NPPES file of Aug 9, 2026

William A. Nish, M.D.

Allergy & Immunology Physician · Gainesville, GA

William A. Nish, M.D. is an allergy & immunology physician with a practice address in Gainesville, Georgia, and NPI 1821097643, issued on Jul 14, 2005. Check the license (Georgia 031804, as entered in NPPES) on the Georgia Composite Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1821097643
Name
William A. Nish
Credential
M.D.
Primary taxonomy
Allergy & Immunology Physician 207K00000X
License numbers
031804 GA
03180 GA
Self-reported in NPPES; status is on the state search
Practice location
2510 Limestone Pkwy, Gainesville, GA 30501
Phone
(770) 534-9933
Enumerated
Jul 14, 2005
Record last updated
Oct 7, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(770) 534-8999
Medicaid ID
00606559E GA
Medicare enrollment
Enrolled (PECOS I20120125000210); accepts Medicare assignment
Medical or professional school
Medical College Of Georgia School Of Medicine, 1986
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.
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Also registered at 2510 Limestone Pkwy

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

  1. Faria Khan, M.D.Allergy & Immunology Physician1548212087
  2. Susan Oliver, FNPNurse Practitioner1669502522
  3. Kimberley Shanks, M.DAllergy & Immunology Physician1508887621
  4. Lauren Tamplin, FNPFamily Nurse Practitioner1700882446

Verify William A. Nish in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersGeorgia Composite Medical Board
    Search for license 031804
    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 Georgia 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.

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2.5 times the Medicare Part D claims of the average allergy & immunology physician in 2024

1,860 Medicare Part D claims for 364 beneficiaries, against an average of 741 among the 2,899 providers of this specialty who prescribed in Part D. Brand-name drugs were 46% of claims.

  1. William Nish1,860
  2. Specialty average741

Most prescribed

  1. Trelegy Ellipta245 claims
  2. Montelukast Sodium139 claims
  3. Albuterol Sulfate Hfa123 claims
  4. Famotidine107 claims
  5. Fluticasone-Salmeterol101 claims
  6. Fluticasone Propionate97 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): 82.6 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.

  1. Qualityout of 100 · 30% of the final score81.1
  2. Costout of 100 · 30%60.7
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $1,710.05

68 payments; by number, the most common kind was food and beverage; the largest payer was Genzyme Corporation. The 2,496 providers of this specialty with any payment received $8,321.81 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. William Nish$1,710.05
  2. Specialty average$8,321.81

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

  1. Northeast Georgia Physicians Group IncGainesville, GA

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

William A. Nish among 107 allergy & immunology physician records in Georgia

William A. Nish, M.D. is one of 107 allergy & immunology physician records with a practice address in Georgia. 85% 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, 90% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileYes · 70% of these records are
  • Graduated1986 · median 1999 among the 75 with a school on file
  • Record last updated2020 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207K00000X and a Georgia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Allergy & Immunology Physician providers in Georgia

There are 107 allergy & immunology physician records in Georgia.

The 8 allergy & immunology physician records with the nearest ZIP codes

  1. Ronald Beebe, MDGainesville, GA 305011760445852
  2. Amy Boyd, M.D.Gainesville, GA 305011801099890
  3. Faria Khan, M.D.Gainesville, GA 305011548212087
  4. Michael Maloney, M.D.Gainesville, GA 305011912901844
  5. Kimberley Shanks, M.DGainesville, GA 305011508887621
  6. Anthony Deutsch, M.D.Athens, GA 306061457357139
  7. Dean Firschein, M. D.Athens, GA 306061336139765
  8. Loren Hunt, M.D.Athens, GA 306061346246071

Common questions

What is William A. Nish, M.D.'s NPI number?

William A. Nish, M.D.'s National Provider Identifier (NPI) is 1821097643, issued on Jul 14, 2005. An NPI identifies a provider in billing; it is not a license.

Where is William A. Nish, M.D. located?

The NPPES record lists a practice address at 2510 Limestone Pkwy, Gainesville, GA, 30501. Phone: (770) 534-9933. Providers update this record themselves, so call before visiting.

How can I verify William A. Nish, M.D.'s license?

NPPES lists Georgia license number 031804, as entered by the provider. Search the Georgia Composite Medical Board at https://medicalboard.georgia.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does William A. Nish, M.D. prescribe under Medicare Part D?

In 2024, William A. Nish, M.D. had 1,860 Medicare Part D claims for 364 beneficiaries; the average among allergy & immunology physician prescribers was 741. Part D covers Medicare prescriptions only.

What is William A. Nish, M.D.'s MIPS final score?

The 2023 MIPS final score is 82.6 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.