MR. LUKAS HALL WARREN
NPI 1023896453
Advanced Practice Midwife in San Francisco, CA

Q: What is Lukas Warren's NPI number?

The NPI number for Lukas Warren is 1023896453. It was assigned to this individual provider in the NPPES registry on September 18, 2023.

Q: What is Lukas Warren's specialty?

The primary specialty registered for this NPI is Advanced Practice Midwife with taxonomy code 367A00000X.

Q: When was this NPI record last updated?

The NPPES record for Lukas Warren was last updated on January 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.

Active since September 18, 2023PECOS EnrolledAccepts Medicare Assignment

1036 14TH ST, SAN FRANCISCO, CA 94114(910) 876-2636 Get Directions Write a Review

NPPES record last updated: January 7, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jan 7, 2026, Dec 31, 2025 (2 updates tracked since 2025).

On this page

About Mr. Lukas Hall Warren NPPES

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

MR. LUKAS HALL WARREN (NPI 1023896453) is an individual advanced practice midwife in San Francisco, California, licensed in New York (002361) and active in the NPI registry since September 2023. He is enrolled in Medicare PECOS, maintains a secondary practice location in Bronx, and is a graduate of Other (2023).

NPPES Registry Identity

NPI1023896453

Entity TypeIndividualMale

Primary Taxonomy367A00000X

Provider Legal NameMR. LUKAS HALL WARREN

Location Address1036 14TH STSan Francisco, CA 94114-1242

Mailing Address2649 Strang Blvd Ste 304Yorktown Heights, NY 10598-2938 · (646) 745-6369

Phone(910) 876-2636

Sole ProprietorNo

Medical School CMSOtherGraduated 2023

Enumeration DateSeptember 18, 2023

Last NPPES UpdateJanuary 7, 20262 updates tracked since enumeration

NPPES CertifiedJanuary 7, 2026

✔ NPI 1023896453 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAdvanced Practice MidwifePhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code367A00000X

Licenses✔ Licensed in NY · 002361✔ Licensed in CA · CNM08922

Definition

Advanced practice midwifery encompasses the independent provision of care during pregnancy, childbirth, and the postpartum period; sexual and reproductive health; gynecologic health; and family planning services, including preconception care. Midwives also provide primary care for individuals from adolescence throughout the lifespan as well as care for the healthy newborn during the first 28 days of life. Midwives provide initial and ongoing comprehensive assessment, diagnosis, and treatment. Midwifery care includes health promotion, disease prevention, risk assessment and management, and individualized wellness education and counseling. Source: American College of Nurse-Midwives, www.midwife.org Additional Resources: See the American College of Nurse-Midwives, www.midwife.org, for more information on Certified Nurse-Midwives, Certified Midwives, the American Midwifery Certification Board (AMCB), and licensure.

1036 14TH ST, San Francisco, CA 94114

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Secondary Practice Location 1

Location 12510 Westchester Ave Ste 106Bronx, NY 10461-3585 · Phone (718) 409-5454 · Fax (718) 409-0857

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

Mr. Lukas Hall Warren 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 ID9133646045

PECOS Enrollment IDI20260102002270

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 Lukas Warren reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

County Of San Joaquin

64 mi

General Acute Care Hospital

500 W. HOSPITAL RD.
French Camp, CA 95231

Reassigned Medicare billing, California enrollment
534 clinicians in this Medicare group

NPI 1801830583 (209) 468-6937

San Joaquin Faculty Medical Group

64 mi

Internal Medicine

500 HOSPITAL RD
French Camp, CA 95231

Reassigned Medicare billing, California enrollment
512 clinicians in this Medicare group

NPI 1225063761 (209) 473-6555

Lawrence Medical Associates, PC

2,575 mi

Internal Medicine

2649 STRANG BLVD STE 304
Yorktown Heights, NY 10598

Reassigned Medicare billing, New York enrollment
531 clinicians in this Medicare group

NPI 1023257441 (646) 745-6369

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 94114 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

$84.91 typical visit price

range $23.44 – $166.46

Typical copayment $21.22 (range $5.86 – $41.61)

Most-billed visit code 99213

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 Lukas Warren's NPI number?

The NPI number for Lukas Warren is 1023896453. It was assigned to this individual provider in the NPPES registry on September 18, 2023.

Where is Lukas Warren located?

Lukas Warren practices at 1036 14th St, San Francisco, CA 94114. The listed phone number is (910) 876-2636.

What is Lukas Warren's specialty?

The primary specialty registered for this NPI is Advanced Practice Midwife with taxonomy code 367A00000X.

Is Lukas Warren enrolled in Medicare?

Yes. Lukas Warren 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 Lukas Warren's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Lukas Warren reassigns Medicare benefits to 3 organizations: County Of San Joaquin (French Camp, CA), San Joaquin Faculty Medical Group (French Camp, CA) and Lawrence Medical Associates, PC (Yorktown Heights, NY). 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 Lukas Warren'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 Lukas Warren was last updated on January 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.