AHRESH SAHA
NPI 1811579535
Pathology - Anatomic Pathology & Clinical Pathology in Sacramento, CA

Active since April 22, 2021PECOS EnrolledAccepts Medicare Assignment
4400 V STREET, PATHOLOGY BLDG., SACRAMENTO, CA 95817(916) 734-3331 Get Directions Write a Review

NPPES record last updated: July 31, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Ahresh Saha NPPES

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

AHRESH SAHA (NPI 1811579535) is an individual anatomic pathology & clinical pathology provider in Sacramento, California, licensed in California (23268) and active in the NPI registry since April 2021. He is enrolled in Medicare PECOS and is a graduate of Other (2021).

NPPES Registry Identity

NPI1811579535
Entity TypeIndividualMale
Primary Taxonomy207ZP0102X
Provider Legal NameAHRESH SAHA
Location Address4400 V STREET, PATHOLOGY BLDG.Sacramento, CA 95817
Mailing Address4400 V Street, Pathology Bldg.Sacramento, CA 95817 · (916) 734-3331
Sole ProprietorNo
Medical School CMSOtherGraduated 2021
Enumeration DateApril 22, 2021
Last NPPES UpdateJuly 31, 2025
NPPES CertifiedJuly 31, 2025
✔ NPI 1811579535 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPathology · Anatomic Pathology & Clinical PathologyAllopathic & Osteopathic Physicians
Taxonomy Code207ZP0102X
License✔ Licensed in CA · 23268
Definition
A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.
4400 V STREET, PATHOLOGY BLDG., Sacramento, CA 95817

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

Ahresh Saha 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 ID7517482441
PECOS Enrollment IDI20250423001267
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 Ahresh Saha reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Internal Medicine
1310 W GRANGER AVE
Modesto, CA 95350
  • Reassigned Medicare billing, California enrollment
  • 46 clinicians in this Medicare group
Surgery
222 N PACIFIC COAST HWY STE 2175
El Segundo, CA 90245
  • Reassigned Medicare billing, California enrollment
  • 53 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95817 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
$137.20 typical visit price
range $60.44 – $180.85
Typical copayment $34.30 (range $15.11 – $45.21)
Most-billed visit code 99204
Established Patient
$105.95 typical visit price
range $19.88 – $148.15
Typical copayment $26.48 (range $4.97 – $37.03)
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.

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 Ahresh Saha's NPI number?

The NPI number for Ahresh Saha is 1811579535. It was assigned to this individual provider in the NPPES registry on April 22, 2021.

Where is Ahresh Saha located?

Ahresh Saha practices at 4400 V Street, Pathology Bldg., Sacramento, CA 95817. The listed phone number is (916) 734-3331.

What is Ahresh Saha's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.

Is Ahresh Saha enrolled in Medicare?

Yes. Ahresh Saha 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 Ahresh Saha's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ahresh Saha reassigns Medicare benefits to 2 organizations: Crescent Wound Care Inc (Modesto, CA) and Robert Marriott Medical Corp (El Segundo, 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 Ahresh Saha'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 Ahresh Saha was last updated on July 31, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.