DR. SONIA N AHUJA M.D.
NPI 1528059490
Internal Medicine in Encinitas, CA

Active since October 31, 2005PECOS EnrolledAccepts Medicare Assignment
354 SANTA FE DR, ENCINITAS, CA 92024(760) 230-2251 Get Directions Write a Review

NPPES record last updated: February 5, 2014. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Sonia N Ahuja M.d. NPPES

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

DR. SONIA N AHUJA M.D. (NPI 1528059490) is an individual internal medicine provider in Encinitas, California, licensed in California (A66330) and active in the NPI registry since October 2005. She is enrolled in Medicare PECOS and is a graduate of Other (1991).

NPPES Registry Identity

NPI1528059490
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. SONIA N AHUJACredential: M.D.
Location Address354 SANTA FE DREncinitas, CA 92024-5142
Mailing AddressPo Box 231189Encinitas, CA 92023-1189 · (760) 230-2251
Sole ProprietorNo
Medical School CMSOtherGraduated 1991
Enumeration DateOctober 31, 2005
Last NPPES UpdateFebruary 5, 2014
✔ NPI 1528059490 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · A66330
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.
354 SANTA FE DR, Encinitas, CA 92024

Other Identifiers 2

Medicare UPING80784CA
Medicare PINWA66330CCA

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. Sonia N Ahuja 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 ID345276648
PECOS Enrollment IDI20050708000466
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 Reassignments

2

Medicare enrollment records show Sonia Ahuja reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Hospitalist
354 SANTA FE DR
Encinitas, CA 92024
  • Reassigned Medicare billing, California enrollment
  • 92 clinicians in this Medicare group
Same address
General Acute Care Hospital
354 SANTA FE DR
Encinitas, CA 92024
  • Reassigned Medicare billing, California enrollment
  • 1,598 clinicians in this Medicare group

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

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 99310
A follow-up nursing facility visit is a routine check-up that typically lasts about 35 minutes. During this visit, your health status is evaluated, any changes in your condition are noted, and necessary adjustments to your care plan are made. It's an essential part of maintaining your health.
264 services46 patients
Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 99309
A follow-up nursing facility visit per day is a daily check-in by a healthcare professional. This 25-minute visit typically involves monitoring your health progress, addressing any concerns, and adjusting treatment plans as necessary. It's a vital part of ensuring your ongoing wellbeing.
103 services21 patients
Initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more 99306
An initial nursing facility visit is your first meeting with your healthcare team at a nursing facility. Lasting typically 45 minutes, this appointment involves a comprehensive health assessment and the creation of your personalized care plan. It's a crucial step to ensure your health and well-being.
46 services36 patients
Nursing facility discharge management, more than 30 minutes 99316
Nursing facility discharge management over 30 minutes is a comprehensive process where a healthcare team prepares you for leaving the facility. It involves creating a tailored plan, coordinating care, and ensuring a smooth transition to your next care setting.
15 services15 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92024 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

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

Hospital bed, semi-electric (head and foot adjustment), with any type side rails, with mattress E0260
DME-Hospital Beds · category DB000N
1 supplier17 claims17 services$37.59 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 20

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

Occupational Therapist
354 SANTA FE DR
ENCINITAS, CA 92024
Student in an Organized Health Care Education/Training Program
354 SANTA FE DR
ENCINITAS, CA 92024
Obstetrics & Gynecology
354 SANTA FE DR
ENCINITAS, CA 92024
Internal Medicine
354 SANTA FE DR
ENCINITAS, CA 92024
Emergency Medicine
354 SANTA FE DR
ENCINITAS, CA 92024
Internal Medicine
354 SANTA FE DR
ENCINITAS, CA 92024
Emergency Medicine
354 SANTA FE DR
ENCINITAS, CA 92024
Physician Assistant (Medical)
354 SANTA FE DR
ENCINITAS, CA 92024

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 Sonia Ahuja's NPI number?

The NPI number for Sonia Ahuja is 1528059490. It was assigned to this individual provider in the NPPES registry on October 31, 2005.

Where is Sonia Ahuja located?

Sonia Ahuja practices at 354 Santa Fe Dr, Encinitas, CA 92024. The listed phone number is (760) 230-2251.

What is Sonia Ahuja's specialty?

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

Is Sonia Ahuja enrolled in Medicare?

Yes. Sonia Ahuja 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 organizations bill Medicare for Sonia Ahuja's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sonia Ahuja reassigns Medicare benefits to 2 organizations: North County Inpatient Medical Alliance, A Medical Group, Inc (Encinitas, CA) and Scripps Health (Encinitas, CA). Each 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 Sonia Ahuja'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 Sonia Ahuja was last updated on February 5, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.