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DR. AARON MATTHEW LEHMAN M.D.
NPI 1184638090
Internal Medicine in Ramona, CA

Active since July 28, 2006PECOS EnrolledAccepts Medicare Assignment
217 EARLHAM ST, RAMONA, CA 92065(760) 789-1223(760) 789-3152 Get Directions Write a Review

NPPES record last updated: November 4, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Aaron Matthew Lehman M.d. NPPES

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

DR. AARON MATTHEW LEHMAN M.D. (NPI 1184638090) is an individual internal medicine provider in Ramona, California, licensed in California (A81096) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Arizona College Of Medicine (2001).

NPPES Registry Identity

NPI1184638090
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. AARON MATTHEW LEHMANCredential: M.D.
Location Address217 EARLHAM STRamona, CA 92065-1589
Mailing Address10847 Caminito ArcadaSan Diego, CA 92131-3666 · (858) 566-4580
Phone(760) 789-1223
Fax(760) 789-3152
Sole ProprietorYes
Medical School CMSUniversity Of Arizona College Of MedicineGraduated 2001
Enumeration DateJuly 28, 2006
Last NPPES UpdateNovember 4, 2021
NPPES CertifiedNovember 4, 2021
✔ NPI 1184638090 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · A81096
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedPediatricsTaxonomy 208000000X · License A81096 (CA)
217 EARLHAM ST, Ramona, CA 92065
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Aaron Matthew Lehman M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7810989753
PECOS Enrollment IDI20040331001709
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 Aaron Lehman reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Southern California Permanente Medical Group
23 mi
Health Maintenance Organization
4647 ZION AVE
San Diego, CA 92120
  • Reassigned Medicare billing, California enrollment
  • 13,921 clinicians in this Medicare group
NPI 1225060742 (619) 528-5000

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 92065 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
$108.42 typical visit price
range $20.62 – $151.42
Typical copayment $27.10 (range $5.15 – $37.85)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
1 supplier12 claims12 services$10.36 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
1 supplier12 claims12 services$44.39 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 3

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

JOANNA YANEZ
Case Manager/Care Coordinator
217 EARLHAM ST
RAMONA, CA 92065
San Diego County (760) 736-6780
MS. ROBERTA M. SCHUTZ LCSW
Social Worker (Clinical)
217 EARLHAM ST
RAMONA, CA 92065
San Diego County (760) 566-1779
DORIS YUNG MD
Internal Medicine
217 EARLHAM ST
RAMONA, CA 92065
San Diego County (760) 789-1223

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 Aaron Lehman's NPI number?

The NPI number for Aaron Lehman is 1184638090. It was assigned to this individual provider in the NPPES registry on July 28, 2006.

Where is Aaron Lehman located?

Aaron Lehman practices at 217 Earlham St, Ramona, CA 92065. The listed phone number is (760) 789-1223.

What is Aaron Lehman's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Aaron Lehman enrolled in Medicare?

Yes. Aaron Lehman is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Aaron Lehman's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Aaron Lehman reassigns Medicare benefits to Southern California Permanente Medical Group (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 Aaron Lehman'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 Aaron Lehman was last updated on November 4, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.