Physician

Marc William Cromie, M.D.

According to 2025 Medicare claims, Marc Cromie, M.D. (NPI: 1083683668) practices allergy/immunology in the Chattanooga, TN-GA market, with the plurality of this provider's patient population coming from Hamilton, TN. This provider's primary affiliated billing organization is CHATTANOOGA ALLERGY CLINIC , PLLC (NPI: 1770594129; TIN: 621870857) and primary practice location at 37421-2423. Cromie is affiliated with the CommonSpirit ACO III (ACO ID: A2645) and Main Street Rural Health Cedar ACO LLC (ACO ID: A5502), participating under the MSSP model.

Cromie's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 699 traditional Medicare patients, billed 92,352 HCPCS/CPT codes, and received $1,715,207 in Medicare payments. The top billing code was 99204 (New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more). Part D data shows 7,169 prescription claims across 1,284 beneficiaries totaling $2,492,575 in drug costs, led by Trelegy Ellipta (Fluticasone/Umeclidin/Vilanter). DME data shows 561 claims. Open Payments data shows 141 records totaling $32,982. You can download detailed data with all billing codes (2015-2024). For more recent data, please contact us.

Over the past 10 years, this provider's Medicare Part B carrier billing has moved sharply higher in recent years, from $199,400 to $1,715,207. Similarly, Part D prescription costs have risen steadily, from $439,400 to $2,492,575. In contrast, DME billing represents a smaller volume and rose steadily, from $2,705 to $14,467.

Part B Carrier Billing Trend

Medicare payment trend, with N of patients and claim lines in the table.

Year	Patients	Clm Lines	Payment
2015	561	24,325	$199,400
2016	645	26,960	$228,725
2017	752	31,734	$276,301
2018	803	33,382	$312,248
2019	819	35,825	$463,117
2020	799	41,219	$714,469
2021	788	43,239	$856,046
2022	763	40,998	$980,810
2023	702	61,512	$1,355,767
2024	699	92,352	$1,715,207

Part D Events Trend

Drug cost trend, with N of patients and prescription claims in the table.

Year	Patients	Claims	Drug Cost
2015	590	3,972	$439,400
2016	638	4,487	$521,412
2017	714	5,254	$1,218,454
2018	817	5,723	$1,714,249
2019	884	5,749	$1,543,782
2020	950	5,749	$1,523,533
2021	951	5,326	$1,650,450
2022	1,047	5,935	$1,953,029
2023	1,081	6,678	$2,358,622
2024	1,284	7,169	$2,492,575

DME Billing Trend

Medicare payment trend, with N of patients and DME claim records in the table.

Year	Patients	Claims	Payment
2015	11	215	$126,611
2016	N/R	199	$258,415
2017	22	397	$335,717
2018	N/R	391	$307,027
2019	12	372	$251,812
2020	32	357	$271,211
2021	22	471	$360,564
2022	13	486	$449,812
2023	24	520	$454,282
2024	26	561	$594,697

* / # = suppressed by CMS; 0 = reported zero; N/R = not reported or blank.

Top 5 Part B carrier billing codes in 2024

By total payments.

Code	Description	Patients	Clm Lines	Total Payment
99204	New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	107	107	$107
99214	Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	269	317	$84
95012	Test to measure the level of nitric oxide gas	157	179	$12
95165	Professional service for preparation and provision of 1 or more antigens	444	11,276	$10
95117	Professional service for multiple injections of allergen	495	9,414	$8

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	597	21,930	$458,967
Xolair	Omalizumab	122	3,416	$352,290
Nucala	Mepolizumab	59	1,652	$219,715
Dupixent Syringe	Dupilumab	44	1,260	$173,505
Hizentra	Immun Glob G(Igg)/Pro/Iga 0-50	19	532	$149,502

Top 5 DME services in 2024

By Total Medicare Payment Amount.

HCPCS Code	HCPCS Description	Supplier Rental Indicator	Total Supplier Beneficiaries	Total Supplier Claims	Total Medicare Payment Amount
J1559	Injection, immune globulin (hizentra), 100 mg	N	N/R	94	$388,718
J1555	Injection, immune globulin (cuvitru), 100 mg	N	N/R	24	$109,571
J1561	Injection, immune globulin, (gamunex-c/gammaked), non-lyophilized (e.g., liquid), 500 mg	N	N/R	14	$40,978
J1569	Injection, immune globulin, (gammagard liquid), non-lyophilized, (e.g., liquid), 500 mg	N	N/R	14	$39,209
A4221	Supplies for maintenance of non-insulin drug infusion catheter, per week (list drugs separately)	N	12	133	$9,736

Open Payments Summary in 2024

Category	Definition	Records	Total Reported Amount	Top Related Entity
General Payments	Reported payment or transfer-of-value amount.	141	$32,982	AstraZeneca Pharmaceuticals LP
Research Payments	Reported research-related payment or transfer-of-value amount.	0	$0	N/R
Ownership / Investment Interests	Reported value of ownership or investment interests.	0	$0	N/R

Explore More Providers

FAQ

What Medicare data is available for Marc William Cromie, M.D.?

Tedicare shows public-source Medicare data for Marc William Cromie, M.D. (NPI 1083683668), including provider identity, specialty, market context, Medicare Part B activity, Part D prescribing, DME records, Open Payments where available, billing organization details, and ACO affiliation signals where available. Profile data covers 2015-2024, with current attribution based on 2025 claims where available.

Does Marc William Cromie, M.D. have ACO affiliation data?

Marc William Cromie, M.D. is shown with ACO affiliation data for CommonSpirit ACO III (MSSP, ACO ID A2645) and Main Street Rural Health Cedar ACO LLC (MSSP, ACO ID A5502).

What billing organization is linked to Marc William Cromie, M.D.?

Marc William Cromie, M.D. is linked to CHATTANOOGA ALLERGY CLINIC , PLLC (billing NPI 1770594129) in the available physician profile data.

Does Marc William Cromie, M.D. have Open Payments data?

Marc William Cromie, M.D. has 141 connected Open Payments records in the available 2024 summary data.

Can I download physician-level Medicare data from Tedicare?

Yes. Tedicare provides sample physician export data and paid custom physician data exports for research, planning, outreach, and market analysis. Exports can include physician profile fields, market and specialty context, billing organization details, ACO affiliation signals where available, and Medicare utilization data.