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

CHRISTIAAN P HALLMAN M.D.
NPI 1154313732
Dermatology in Pasadena, CA

Active since August 18, 2005PECOS Enrolled
800 FAIRMOUNT AVE, SUITE 310, PASADENA, CA 91105(626) 795-2007(626) 795-2012 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Christiaan P Hallman M.d. NPPES

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

CHRISTIAAN P HALLMAN M.D. (NPI 1154313732) is an individual dermatology provider in Pasadena, California, licensed in California (A54658) and active in the NPI registry since August 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1154313732
Entity TypeIndividualMale
Primary Taxonomy207N00000X
Provider Legal NameCHRISTIAAN P HALLMANCredential: M.D.
Location Address800 FAIRMOUNT AVE, SUITE 310Pasadena, CA 91105-3150
Mailing Address800 Fairmount Ave, Suite 310Pasadena, CA 91105-3150 · (626) 795-2007 · Fax (626) 795-2012
Phone(626) 795-2007
Fax(626) 795-2012
Sole ProprietorNo
Enumeration DateAugust 18, 2005
Last NPPES UpdateJuly 13, 2026
✔ NPI 1154313732 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDermatologyAllopathic & Osteopathic Physicians
Taxonomy Code207N00000X
License✔ Licensed in CA · A54658
Definition
A dermatologist is trained to diagnose and treat pediatric and adult patients with benign and malignant disorders of the skin, mouth, external genitalia, hair and nails, as well as a number of sexually transmitted diseases. The dermatologist has had additional training and experience in the diagnosis and treatment of skin cancers, melanomas, moles and other tumors of the skin, the management of contact dermatitis and other allergic and nonallergic skin disorders, and in the recognition of the skin manifestations of systemic (including internal malignancy) and infectious diseases. Dermatologists have special training in dermatopathology and in the surgical techniques used in dermatology. They also have expertise in the management of cosmetic disorders of the skin such as hair loss and scars and the skin changes associated with aging.
800 FAIRMOUNT AVE, Pasadena, CA 91105
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Mountain Health CO-OP.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)

Christiaan P Hallman M.d. 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.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

New patient office or other outpatient visit with straightforward medical decision making, if using time, 15 minutes or more 99202
This service involves an initial visit to the doctor's office or other outpatient setting. It typically lasts between 15-29 minutes. The doctor will review your medical history, conduct a physical examination, and discuss your health concerns. It's a chance to establish your health baseline and address any immediate medical issues.
33 services33 patients
Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212
This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.
23 services17 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91105 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
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
Established Patient
$77.96 typical visit price
range $20.84 – $153.61
Typical copayment $19.49 (range $5.21 – $38.40)
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.

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. RUBY BATIN M.D.
Pediatrics
800 FAIRMOUNT AVE, STE 110
PASADENA, CA 91105
Los Angeles County (626) 795-7051
DR. JASON REGINALD SPEARS D.D.S.
Dentist
800 FAIRMOUNT AVE, SUITE 203
PASADENA, CA 91105
Los Angeles County (626) 792-1344
MAGDALENA C ARENAS MD
Internal Medicine (Pulmonary Disease)
800 FAIRMOUNT AVE
PASADENA, CA 91105
Los Angeles County (626) 449-1199
MARK POWELL MD
Pediatrics
800 FAIRMOUNT AVE, SUITE 415
PASADENA, CA 91105
Los Angeles County (626) 449-8440
MICHAEL PAUL MILLER, MD, INC.
Ophthalmology
800 FAIRMOUNT AVE, SUITE 101
PASADENA, CA 91105
Los Angeles County (626) 585-8700
LISA P. URIBE, M.D., INC.
Internal Medicine
800 FAIRMOUNT AVE, SUITE 210
PASADENA, CA 91105
Los Angeles County (626) 243-2221
MELINDA MEDEIROS NP
Nurse Practitioner (Acute Care)
800 FAIRMOUNT AVE, SUITE 220
PASADENA, CA 91105
Los Angeles County (626) 486-0181
GLENN SCHLUNDT MD
Specialist
800 FAIRMOUNT AVE, SUITE 415
PASADENA, CA 91105
Los Angeles County (626) 449-8440

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 Christiaan Hallman's NPI number?

The NPI number for Christiaan Hallman is 1154313732. It was assigned to this individual provider in the NPPES registry on August 18, 2005.

Where is Christiaan Hallman located?

Christiaan Hallman practices at 800 Fairmount Ave Suite 310, Pasadena, CA 91105. The listed phone number is (626) 795-2007.

What is Christiaan Hallman's specialty?

The primary specialty registered for this NPI is Dermatology with taxonomy code 207N00000X.

Is Christiaan Hallman enrolled in Medicare?

Yes. Christiaan Hallman is registered in the Medicare PECOS enrollment system.

What insurance does Christiaan Hallman accept?

Health plans from Mountain Health CO-OP list Christiaan Hallman 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 Christiaan Hallman was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 34 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.