Doctor profile · Federal record

Dr. Alexander Demare, M.D.

Surgery Physician (CMS: General Surgery) · Surgery Physician · Royal Oak, MI

  • NPI 1306224811
  • Accepts Medicare
  • 11 yrs in practice
  • Licensed in 2 states
  • Male
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
3577 W 13 Mile RD Ste 201
Royal Oak, MI 480736710
(248) 551-7890
fax (248) 551-8895
Additional location
9500 Euclid Ave
Cleveland, OH 441956711
(216) 444-2200
Mailing address
3565 Daleford RD
Shaker Heights, OH 441205230

Credentials & registration

NPPES · NUCC
NPI registered
May 2015 — 11 yrs on file
Profile last updated
June 2, 2022
Year of graduation
2015 — 11 yrs since
Specialty taxonomy
208600000X — NUCC code
State licenses (2)
Michigan #4301507296 · Ohio #35141330
Medicaid
OH #0439619

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1306224811. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
238
Distinct HCPCS
8
Medicare allowed
$37,829
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 64 37 $117
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 59 27 $81
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 42 41 $176
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 21 21 $133
99215 Established patient office or other outpatient visit, 40-54 minutes 16 11 $184
99214 Established patient office or other outpatient visit, 30-39 minutes 13 13 $131
99205 New patient office or other outpatient visit, 60-74 minutes 12 12 $228
47562 Removal of gallbladder using an endoscope 11 11 $726

In context: peer comparison

Among 10 peers in Royal Oak Surgery Physician, average services per provider: 50. This provider delivers 4.8× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,039
Transactions
8
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Intuitive Surgical, INC. 3 $483.98
Medtronic, INC. 2 $242.02
Dilon Technologies, INC. 1 $181.91
Aimmune Therapeutics, INC. 2 $130.84

By nature of payment

Food and Beverage
$1,030
Gift
$9

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
117
Patients
68
Total drug cost
$52,528
Drug Type Claims Patients Total cost
Oxycodone Hcl Generic 28 25 $72
Metronidazole Generic 26 22 $31
Ciprofloxacin Hcl Generic 24 21 $24
Creon (Lipase/Protease/Amylase) Brand 24 0 $52,270
Omeprazole Generic 15 0 $131

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Alexander Demare's medical specialty?
Dr. Alexander Demare practices Surgery Physician in Royal Oak, MI.
Where does Dr. Alexander Demare practice?
Dr. Alexander Demare practices at 3577 W 13 Mile RD Ste 201, Royal Oak, MI 480736710. Office phone: 2485517890.
What is Dr. Alexander Demare's NPI?
Dr. Alexander Demare's National Provider Identifier (NPI) is 1306224811, issued by NPPES.
Does Dr. Alexander Demare accept Medicare assignment?
Yes. Dr. Alexander Demare accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Alexander Demare commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.