Doctor profile · Federal record

Dr. Catherine Marzan, DO

Hospitalist Physician (CMS: Hospitalist) · Family Medicine Physician · Anchorage, AK

  • NPI 1568902997
  • Accepts Medicare
  • 9 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
4300 B St Ste 200
Anchorage, AK 995035933
(907) 375-3355
Additional location
4190 City Ave
Philadelphia, PA 191311626
(215) 871-6690
Additional location
1201 E 36Th Ave
Anchorage, AK 995084372
(907) 562-9229
fax (907) 562-1603
Mailing address
Po Box 4105
Portland, OR 972084105

Credentials & registration

NPPES · NUCC
NPI registered
March 2017 — 9 yrs on file
Profile last updated
August 24, 2022
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
208M00000X — NUCC code
State licenses (2)
Alaska #193316 · Alaska #146158

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1568902997. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,639
Distinct HCPCS
8
Medicare allowed
$222,124
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 744 276 $158
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 409 153 $105
99239 Hospital discharge day management, more than 30 minutes 182 174 $150
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 111 32 $66
99238 Hospital discharge day management, 30 minutes or less 95 92 $106
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 55 22 $139
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 31 31 $231
99305 Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes 12 11 $175

In context: peer comparison

Among 30 peers in Anchorage Hospitalist Physician, average services per provider: 158. This provider delivers 10× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
218
Patients
200
Total drug cost
$8,923
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 32 27 $281
Pantoprazole Sodium Generic 29 28 $220
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 24 23 $325
Prednisone Generic 18 16 $42
Cephalexin Generic 17 17 $334
Eliquis (Apixaban) Brand 15 13 $7,274
Furosemide Generic 15 14 $37
Potassium Chloride Generic 15 13 $185
Carvedilol Generic 14 13 $41
Ondansetron Odt (Ondansetron) Brand 14 13 $91

Frequently asked questions

Auto-generated from federal data
What is Dr. Catherine Marzan's medical specialty?
Dr. Catherine Marzan practices Hospitalist Physician in Anchorage, AK.
Where does Dr. Catherine Marzan practice?
Dr. Catherine Marzan practices at 4300 B St Ste 200, Anchorage, AK 995035933. Office phone: 9073753355.
What is Dr. Catherine Marzan's NPI?
Dr. Catherine Marzan's National Provider Identifier (NPI) is 1568902997, issued by NPPES.
Does Dr. Catherine Marzan accept Medicare assignment?
Yes. Dr. Catherine Marzan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Catherine Marzan 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); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.