SeeBITDAOklahoma

Adult Gastroenterology Associates, Inc.

Estimated valueMedium confidence
$14.2M
$7.5Mlikely range$19.4M
About 6.1× its yearly profit, typical for a company this size in its industry.
Revenue
$14.8M
a year
Profit (EBITDA)
$2.3M
16% of revenue
Employees
54
reported in 2020
Leadership
Nicholas Mamalis
Founder · source

How we got $14.2M

Based on its 54 employees and its payroll, both reported for PPP in 2020 and brought up to date.

54 employees × $291K each$15.7M
PPP payroll ÷ payroll's usual share of revenue$10.8M
Shown toward the top of its range×1.14
Revenue$14.8M
× 16% profit margin$2.3M
× 6.1 sale multiple = value$14.2M

· Own this business? Correct these figures

Estimated value over time

▲ 23% since 2020
$0$8.1M$16.3M20202026

Today's estimate scaled by the headcount reported each year and that year's prices. A trend, not a record of past sale values.

What we know

PPP loan, 2020
No 401(k) filing
No reported financials
No website found
Owner named
4 locations found

Compared with similar businesses nearby

BusinessEst. revenueEst. profitDistance
ADULT GASTROENTEROLOGY ASSOCIATES, INC.
this business
$14.8M$2.3M—
CHILD NEUROLOGY OF TULSA, PC
Tulsa · 8 employees
$2.1M$408K0.0 mi
FRANZ MONCADA MD INC
Tulsa · 7 employees
$1.6M$306K0.0 mi
G PETE DOSSER MD INC.
Tulsa · 3 employees
$1.4M$311K0.0 mi
HEART RHYTHM INSTITUTE OF OKLAHOMA STRATEGIC SUPPORT LLC
Tulsa · 5 employees
$1.5M$316K0.0 mi
MARY C. KIRK, MD, PLLC
Tulsa · 7 employees
$2.0M$394K0.0 mi
OSTEOPATHIC PHYSICIANS OF TULSA
Tulsa · 17 employees
$5.1M$910K0.0 mi

The full calculation

Employees reported to the SBA54
Revenue from headcount (employees × revenue per employee for companies this size)$15.7M
Revenue from PPP payroll (payroll ÷ payroll's share of revenue for companies this size)$10.8M
Estimate: the two combined (geometric mean)$14.8M
EBITDA margin (industry, adjusted for size)16%
EBITDA = revenue × margin$2.3M

Figures are shown toward the upper part of their range rather than at its middle.

Brought up to date assuming revenue has grown 8% a year since 2020, when the PPP figures were reported; included above.

Estimated value = EBITDA × typical sale multiple$14.2M
Multiple for this size and industry6.1×
Value range$7.5M – $19.4M
Revenue range$9.8M – $16.9M
EBITDA range$1.5M – $2.6M
Industry (NAICS)Offices of Physicians (except Mental Health Specialists) (621111)

EBITDA margin: from IRS tax returns of S corporations in this industry (2019–2022), adjusted for company size: smaller companies typically run higher margins. EBITDA here is after owners' salaries.

Benchmarks: US Economic Census 2022, OK. PPP loans were sized on 2019–2020 payroll, so figures reflect that period. These are statistical estimates, not reported financials. Full methodology

History & advisors

Advisors

  • BankingArvest BankPPP / SBA lender

From the company's own website and public filings (DOL Form 5500, IRS Form 990, SBA). Roles are as stated there and may be out of date.

Banking relationships

Arvest Bank
PPP 2020
All 5,114 borrowers →

From PPP and SBA loan records, which name the bank but not the individual banker.

PPP loans

ApprovedDrawAmountForgivenJobsLender
4/7/2020first$630K$634K54Arvest Bank

4 locations

6465 S YALE AVETulsaThis listing
4150 SE Adams RdBartlesvilleView
4200 E Skelly Dr Ste 700TulsaView
735 N Foreman StVinitaView

Revenue, profit and value are for the whole company.

Public records

Matched to this business by name and address from public government data; a match can occasionally be wrong.

About Adult Gastroenterology Associates, Inc.

Adult Gastroenterology Associates, Inc. is a doctors & clinics company in Tulsa, Oklahoma. It is owned by Nicholas Mamalis (Founder). Its estimated annual revenue is about $14.8M, with roughly $2.3M of EBITDA. It has about 54 employees. Its estimated business value is $14.2M (likely range $7.5M–$19.4M). It has 4 locations.

Common questions

Who owns Adult Gastroenterology Associates, Inc.?
Adult Gastroenterology Associates, Inc. is owned by Nicholas Mamalis (Founder), according to public sources such as the company's website or filings.
How much revenue does Adult Gastroenterology Associates, Inc. make?
SeeBITDA estimates Adult Gastroenterology Associates, Inc.'s annual revenue at about $14.8M (likely between $9.8M and $16.9M), based on public records such as its PPP loan and retirement-plan filings, brought up to 2026.
What is Adult Gastroenterology Associates, Inc. worth?
About $14.2M, roughly 6.1× its estimated EBITDA of $2.3M, typical for a doctors & clinics company its size. Likely range: $7.5M–$19.4M.
How many employees does Adult Gastroenterology Associates, Inc. have?
About 54, as reported on its PPP loan.