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ALEENA KHAN NP-C
NPI 1508457912
Nurse Practitioner - Family in Walnut Creek, CA

Active since January 28, 2021PECOS EnrolledAccepts Medicare Assignment
500 LENNON LN, WALNUT CREEK, CA 94598(925) 939-9610 Get Directions Write a Review

NPPES record last updated: May 9, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: May 9, 2023, Mar 7, 2022, Jan 29, 2021 (3 updates tracked since 2021).

About Aleena Khan Np-c NPPES

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

ALEENA KHAN NP-C (NPI 1508457912) is an individual family provider in Walnut Creek, California, licensed in California (95016531) and active in the NPI registry since January 2021. She is enrolled in Medicare PECOS and is a graduate of Other (2020).

NPPES Registry Identity

NPI1508457912
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameALEENA KHANCredential: NP-C
Location Address500 LENNON LNWalnut Creek, CA 94598-2415
Mailing Address6601 Owens Dr Ste 135Pleasanton, CA 94588-3356 · (408) 876-3786
Phone(925) 939-9610
Sole ProprietorNo
Medical School CMSOtherGraduated 2020
Enumeration DateJanuary 28, 2021
Last NPPES UpdateMay 9, 20233 updates tracked since enumeration
NPPES CertifiedMay 9, 2023
✔ NPI 1508457912 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in CA · 95016531
500 LENNON LN, Walnut Creek, CA 94598
Open in Google Maps ↗

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

Aleena Khan Np-c 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 ID5193037513
PECOS Enrollment IDI20210224001899
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

5

Medicare enrollment records show Aleena Khan reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Michael P Sherman MD Phd, A Medical Corporation
Same address
Hematology & Oncology
500 LENNON LN
Walnut Creek, CA 94598
  • Reassigned Medicare billing, California enrollment
  • 60 clinicians in this Medicare group
NPI 1831201912 (925) 939-9610
Epic Care
13 mi
Multi-Specialty
4721 DALLAS RANCH RD
Antioch, CA 94531
  • Reassigned Medicare billing, California enrollment
  • 86 clinicians in this Medicare group
NPI 1780107797 (925) 778-0679
Regents Of The University Of California
24 mi
Endocrinology, Diabetes & Metabolism
1600 DIVISADERO ST
San Francisco, CA 94143
  • Reassigned Medicare billing, California enrollment
  • 2,112 clinicians in this Medicare group
NPI 1235322348 (415) 353-9720
University Of California San Francisco
26 mi
Surgery
400 PARNASSUS AVE, MCB 300
San Francisco, CA 94143
  • Reassigned Medicare billing, California enrollment
  • 5,645 clinicians in this Medicare group
NPI 1346329380 (415) 353-2161
Ucsf Medical Group Business Services
26 mi
Internal Medicine
400 PARNASSUS AVE
San Francisco, CA 94122
  • Reassigned Medicare billing, California enrollment
  • 5,544 clinicians in this Medicare group
NPI 1477624104 (415) 353-2808

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 94598 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
$104.51 typical visit price
range $69.00 – $202.35
Typical copayment $26.12 (range $17.25 – $50.58)
Most-billed visit code 99203
Established Patient
$119.48 typical visit price
range $23.44 – $166.46
Typical copayment $29.87 (range $5.86 – $41.61)
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.

Other Providers at the Same Location NPPES 15

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

STEPHANIE MARTHA CHIU NP
Nurse Practitioner
500 LENNON LN
WALNUT CREEK, CA 94598
Contra Costa County (925) 939-9610
ANOUK LILY THOMAS DNP, FNP-BC
Nurse Practitioner (Family)
500 LENNON LN
WALNUT CREEK, CA 94598
Contra Costa County (925) 939-9610
MS. RENSINA TEN HOLT RN
Nurse Practitioner (Family)
500 LENNON LN
WALNUT CREEK, CA 94598
Contra Costa County (925) 939-9610
MICHAEL PAUL SHERMAN M.D., PHD
Internal Medicine (Hematology & Oncology)
500 LENNON LN
WALNUT CREEK, CA 94598
Contra Costa County (925) 939-9610
TRACIE WATSON D.O.
Internal Medicine (Hematology & Oncology)
500 LENNON LN
WALNUT CREEK, CA 94598
Contra Costa County (925) 939-9610
MS. VON HOANG FNP-C
Nurse Practitioner (Family)
500 LENNON LN
WALNUT CREEK, CA 94598
Contra Costa County (925) 939-9610
MS. KATHERINE L SIEU RN, NP
Nurse Practitioner (Adult Health)
500 LENNON LN
WALNUT CREEK, CA 94598
Contra Costa County (925) 939-9610
GAURI BADHWAR SHARMA D.O.
Internal Medicine (Hematology & Oncology)
500 LENNON LN
WALNUT CREEK, CA 94598
Contra Costa County (925) 939-9610

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 Aleena Khan's NPI number?

The NPI number for Aleena Khan is 1508457912. It was assigned to this individual provider in the NPPES registry on January 28, 2021.

Where is Aleena Khan located?

Aleena Khan practices at 500 Lennon Ln, Walnut Creek, CA 94598. The listed phone number is (925) 939-9610.

What is Aleena Khan's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Aleena Khan enrolled in Medicare?

Yes. Aleena Khan 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 Aleena Khan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Aleena Khan reassigns Medicare benefits to 5 organizations: Michael P Sherman MD Phd, A Medical Corporation (Walnut Creek, CA), Epic Care (Antioch, CA), Regents Of The University Of California (San Francisco, CA), University Of California San Francisco (San Francisco, CA) and Ucsf Medical Group Business Services (San Francisco, 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 Aleena Khan'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 Aleena Khan was last updated on May 9, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.