Physician Profile
Christiaan P. Hallman, M.D.
Unclaimed ProfileAbout Dr. Hallman
Christiaan P. Hallman, M.D. is a healthcare provider in Pasadena, CA specializing in dermatology. According to Medicare claims data, Christiaan cared for 75 Medicare patients across 96 services. The services billed most often include visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient', new patient office or other outpatient visit with straightforward medical decision making, if using time, 15 minutes or more, and established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more. This provider record is associated with NPI 1154313732.
Factual summary compiled by Guide.md from public records; not written by this provider.
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (626) 795-2007
- Email not available
Practice Locations
800 FAIRMOUNT AVE SUITE 310
Pasadena, CA 91105
Conditions Commonly Evaluated or Treated
Within Dermatology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Acne and follicular disorders
Eczema and inflammatory skin disease
Infections and infestations
Pigment, growths, and benign lesions
Skin cancer
Urticaria, itch, and vascular
Autoimmune and connective tissue
Infections
Rashes & allergy
Skin growths
Procedures & services
Most searched procedures
Diagnostic procedures
Lesion treatment
- Complex skin lesion excision
- Cryotherapy for skin lesions
- Electrodesiccation and curettage
- Incision and drainage of an abscess
Medical dermatology treatment
Cosmetic
Cosmetic and minor surgery
Cosmetic dermatology
Diagnostic
General dermatology
Infections
Medical dermatology
Nails & hair
Skin cancer surgery
Skin growths
Procedures Most Often Billed to Medicare
96 services · 75 patients · 3 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient' | Billing code | G2211 |
40 | As often as other peers in Dermatology |
| New patient office or other outpatient visit with straightforward medical decision making, if using time, 15 minutes or more | Office visit | 99202 |
33 | More often than most peers in Dermatology |
| Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more | Office visit | 99212 |
23 | Less often than most peers in Dermatology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other dermatologists at this location 2
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Common questions
What is Christiaan P. Hallman's specialty?
Christiaan P. Hallman is a dermatologist (skin doctor) in Pasadena, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Dermatology”.
NPI registry
Where can I find Christiaan P. Hallman?
Christiaan P. Hallman is listed at 800 Fairmount Ave Suite 310, Pasadena, CA 91105. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Christiaan P. Hallman?
The number on file is (626) 795-2007. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Christiaan P. Hallman's NPI number?
Christiaan P. Hallman's National Provider Identifier is 1154313732. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
How long has Christiaan P. Hallman been practicing?
Christiaan P. Hallman has 21+ years experience. Registered with an NPI since 2005. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
What is Christiaan P. Hallman known for?
According to Medicare billing data, Christiaan P. Hallman the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Christiaan P. Hallman confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Christiaan P. Hallman. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.