Marc William Cromie, M.D.
Allergy & Immunology Physician · Chattanooga, TN
Marc William Cromie, M.D. is an allergy & immunology physician with a practice address in Chattanooga, Tennessee, and NPI 1083683668, issued on Mar 16, 2006. Check the license (Tennessee MD32158, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Marc William Cromie
- Credential
- M.D.
- Primary taxonomy
- Allergy & Immunology Physician 207K00000X
- License number
- MD32158 TN
Self-reported in NPPES; status is on the state search - Practice location
- 6734 Lee Hwy, Chattanooga, TN 37421
- Phone
- (423) 899-0431
- Enumerated
- Mar 16, 2006
- Record last updated
- Apr 22, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (423) 499-9552
- Medicaid ID
- 3851119 TN
- Medicare enrollment
- Enrolled (PECOS I20110118001327); accepts Medicare assignment
- Medical or professional school
- Medical College Of Georgia School Of Medicine, 1996
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest allergy & immunology physician records → All 85 in Tennessee → Look up another NPI →
Also registered at 6734 Lee Hwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Donna Bearden, FNP-BCFamily Nurse Practitioner1245589514
- Shandra BurnettFamily Nurse Practitioner1609278365
- Brittany Hamby, FNPFamily Nurse Practitioner1023325180
- Teri Hayes, APN, NP-CFamily Nurse Practitioner1528290137
- Honor Hightshue, FNPNurse Practitioner1578765772
- Hyman Kaplan, M.D.Allergy & Immunology Physician1356310932
Verify Marc William Cromie in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license MD32158Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
9.7 times the Medicare Part D claims of the average allergy & immunology physician in 2024
7,169 Medicare Part D claims for 1,284 beneficiaries, against an average of 741 among the 2,899 providers of this specialty who prescribed in Part D. Brand-name drugs were 30% of claims.
Most prescribed
- Montelukast Sodium1,602 claims
- Famotidine673 claims
- Trelegy Ellipta597 claims
- Azelastine Hcl521 claims
- Levocetirizine Dihydrochloride504 claims
- Albuterol Sulfate Hfa495 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 MIPS final score for 2023 (Medicare payment program): 94.7 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $32,981.91
141 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. 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.
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
- Chattanooga Allergy Clinic , PLLCHixson, TN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marc William Cromie among 85 allergy & immunology physician records in Tennessee
Marc William Cromie, M.D. is one of 85 allergy & immunology physician records with a practice address in Tennessee. 87% 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 22% of them.
- NPI issued2006 · 22% of these records are older, 46% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 81% of these records are
- Graduated1996 · median 2001 among the 68 with a school on file
- Record last updated2020 · 58% 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 Tennessee 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 Tennessee
There are 85 allergy & immunology physician records in Tennessee.
All 85 in Tennessee → Every provider in Chattanooga → Allergy & Immunology Physician nationwide →
The 8 allergy & immunology physician records with the nearest ZIP codes
- Taylor Atchley, MDChattanooga, TN 374211972923860
- Paul Carter, MDChattanooga, TN 374211710972872
- David Chaffin, M.D.Chattanooga, TN 374211235178377
- Michael Hollie, M.D.Chattanooga, TN 374211245279090
- Hyman Kaplan, M.D.Chattanooga, TN 374211356310932
- Todd Levin, M.D.Chattanooga, TN 374211487623989
- Jennifer Patel, M.D.Chattanooga, TN 374211336381698
- Lee Perry, M.D.Chattanooga, TN 374211225252125
Common questions
What is Marc William Cromie, M.D.'s NPI number?
Marc William Cromie, M.D.'s National Provider Identifier (NPI) is 1083683668, issued on Mar 16, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Marc William Cromie, M.D. located?
The NPPES record lists a practice address at 6734 Lee Hwy, Chattanooga, TN, 37421. Phone: (423) 899-0431. Providers update this record themselves, so call before visiting.
How can I verify Marc William Cromie, M.D.'s license?
NPPES lists Tennessee license number MD32158, 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 Marc William Cromie, M.D. prescribe under Medicare Part D?
In 2024, Marc William Cromie, M.D. had 7,169 Medicare Part D claims for 1,284 beneficiaries; the average among allergy & immunology physician prescribers was 741. Part D covers Medicare prescriptions only.
What is Marc William Cromie, M.D.'s MIPS final score?
The 2023 MIPS final score is 94.7 of 100. 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.