Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Internal Medicine

Kalen L. Jacobson, MD

Sees patients in Houston, TX · Texas

Summary

Dr. Kalen L. Jacobson, MD is an internal medicine doctor at 2130 W Holcombe Blvd, Univ of Tx M D Ande Life Sciences Plaza, Houston, TX 77030. Phone: (713) 592-5433. Accepts Medicare assignment. In 2024, Kalen L. Jacobson had 280 Original Medicare patients and 295 services. NPI 1902999048. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 2130 W Holcombe Blvd, Univ of Tx M D Ande Life Sciences Plaza, Houston, TX 77030 · Directions
  • Phone: (713) 592‑5433
  • Medicare: Accepts Medicare assignment
  • Group practice: Physicians Referral Service
  • Medical school: University Of Texas Medical School At San Antonio · graduated 1987 (39 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Kalen L. Jacobson, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Kalen L. Jacobson accept Medicare assignment?
Yes. Medicare's clinician data says Kalen L. Jacobson accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Kalen L. Jacobson see?
In 2024, CMS data shows 280 Original Medicare patients and 295 services for Kalen L. Jacobson. This counts Original Medicare only and measures volume, not quality.
What is Kalen L. Jacobson's NPI number?
1902999048. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Kalen L. Jacobson, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients280
Services billed to Medicare295
Different services or procedures5
Participating Medicare providerYes
Average age of these patients71

Most frequent services

  1. Emergency department visit with high level of medical decision making (99285)219 services
  2. Emergency department visit with moderate level of medical decision making (99284)53 services
  3. Emergency department visit with low level of medical decision making (99283)17 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol71%
  • Arthritis53%
  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)52%
  • Anxiety49%
  • Diabetes42%

Practice locations

Addresses where Kalen L. Jacobson is enrolled with Medicare (CMS data updated October 2, 2026).

  • 2130 W Holcombe Blvd, Univ of Tx M D Ande Life Sciences PlazaHouston, TX 77030 (713) 592‑5433

Group practices

Medicare enrollment lists Kalen L. Jacobson as a member of this group (CMS data updated October 2, 2026).

  • Physicians Referral Service2,765 clinicians in the group

Specialties

Find other Internal Medicine doctors in Texas →

Other internal medicine doctors in Houston

Clinicians with the same Medicare primary specialty in Houston, TX — not a recommendation.

All internal medicine doctors in Houston →

Other clinicians in Physicians Referral Service

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolUniversity Of Texas Medical School At San Antonio
Graduation year1987 (39 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1902999048
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians