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CHRISTINA LAHTI BLUM MD
NPI 1972845402
Internal Medicine - Nephrology in Bethesda, MD

Active since March 22, 2013PECOS Enrolled
8901 ROCKVILLE PIKE, BETHESDA, MD 20889(301) 295-4331 Get Directions Write a Review

NPPES record last updated: November 20, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Nov 20, 2025, Jul 9, 2024, Aug 17, 2023 (3 updates tracked since 2023).

About Christina Lahti Blum Md NPPES

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

CHRISTINA LAHTI BLUM MD (NPI 1972845402) is an individual nephrology provider in Bethesda, Maryland, licensed in California (133943) and active in the NPI registry since March 2013. She is enrolled in Medicare PECOS and maintains a secondary practice location in San Diego.

NPPES Registry Identity

NPI1972845402
Entity TypeIndividualFemale
Primary Taxonomy207RN0300X
Provider Legal NameCHRISTINA LAHTI BLUMCredential: MD
Location Address8901 ROCKVILLE PIKEBethesda, MD 20889-0001
Mailing Address8901 Rockville PikeBethesda, MD 20889-0001
Phone(301) 295-4331
Sole ProprietorYes
Enumeration DateMarch 22, 2013
Last NPPES UpdateNovember 20, 20253 updates tracked since enumeration
NPPES CertifiedNovember 20, 2025
✔ NPI 1972845402 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians
Taxonomy Code207RN0300X
License✔ Licensed in CA · 133943
Definition
An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.
Also ListedInternal MedicineTaxonomy 207R00000X · License 133943 (CA)
Also ListedInternal Medicine · Critical Care MedicineTaxonomy 207RC0200X · License 133943 (CA)
8901 ROCKVILLE PIKE, Bethesda, MD 20889
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Secondary Practice Location 1

Location 1Naval Medical Center San Diego, 34800 Bob Wilson Dr.San Diego, CA 92134-0001 · Phone (703) 855-3104

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Christina Lahti Blum Md 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20889 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
$147.85 typical visit price
range $65.18 – $194.86
Typical copayment $36.96 (range $16.29 – $48.71)
Most-billed visit code 99204
Established Patient
$113.72 typical visit price
range $21.40 – $158.88
Typical copayment $28.43 (range $5.35 – $39.72)
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. LIESL SHOCKLEY GRENIER M.D.
Dermatology (Dermatopathology)
8901 ROCKVILLE PIKE
BETHESDA, MD 20889
Montgomery County (301) 295-4000
MEGAN JUDITH LENIHAN MD
Surgery
8901 ROCKVILLE PIKE
BETHESDA, MD 20889
Montgomery County (301) 295-4000
JOHNS HOPKINS UNIVERSITY
Internal Medicine (Endocrinology, Diabetes & Metabolism)
8901 ROCKVILLE PIKE
BETHESDA, MD 20889
Montgomery County (301) 400-1382
NATASHA ANTONY MD
Obstetrics & Gynecology
8901 ROCKVILLE PIKE
BETHESDA, MD 20889
Montgomery County (301) 295-4600
MATTHEW NICHOLAS RIBEIRO MD
Anesthesiology
8901 ROCKVILLE PIKE
BETHESDA, MD 20889
Montgomery County (301) 295-4000
MR. ANDREW JOSEPH ULLMANN JR. DO
Internal Medicine
8901 ROCKVILLE PIKE
BETHESDA, MD 20889
Montgomery County (908) 635-6978
BRYCE TANNER GARDNER DMD
Military Health Care Provider
8901 ROCKVILLE PIKE
BETHESDA, MD 20889
Montgomery County (301) 295-4340
PARESH RAM PATEL MD
Emergency Medicine
8901 ROCKVILLE PIKE
BETHESDA, MD 20889
Montgomery County (301) 295-4810

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 Christina Blum's NPI number?

The NPI number for Christina Blum is 1972845402. It was assigned to this individual provider in the NPPES registry on March 22, 2013.

Where is Christina Blum located?

Christina Blum practices at 8901 Rockville Pike, Bethesda, MD 20889. The listed phone number is (301) 295-4331.

What is Christina Blum's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Is Christina Blum enrolled in Medicare?

Yes. Christina Blum is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Christina Blum was last updated on November 20, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.