1. Home
  2. Directory
  3. California
  4. San Diego
  5. Internal Medicine
  6. NPI Profile

MICHAEL JAMES AHLERS
NPI 1376002303
Internal Medicine - Cardiovascular Disease in San Diego, CA

Active since March 19, 2019PECOS Enrolled
200 W ARBOR DR, SAN DIEGO, CA 92103(800) 926-8273(888) 539-8781 Get Directions Write a Review

NPPES record last updated: July 27, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 27, 2026, Mar 19, 2019 (2 updates tracked since 2019).

About Michael James Ahlers NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MICHAEL JAMES AHLERS (NPI 1376002303) is an individual cardiovascular disease provider in San Diego, California, licensed in California (A178240) and active in the NPI registry since March 2019. He is enrolled in Medicare PECOS and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1376002303
Entity TypeIndividualMale
Primary Taxonomy207RC0000X
Provider Legal NameMICHAEL JAMES AHLERS
Location Address200 W ARBOR DRSan Diego, CA 92103-9000
Mailing AddressFile 57326Los Angeles, CA 90074-0001
Phone(800) 926-8273
Fax(888) 539-8781
Sole ProprietorNo
Enumeration DateMarch 19, 2019
Last NPPES UpdateJuly 27, 20262 updates tracked since enumeration
NPPES CertifiedJuly 27, 2026
✔ NPI 1376002303 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
License✔ Licensed in CA · A178240
Definition
An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.
200 W ARBOR DR, San Diego, CA 92103
Open in Google Maps ↗

Secondary Practice Locations 2

Location 19434 Medical Center DrLA Jolla, CA 92037-1337 · Phone (800) 926-8276 · Fax (888) 539-8781
Location 2757 Westwood PlzLos Angeles, CA 90095-8358 · Phone (712) 540-8039

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Michael James Ahlers is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Michael Ahlers reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Regents Of The University Of California
0.1 mi
Nephrology
200 W ARBOR DR
San Diego, CA 92103
  • Reassigned Medicare billing, California enrollment
  • 526 clinicians in this Medicare group
NPI 1003934803 (888) 926-8273

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92103 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$140.22 typical visit price
range $62.10 – $184.71
Typical copayment $35.05 (range $15.52 – $46.17)
Most-billed visit code 99204
Established Patient
$76.87 typical visit price
range $20.62 – $151.42
Typical copayment $19.21 (range $5.15 – $37.85)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. RAMIN MOTARJEMI M.D.
Internal Medicine (Geriatric Medicine)
200 W ARBOR DR
SAN DIEGO, CA 92103
San Diego County (858) 249-2500
DR. KYLE PALMER EDMONDS M.D., FAAHPM
Hospice, Inpatient
200 W ARBOR DR
SAN DIEGO, CA 92103
San Diego County (800) 926-8273
SHAWN RAVEENTH VEDAMANI MD
Anesthesiology
200 W ARBOR DR
SAN DIEGO, CA 92103
San Diego County (800) 926-8273
DALE MICHAEL TRUJILLO NP
Nurse Practitioner
200 W ARBOR DR
SAN DIEGO, CA 92103
San Diego County (800) 926-8273
DR. EUGENE THOMAS RICHARDSON IV MD
Internal Medicine (Infectious Disease)
200 W ARBOR DR
SAN DIEGO, CA 92103
San Diego County (800) 926-8273
KAYLEE PETERSEN ARNP
Nurse Practitioner (Psychiatric/Mental Health)
200 W ARBOR DR
SAN DIEGO, CA 92103
San Diego County (800) 926-8273
IRENE NEVAREZ NP
Nurse Practitioner
200 W ARBOR DR
SAN DIEGO, CA 92103
San Diego County (800) 926-8273
WILLIAM JAMES MOSS M.D.
Student in an Organized Health Care Education/Training Program
200 W ARBOR DR
SAN DIEGO, CA 92103
San Diego County (508) 395-4189

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Michael Ahlers's NPI number?

The NPI number for Michael Ahlers is 1376002303. It was assigned to this individual provider in the NPPES registry on March 19, 2019.

Where is Michael Ahlers located?

Michael Ahlers practices at 200 W Arbor Dr, San Diego, CA 92103. The listed phone number is (800) 926-8273.

What is Michael Ahlers's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is Michael Ahlers enrolled in Medicare?

Yes. Michael Ahlers is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Michael Ahlers's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Michael Ahlers reassigns Medicare benefits to Regents Of The University Of California (San Diego, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Michael Ahlers's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Michael Ahlers was last updated on July 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.