Christiaan P. Hallman, M.D.
Dermatology Physician · Pasadena, CA
Christiaan P. Hallman, M.D. is a dermatology physician with a practice address in Pasadena, California, and NPI 1154313732, issued on Aug 18, 2005. Check the license (California A54658, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Christiaan P. Hallman
- Credential
- M.D.
- Primary taxonomy
- Dermatology Physician 207N00000X
- License number
- A54658 CA
Self-reported in NPPES; status is on the state search - Practice location
- 800 Fairmount Ave, Pasadena, CA 91105
- Phone
- (626) 795-2007
- Enumerated
- Aug 18, 2005
- Record last updated
- Jul 13, 2026
- Fax
- (626) 795-2012
- Entity
- Type 1 · individual
8 nearest dermatology physician records → All 2,083 in California → Look up another NPI →
Also registered at 800 Fairmount Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Janice Davolio, M.D.Dermatology Physician1972527521
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Verify Christiaan P. Hallman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A54658Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
11% more Medicare Part D claims than the average dermatology physician in 2024
887 Medicare Part D claims for 221 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D.
Most prescribed
- Triamcinolone Acetonide144 claims
- Fluocinonide93 claims
- Cephalexin91 claims
- Clobetasol Propionate81 claims
- Terbinafine Hcl80 claims
- Doxepin Hcl69 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $256.76
8 payments; by number, the most common kind was food and beverage; the largest payer was Genzyme Corporation. The 10,250 providers of this specialty with any payment received $8,544.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Christiaan P. Hallman among 2,083 dermatology physician records in California
Christiaan P. Hallman, M.D. is one of 2,083 dermatology physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 94% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileNo · 70% of these records are
- Record last updated2026 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207N00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Dermatology Physician providers in California
There are 2,083 dermatology physician records in California.
All 2,083 in California → Every provider in Pasadena → Dermatology Physician nationwide →
The 8 dermatology physician records with the nearest ZIP codes
- Heather Butler, MDPasadena, CA 911051417927419
- Tommy Chen, M.D.Pasadena, CA 911051326136854
- Janice Davolio, M.D.Pasadena, CA 911051972527521
- Sara Gaspard, M.D.Pasadena, CA 911051023253473
- Yuri Kim, D.O.Pasadena, CA 911051841606076
- Phillip Lee, M.D.Pasadena, CA 911051578628731
- Taraneh Matin, D.O.Pasadena, CA 911051528508876
- Marion Quinn, MDPasadena, CA 911051902876907
Common questions
What is Christiaan P. Hallman, M.D.'s NPI number?
Christiaan P. Hallman, M.D.'s National Provider Identifier (NPI) is 1154313732, issued on Aug 18, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Christiaan P. Hallman, M.D. located?
The NPPES record lists a practice address at 800 Fairmount Ave, Pasadena, CA, 91105. Phone: (626) 795-2007. Providers update this record themselves, so call before visiting.
How can I verify Christiaan P. Hallman, M.D.'s license?
NPPES lists California license number A54658, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Christiaan P. Hallman, M.D. prescribe under Medicare Part D?
In 2024, Christiaan P. Hallman, M.D. had 887 Medicare Part D claims for 221 beneficiaries; the average among dermatology physician prescribers was 797. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.