1. Home
  2. Directory
  3. Missouri
  4. Saint Louis
  5. Internal Medicine
  6. NPI Profile

DR. HARRISON DAVID LANCASTER MD
NPI 1902541253
Internal Medicine in Saint Louis, MO

Active since May 02, 2022PECOS Enrolled
1 BARNES JEWISH HOSPITAL PLZ, DIV IM GENERAL MED, SAINT LOUIS, MO 63110(314) 747-3000(314) 996-8436 Get Directions Write a Review

NPPES record last updated: September 18, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Sep 18, 2025, Jun 24, 2025, May 2, 2022 (3 updates tracked since 2022).

About Dr. Harrison David Lancaster Md NPPES

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

DR. HARRISON DAVID LANCASTER MD (NPI 1902541253) is an individual internal medicine provider in Saint Louis, Missouri, licensed in Missouri (2025010768) and active in the NPI registry since May 2022. He is enrolled in Medicare PECOS and is a graduate of University Of South Carolina School Of Medicine, Greenville (2022).

NPPES Registry Identity

NPI1902541253
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. HARRISON DAVID LANCASTERCredential: MD
Location Address1 BARNES JEWISH HOSPITAL PLZ, DIV IM GENERAL MEDSaint Louis, MO 63110-1003
Mailing AddressPo Box 7412011Chicago, IL 60674-2011 · (314) 747-3000 · Fax (314) 996-8436
Phone(314) 747-3000
Fax(314) 996-8436
Sole ProprietorNo
Medical School CMSUniversity Of South Carolina School Of Medicine, GreenvilleGraduated 2022
Enumeration DateMay 2, 2022
Last NPPES UpdateSeptember 18, 20253 updates tracked since enumeration
NPPES CertifiedSeptember 18, 2025
✔ NPI 1902541253 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in MO · 2025010768
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
1 BARNES JEWISH HOSPITAL PLZ, Saint Louis, MO 63110
Open in Google Maps ↗

Other Identifiers 1

Medicaid200112381MO

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Cox HealthPlans.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Harrison David Lancaster Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID1759753684
PECOS Enrollment IDI20250729002610
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63110 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
$128.28 typical visit price
range $55.65 – $169.38
Typical copayment $32.07 (range $13.91 – $42.34)
Most-billed visit code 99204
Established Patient
$98.37 typical visit price
range $17.76 – $137.92
Typical copayment $24.59 (range $4.44 – $34.48)
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 20

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

DR. MARGARET LEIGHTON MCNAIRY MD
Hospitalist
1 BARNES JEWISH HOSPITAL PLZ, DIV IM HOSPITALIST
SAINT LOUIS, MO 63110
St. Louis City (314) 362-1700
ANNA RABINOV ANNA RABINOV
Obstetrics & Gynecology
1 BARNES JEWISH HOSPITAL PLZ
SAINT LOUIS, MO 63110
St. Louis City (314) 747-3000
MRS. MICHELLE MARIE BLOOM ACNP
Nurse Practitioner (Acute Care)
1 BARNES JEWISH HOSPITAL PLZ, DEPT ANESTHESIOLOGY
SAINT LOUIS, MO 63110
St. Louis City (800) 862-9980
DR. FARIS ADAM BAKEER MD
Hospitalist
1 BARNES JEWISH HOSPITAL PLZ, DIV IM HOSPITALIST
SAINT LOUIS, MO 63110
St. Louis City (314) 362-1700
DR. REHAN RAIS MD
Hospitalist
1 BARNES JEWISH HOSPITAL PLZ, DIV IM HOSPITALIST
SAINT LOUIS, MO 63110
St. Louis City (314) 362-1700
DR. RANDY OLIVIER LAINE MD
Hospitalist
1 BARNES JEWISH HOSPITAL PLZ, DIV IM HOSPITALIST
SAINT LOUIS, MO 63110
St. Louis City (314) 362-1700
DR. BRADLEY SETH KUSHNER MD
Surgery
1 BARNES JEWISH HOSPITAL PLZ, DIV SURG VASCULAR
SAINT LOUIS, MO 63110
St. Louis City (314) 273-7373
MS. KELSEY ELISE FOGUS CRNA
Nurse Anesthetist, Certified Registered
1 BARNES JEWISH HOSPITAL PLZ, DEPT ANESTHESIOLOGY
SAINT LOUIS, MO 63110
St. Louis City (800) 862-9980

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 Harrison Lancaster's NPI number?

The NPI number for Harrison Lancaster is 1902541253. It was assigned to this individual provider in the NPPES registry on May 2, 2022.

Where is Harrison Lancaster located?

Harrison Lancaster practices at 1 Barnes Jewish Hospital Plz Div Im General Med, Saint Louis, MO 63110. The listed phone number is (314) 747-3000.

What is Harrison Lancaster's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Harrison Lancaster enrolled in Medicare?

Yes. Harrison Lancaster is registered in the Medicare PECOS enrollment system.

What insurance does Harrison Lancaster accept?

Health plans from Cox HealthPlans list Harrison Lancaster as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Harrison Lancaster was last updated on September 18, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.