Doctor profile · Federal record

Dr. Mary Yager, MD

Hospitalist Physician (CMS: Internal Medicine) · Internal Medicine Physician · San Diego, CA

  • NPI 1801059902
  • Accepts Medicare
  • 26 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
200 W Arbor Dr
San Diego, CA 921039000
(858) 249-6748
Mailing address
Po Box 232410
San Diego, CA 921932410

Credentials & registration

NPPES · NUCC
NPI registered
July 2008 — 18 yrs on file
Profile last updated
July 21, 2022
Year of graduation
2000 — 26 yrs since
Specialty taxonomy
208M00000X — NUCC code
State license (1)
California #A103221

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1801059902. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
152
Distinct HCPCS
2
Medicare allowed
$26,277
HCPCS Description Services Patients Avg allowed
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 88 87 $193
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 64 60 $145

In context: peer comparison

Among 58 peers in San Diego Hospitalist Physician, average services per provider: 101. This provider delivers 1.5× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mary Yager's medical specialty?
Dr. Mary Yager practices Hospitalist Physician in San Diego, CA.
Where does Dr. Mary Yager practice?
Dr. Mary Yager practices at 200 W Arbor Dr, San Diego, CA 921039000. Office phone: 8582496748.
What is Dr. Mary Yager's NPI?
Dr. Mary Yager's National Provider Identifier (NPI) is 1801059902, issued by NPPES.
Does Dr. Mary Yager accept Medicare assignment?
Yes. Dr. Mary Yager accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mary Yager commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with moderate level of medical decision making (HCPCS 99223); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.