1. Home
  2. Directory
  3. California
  4. Big Sur
  5. Nurse Practitioner
  6. NPI Profile

ALISON GREENBERG NP
NPI 1437616448
Nurse Practitioner - Primary Care in Big Sur, CA

Active since February 26, 2019PECOS Enrolled
46896 HIGHWAY 1, BIG SUR, CA 93920(831) 667-2580(831) 667-0184 Get Directions Write a Review

NPPES record last updated: March 12, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Mar 12, 2026, Nov 20, 2025, Feb 26, 2019 (3 updates tracked since 2019).

About Alison Greenberg Np NPPES

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

ALISON GREENBERG NP (NPI 1437616448) is an individual primary care provider in Big Sur, California, licensed in California (95022885) and active in the NPI registry since February 2019. She is enrolled in Medicare PECOS and is a graduate of Georgetown University School Of Medicine (2017).

NPPES Registry Identity

NPI1437616448
Entity TypeIndividualFemale
Primary Taxonomy363LP2300X
Provider Legal NameALISON GREENBERGCredential: NP
Location Address46896 HIGHWAY 1Big Sur, CA 93920-9693
Mailing Address46896 Highway 1Big Sur, CA 93920-9693 · (831) 667-2580 · Fax (831) 667-0184
Phone(831) 667-2580
Fax(831) 667-0184
Sole ProprietorNo
Medical School CMSGeorgetown University School Of MedicineGraduated 2017
Enumeration DateFebruary 26, 2019
Last NPPES UpdateMarch 12, 20263 updates tracked since enumeration
NPPES CertifiedMarch 12, 2026
✔ NPI 1437616448 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Primary CarePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP2300X
License✔ Licensed in CA · 95022885
46896 HIGHWAY 1, Big Sur, CA 93920
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 (PECOS)

Alison Greenberg Np is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID547500654
PECOS Enrollment IDI20260416000075
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 Alison Greenberg reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Big Sur Health Center
Same address
Health Service
46896 HIGHWAY 1
Big Sur, CA 93920
  • Reassigned Medicare billing, California enrollment
  • 5 clinicians in this Medicare group
NPI 1003908484 (831) 667-2580

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 93920 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
$94.44 typical visit price
range $61.69 – $184.30
Typical copayment $23.61 (range $15.42 – $46.07)
Most-billed visit code 99203
Established Patient
$108.04 typical visit price
range $20.34 – $151.02
Typical copayment $27.01 (range $5.08 – $37.75)
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 7

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

BIG SUR HEALTH CENTER
Clinic/Center (Health Service)
46896 HIGHWAY 1
BIG SUR, CA 93920
Monterey County (831) 667-2580
DR. BRITA AXELL BRUEMMER MD
Family Medicine
46896 HIGHWAY 1
BIG SUR, CA 93920
Monterey County (831) 667-2580
DANIELLE MARIE GLAZER FNP
Nurse Practitioner (Primary Care)
46896 HIGHWAY 1
BIG SUR, CA 93920
Monterey County (831) 667-2580
BIG SUR HEALTH CENTER
Clinic/Center (Rural Health)
46896 HIGHWAY 1
BIG SUR, CA 93920
Monterey County (831) 667-2580
DR. MARTA ELIZABETH MEJIA DDS
Dentist
46896 HIGHWAY 1
BIG SUR, CA 93920
Monterey County (831) 667-2580
DR. GREGORY IRVIN WIRTH D.C.
Chiropractor
46896 HIGHWAY 1
BIG SUR, CA 93920
Monterey County (831) 667-2181
MS. ELIZABETH ALICE FRIES PA-C
Physician Assistant (Medical)
46896 HIGHWAY 1
BIG SUR, CA 93920
Monterey County (831) 667-2580

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 Alison Greenberg's NPI number?

The NPI number for Alison Greenberg is 1437616448. It was assigned to this individual provider in the NPPES registry on February 26, 2019.

Where is Alison Greenberg located?

Alison Greenberg practices at 46896 Highway 1, Big Sur, CA 93920. The listed phone number is (831) 667-2580.

What is Alison Greenberg's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Primary Care, with taxonomy code 363LP2300X.

Is Alison Greenberg enrolled in Medicare?

Yes. Alison Greenberg is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Alison Greenberg's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alison Greenberg reassigns Medicare benefits to Big Sur Health Center (Big Sur, 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 Alison Greenberg'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 Alison Greenberg was last updated on March 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.