Doctor profile · Federal record

Dr. Margret Zager, MD

Internal Medicine Physician (CMS: Internal Medicine) · Tacoma, WA

  • NPI 1144726597
  • Accepts Medicare
  • MIPS 87.0 / 100 · 2023
  • 8 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1608 S J St Fl 3
Tacoma, WA 984054930
(253) 274-7503
fax (253) 274-7993

Credentials & registration

NPPES · NUCC
NPI registered
April 2018 — 8 yrs on file
Profile last updated
February 19, 2024
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Washington #MD61080869
Medicaid
WA #2012654

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1144726597. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
529
Distinct HCPCS
10
Medicare allowed
$45,985
HCPCS Description Services Patients Avg allowed
36415 Insertion of needle into vein for collection of blood sample 149 93 $8
99214 Established patient office or other outpatient visit, 30-39 minutes 133 77 $139
99215 Established patient office or other outpatient visit, 40-54 minutes 72 52 $193
83036 Hemoglobin a1c level 44 28 $10
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 32 32 $143
99213 Established patient office or other outpatient visit, 20-29 minutes 28 24 $98
91312 Sarscov2 vac bvl 30mcg/0.3ml 16 16 $0
0124A Adm sarscv2 bvl 30mcg/.3ml a 14 14 $46
99204 New patient office or other outpatient visit, 45-59 minutes 14 14 $178
G0008 Administration of influenza virus vaccine 14 14 $34

In context: peer comparison

Among 47 peers in this city , average services per provider: 109. This provider delivers 4.9× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
799
Patients
211
Total drug cost
$12,659
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 125 49 $1,455
Amlodipine Besylate Generic 84 26 $639
Levothyroxine Sodium Generic 78 21 $1,148
Lisinopril Generic 78 21 $533
Losartan Potassium Generic 53 19 $1,043
Methocarbamol Generic 47 0 $386
Omeprazole Generic 44 18 $728
Citalopram Hbr (Citalopram Hydrobromide) Brand 43 0 $494
Trazodone Hcl Generic 42 12 $676
Gabapentin Generic 40 19 $1,035

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Margret Zager's medical specialty?
Dr. Margret Zager practices Internal Medicine Physician in Tacoma, WA.
Where does Dr. Margret Zager practice?
Dr. Margret Zager practices at 1608 S J St Fl 3, Tacoma, WA 984054930. Office phone: 2532747503.
What is Dr. Margret Zager's NPI?
Dr. Margret Zager's National Provider Identifier (NPI) is 1144726597, issued by NPPES.
Does Dr. Margret Zager accept Medicare assignment?
Yes. Dr. Margret Zager accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Margret Zager commonly perform?
Top Medicare-reported procedures in 2023: Insertion of needle into vein for collection of blood sample (HCPCS 36415); Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.