Medicaid Provider SpendingClaims paid 2018–2024 · HHS public file
Home › MI › Farmington Hills › NPI 1205948510
Physician

Harris W. Mainster, D.O./P.C.

Harris W. Mainster, D.O./P.C. was paid $225K by Medicaid between Jan 2018 and Nov 2024, across 11 billing codes. Its largest line is 99233, hospital visit by a doctor, follow-up day (complex) — 50% of everything it billed.

33Billing provider infoHARRIS W. MAINSTER, D.O./P.C.
FARMINGTON HILLS, MI 48336
33aNPI1205948510assigned 08/31/2006
33bProvider typeSurgery Physician
28Total paid$225K
24GClaims3,416
24DCodes billed11
24AFirst – last monthJan 2018 – Nov 2024
Compared with peers

Next to other Surgery Physician providers in Michigan

Rank by total paid#25 of 111
Median peer was paid$17K
This provider vs. median13×

Peers share this provider's primary NPPES type and state. Size alone says nothing about billing quality: a big agency or a hospital system is expected to sit far above the median.

Box 24A · Dates of service

Paid by month

$0$5.0K$10K2018201920202021202220232024
Paid that monthNov–Dec 2024: claims still arriving when the file was cut, so these months run low for every provider
By year, as a table
YearClaimsPaid
2018468$32K
2019472$26K
2020745$43K
2021698$41K
2022595$39K
2023268$26K
2024incomplete170$18K
Box 24 · Service lines

What it billed for

CodeServiceShareClaimsBene. recordsPaid
99233 Hospital visit by a doctor, follow-up day (complex)Prolong inpt eval add15 m 50% 2,016 522 $111K
99204 Doctor's office visit, new patient (more involved)Office or other outpatient visit for the evaluation and management of a new patient, moderate complexity 19% 505 503 $43K
99205 Prolong outpt/office vis 14% 253 253 $32K
99213 Doctor's office visit, returning patient (routine)Office or other outpatient visit for the evaluation and management of an established patient, low complexity 6.5% 319 290 $15K
45378 Colonoscopy, flexible; diagnostic, including collection of specimen(s) 2.7% 60 60 $6K
99203 Doctor's office visit, new patient (routine)Office or other outpatient visit for the evaluation and management of a new patient, low complexity 2.6% 108 108 $6K
45380 Colonoscopy, flexible; with biopsy, single or multiple 2.0% 38 38 $4K
99214 Doctor's office visit, returning patient (more involved)Office or other outpatient visit for the evaluation and management of an established patient, moderate complexity 1.0% 36 32 $2K
99232 Hospital visit by a doctor, follow-up daySubsequent hospital care, per day, moderate complexity <1% 50 14 $2K
99223 Prolong inpt eval add15 m <1% 18 17 $2K
43239 Esophagogastroduodenoscopy, flexible, transoral; with biopsy, single or multiple <1% 13 13 $869.44

Claims and beneficiary counts add up across code × month rows, so one patient seen every month counts many times. Rows with fewer than 12 claims are suppressed by HHS, so small lines can be missing.

From NPPES

Who's on the registration

Authorized officialMAINSTER, HARRIS (PRESIDENT/OWNER)