Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

ALEXANDRA MARIA HAMB MD, MPH
NPI 1316406150
Family Medicine in Watsonville, CA

Q: What is Alexandra Hamb's NPI number?

The NPI number for Alexandra Hamb is 1316406150. It was assigned to this individual provider in the NPPES registry on March 19, 2019.

Q: What is Alexandra Hamb's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Q: When was this NPI record last updated?

The NPPES record for Alexandra Hamb was last updated on October 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 days 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.

Active since March 19, 2019PECOS Enrolled

100/100

CMS Quality Rating

550 S GREEN VALLEY RD, WATSONVILLE, CA 95076(831) 458-7333(831) 458-6999 Get Directions Write a Review

NPPES record last updated: October 28, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Oct 28, 2026, Apr 27, 2021, Mar 19, 2019 (3 updates tracked since 2019).

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About Alexandra Maria Hamb Md, Mph NPPES

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

ALEXANDRA MARIA HAMB MD, MPH (NPI 1316406150) is an individual family medicine provider in Watsonville, California, licensed in California (A178013) and active in the NPI registry since March 2019. She is enrolled in Medicare PECOS and maintains a secondary practice location in Chula Vista.

NPPES Registry Identity

NPI1316406150

Entity TypeIndividualFemale

Primary Taxonomy207Q00000X

Provider Legal NameALEXANDRA MARIA HAMBCredential: MD, MPH

Location Address550 S GREEN VALLEY RDWatsonville, CA 95076-3053

Mailing Address435 H StChula Vista, CA 91910-4307

Phone(831) 458-7333

Fax(831) 458-6999

Sole ProprietorNo

Enumeration DateMarch 19, 2019

Last NPPES UpdateOctober 28, 20263 updates tracked since enumeration

NPPES CertifiedOctober 28, 2026

✔ NPI 1316406150 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207Q00000X

License✔ Licensed in CA · A178013

Definition

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

550 S GREEN VALLEY RD, Watsonville, CA 95076

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Secondary Practice Location 1

Location 1435 H StChula Vista, CA 91910-4307 · Phone (619) 662-4100

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Alexandra Maria Hamb Md, Mph is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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

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

Sutter Bay Medical Foundation

40 mi

Multi-Specialty

795 EL CAMINO REAL
Palo Alto, CA 94301

Reassigned Medicare billing, California enrollment
4,479 clinicians in this Medicare group

NPI 1013950807 (650) 321-4121

Guam Memorial Hospital

General Acute Care Hospital

850 GOVERNOR CARLOS CAMACHO ROAD
Oka Tamuning, GU 96913

Reassigned Medicare billing, Guam enrollment
320 clinicians in this Medicare group

NPI 1366519027 (671) 647-2937

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 95076 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

$96.03 typical visit price

range $62.97 – $186.69

Typical copayment $24.00 (range $15.74 – $46.67)

Most-billed visit code 99203

Established Patient

$109.72 typical visit price

range $21.02 – $153.16

Typical copayment $27.43 (range $5.25 – $38.29)

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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

100/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

92.62

Improvement Activities

Cost

100

Other Providers at the Same Location NPPES 18

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

ANDREA ALHEIT NP

Nurse Practitioner (Family)