Doctor profile · Federal record

Dr. Haizia Amsler, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Hospitalist Physician · Gaithersburg, MD

  • NPI 1265612618
  • Accepts Medicare
  • MIPS 86.8 / 100 · 2023
  • 35 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
201 Russell Ave
Gaithersburg, MD 208772800
(301) 557-2110
fax (301) 557-2120
Additional location
9115 Leesgate RD, Suite A
Louisville, KY 402225003
(502) 429-8011
fax (502) 429-6389
Additional location
18530 Office Park Dr
Montgomery Village, MD 208860586
(301) 557-1540
Mailing address
18117 Ivy Ln
Olney, MD 208322009

Credentials & registration

NPPES · NUCC
NPI registered
November 2007 — 19 yrs on file
Profile last updated
September 26, 2024
Year of graduation
1991 — 35 yrs since
Specialty taxonomy
207R00000X — NUCC code
State licenses (2)
Maryland #D0070027 · Kentucky #41830
Medicaid
KY #7100078820

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1265612618. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
462
Distinct HCPCS
8
Medicare allowed
$40,847
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 238 129 $74
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 56 32 $109
99239 Hospital discharge day management, more than 30 minutes 51 50 $110
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 37 23 $49
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 31 31 $157
99238 Hospital discharge day management, 30 minutes or less 25 25 $72
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 13 13 $117
99214 Established patient office or other outpatient visit, 30-39 minutes 11 11 $133

In context: peer comparison

Among 10 peers in this city , average services per provider: 102. This provider delivers 4.5× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$22
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Merck Sharp & Dohme LLC 1 $22.13

By nature of payment

Food and Beverage
$22

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
249
Patients
62
Total drug cost
$25,087
Drug Type Claims Patients Total cost
Eliquis (Apixaban) Brand 68 12 $22,970
Atorvastatin Calcium Generic 32 13 $487
Furosemide Generic 30 12 $180
Gabapentin Generic 17 0 $183
Paroxetine Hcl Generic 17 0 $299
Metoprolol Tartrate Generic 14 0 $101
Azithromycin Generic 13 13 $77
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 12 12 $119
Famotidine Generic 12 0 $182
Metoprolol Succinate Generic 12 0 $96

Frequently asked questions

Auto-generated from federal data
What is Dr. Haizia Amsler's medical specialty?
Dr. Haizia Amsler practices Internal Medicine Physician in Gaithersburg, MD.
Where does Dr. Haizia Amsler practice?
Dr. Haizia Amsler practices at 201 Russell Ave, Gaithersburg, MD 208772800. Office phone: 3015572110.
What is Dr. Haizia Amsler's NPI?
Dr. Haizia Amsler's National Provider Identifier (NPI) is 1265612618, issued by NPPES.
Does Dr. Haizia Amsler accept Medicare assignment?
Yes. Dr. Haizia Amsler accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Haizia Amsler commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.