Doctor profile · Federal record

Dr. Nathan Spengler, MD

Diagnostic Radiology Physician (CMS: Diagnostic Radiology) · Diagnostic Radiology Physician · San Diego, CA

  • NPI 1992919666
  • Accepts Medicare
  • 22 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
200 W Arbor Dr
San Diego, CA 921039000
(800) 926-8273
fax (888) 539-8781
Additional location
10350 E Dakota Ave
Denver, CO 802471314
(303) 338-4545
Mailing address
Po Box 232410
San Diego, CA 921932410

Credentials & registration

NPPES · NUCC
NPI registered
May 2007 — 19 yrs on file
Profile last updated
July 26, 2023
Year of graduation
2004 — 22 yrs since
Specialty taxonomy
2085R0202X — NUCC code
State licenses (2)
California #A93557 · Colorado #48743
Medicaid
CO #52326365

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1992919666. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
200
Distinct HCPCS
7
Medicare allowed
$9,729
HCPCS Description Services Patients Avg allowed
77063 Screening 3d breast mammography 38 38 $30
77067 Screening mammography 38 38 $38
G0279 Diagnostic digital breast tomosynthesis, unilateral or bilateral (list separately in addition to 77065 or 77066) 31 31 $29
77063 Screening 3d breast mammography 27 27 $51
77067 Screening mammography 27 27 $118
77066 Diagnostic mammography of both breasts 24 24 $49
76642 Limited ultrasound scan of 1 breast 15 15 $34

In context: peer comparison

Among 125 peers in San Diego Diagnostic Radiology Physician, average services per provider: 189. This provider delivers 1.1× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Nathan Spengler's medical specialty?
Dr. Nathan Spengler practices Diagnostic Radiology Physician in San Diego, CA.
Where does Dr. Nathan Spengler practice?
Dr. Nathan Spengler practices at 200 W Arbor Dr, San Diego, CA 921039000. Office phone: 8009268273.
What is Dr. Nathan Spengler's NPI?
Dr. Nathan Spengler's National Provider Identifier (NPI) is 1992919666, issued by NPPES.
Does Dr. Nathan Spengler accept Medicare assignment?
Yes. Dr. Nathan Spengler accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nathan Spengler commonly perform?
Top Medicare-reported procedures in 2023: Screening 3d breast mammography (HCPCS 77063); Screening mammography (HCPCS 77067); Diagnostic digital breast tomosynthesis, unilateral or bilateral (list separately in addition to 77065 or 77066) (HCPCS G0279). Source: CMS Medicare Physician & Other Practitioners file.