Christien Pena, MD
Emergency Medicine Physician · Phoenix, AZ
Christien Pena, MD is an emergency medicine physician with a practice address in Phoenix, Arizona, and NPI 1780263228, issued on Apr 2, 2021. Check the license (Arizona 75645, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Christien Pena
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- 75645 AZ
036170588 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1111 E Mcdowell RD, Phoenix, AZ 85006
- Phone
- (602) 839-2000
- Enumerated
- Apr 2, 2021
- Record last updated
- Feb 5, 2025
- Medicare enrollment
- Enrolled (PECOS I20250319002076); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,494 in Arizona → Look up another NPI →
Also registered at 1111 E Mcdowell RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Christien Pena in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 75645Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
56% fewer Medicare Part D claims than the average emergency medicine physician in 2024
99 Medicare Part D claims for 80 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
Most prescribed
- Methocarbamol15 claims
- Naproxen11 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: $191.33
1 payment: food and beverage; the largest payer was Inari Medical, Inc. The 12,335 providers of this specialty with any payment received $953.79 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.
Bills Medicare through 2 group practices
- Emergency Professional Services PCPhoenix, AZ
- Sierra Estrellas Emergency Physicians LLCYuma, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Christien Pena among 1,494 emergency medicine physician records in Arizona
Christien Pena, MD is one of 1,494 emergency medicine physician records with a practice address in Arizona. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 84% of them.
- NPI issued2021 · 84% of these records are older, 11% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 55% of these records are
- Graduated2021 · median 2014 among the 828 with a school on file
- Record last updated2025 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
394 emergency medicine physician records list a practice address in Phoenix
They are 394 of the 31,399 NPPES records with a practice address in Phoenix, and 1,494 emergency medicine physician records in Arizona.
All 1,494 in Arizona → Every provider in Phoenix → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Michael Bergman, MDPhoenix, AZ 850061770504292
- Moneesh Bhow, M.DPhoenix, AZ 850061215986096
- Andrzej Dmowski, MDPhoenix, AZ 850061518960996
- Robert Leigh, MDPhoenix, AZ 850061568483139
- Melissa Ludwig, MDPhoenix, AZ 850061750302352
- Alan Molk, MDPhoenix, AZ 850061134133580
- Ayrn O'Connor, M.D.Phoenix, AZ 850061194785063
- Robert Porter, DOPhoenix, AZ 850061275561565
Common questions
What is Christien Pena, MD's NPI number?
Christien Pena, MD's National Provider Identifier (NPI) is 1780263228, issued on Apr 2, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Christien Pena, MD located?
The NPPES record lists a practice address at 1111 E Mcdowell RD, Phoenix, AZ, 85006. Phone: (602) 839-2000. Providers update this record themselves, so call before visiting.
How can I verify Christien Pena, MD's license?
NPPES lists Arizona license number 75645, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Christien Pena, MD prescribe under Medicare Part D?
In 2024, Christien Pena, MD had 99 Medicare Part D claims for 80 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.