur Pediatric Specialists, Inc.Memphis, TN
  2. UT Medical Group IncMemphis, TN

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Margaret Colleen Hastings among 20 pediatric nephrology physician records in Tennessee

Margaret Colleen Hastings, MD is one of 20 pediatric nephrology physician records with a practice address in Tennessee. 70% 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 10% of them.

  • NPI issued2006 · 10% of these records are older, 30% newer
  • In a Medicare fileYes · 70% of these records are
  • In the CMS Doctors and Clinicians fileYes · 55% of these records are
  • Graduated2000 · median 1997 among the 11 with a school on file
  • Record last updated2025 · 45% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080P0210X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pediatric Nephrology Physician providers in Tennessee

There are 20 pediatric nephrology physician records in Tennessee.

The 8 pediatric nephrology physician records with the nearest ZIP codes

  1. James Atherton, M.D.Memphis, TN 381051679746119
  2. John Bissler, MDMemphis, TN 381051265500888
  3. Noel Delos Santos, MDMemphis, TN 381051275533580
  4. Bradley Hyman, D.O.Memphis, TN 381051558892042
  5. Ali Mirza Onder, M.D.Memphis, TN 381051124128996
  6. Yonique Petgrave, M.D.Memphis, TN 381051235545849
  7. Rima Zahr, DOMemphis, TN 381051841503059
  8. Robert Wyatt, MDMemphis, TN 381321912965070

Common questions

What is Margaret Colleen Hastings, MD's NPI number?

Margaret Colleen Hastings, MD's National Provider Identifier (NPI) is 1174544811, issued on Jul 21, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Margaret Colleen Hastings, MD located?

The NPPES record lists a practice address at 1325 Eastmoreland Ave Ste 445, Memphis, TN, 38104. Phone: (901) 866-8810. Providers update this record themselves, so call before visiting.

How can I verify Margaret Colleen Hastings, MD's license?

NPPES lists Tennessee license number 37697, 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 Margaret Colleen Hastings, MD prescribe under Medicare Part D?

In 2024, Margaret Colleen Hastings, MD had 500 Medicare Part D claims for 66 beneficiaries; the average among pediatric nephrology physician prescribers was 67. Part D covers Medicare prescriptions only.

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.