Dr. Sierra Cihan Germeyan, MD
- Medicare patients, 2024
- 12
- Part D claims, 2024
- 221
- Hospital affiliations
- 2
- Medical group
- 1
- State licenses
- 2
- Practice address
- 501 E Hampden Ave, Englewood, CO 80113
- Practice phone
- Call (303) 788-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Germeyan's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Sierra Cihan Germeyan is an internist in Englewood, Colorado
Dr. Germeyan practices at HCA HealthONE Swedish in Englewood, Colorado, part of HCA Healthcare.
Dr. Germeyan's NPI, 1225599848, was assigned on March 27, 2019. Dr. Germeyan graduated from Indiana University School of Medicine in 2019. Dr. Germeyan holds Colorado license DR.0068398.
- NPI
- 1225599848NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9234467242
- NPI enumeration date
- March 27, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (303) 788-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 33
- Medical school graduation
- 2019
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Sierra Cihan Germeyan practices at HCA HealthONE Swedish in Englewood, Colorado
Dr. Germeyan's primary practice is HCA HealthONE Swedish, at 501 E Hampden Ave, Englewood, CO 80113 in Arapahoe County. The practice phone is (303) 788-5000.
- HCA HealthONE Swedish501 E Hampden Ave, Englewood, CO 80113 · Arapahoe CountyPhone(303) 788-5000
Source: Dmand AI Affiliation Data
Dr. Sierra Cihan Germeyan is affiliated with 2 sites of care and 1 medical group
Dr. Germeyan's primary practice is HCA HealthONE Swedish in Englewood, Colorado, part of HCA Healthcare. Dr. Germeyan is also affiliated with HCA HealthONE Sky Ridge. The medical group on file is Colorado Permanente Medical Group.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Sierra Cihan Germeyan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Germeyan practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| HCA HealthONE Swedish | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Sierra Cihan Germeyan is one of 1,668 internists in Colorado
Internal medicine is Dr. Germeyan's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dmand AI has Dr. Germeyan's licenses on file in 2 states: Colorado and Oregon.
Specialties and state licenses
- Internal medicine, ColoradoPrimary
- Student in an organized health care education/training program, Oregon
Internists near Dr. Germeyan
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Sierra Cihan Germeyan treated 12 Medicare patients in 2024, average age 65
CMS counts 12 Medicare patients who saw Dr. Germeyan in 2024. Their average risk score is 2.18, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Germeyan's median patient age at 69, with 59% women.
Dr. Germeyan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women59%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Sierra Cihan Germeyan wrote 221 Medicare Part D claims in 2024
In 2024, Dr. Germeyan wrote 221 Medicare Part D claims for 115 patients. 81% of them were for generic drugs. CMS names the drug for 31 of them, across 2 drugs with 11 or more claims each, at $4,274 in total drug cost. In 2023, CMS named 47 claims across 3 drugs.
Dr. Germeyan's Part D claims by kind of drug, 2024
- Generic179 claims81%
- Brand-name42 claims19%
Dr. Germeyan's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Germeyan's Part D claims, 2024
- Opioids5%11 of 221 claims
- Antibiotics15%33 of 221 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 472024: 3134%
Drugs named by CMS: 2 in 2024, 3 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Sierra Cihan Germeyan takes part in Medicare
Dr. Germeyan accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Sierra Cihan Germeyan graduated from Indiana University School of Medicine
Dr. Germeyan graduated from Indiana University School of Medicine in 2019.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Sierra Cihan Germeyan's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Sierra Cihan Germeyan
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Sierra Cihan Germeyan's NPI number?
Dr. Sierra Cihan Germeyan's NPI number is 1225599848. It was assigned on March 27, 2019, and it is active in the NPI Registry.
What kind of doctor is Dr. Sierra Cihan Germeyan?
Dr. Sierra Cihan Germeyan is an internist in Englewood, Colorado. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Sierra Cihan Germeyan practice?
Dr. Germeyan practices at 501 E Hampden Ave, Englewood, CO 80113. Dr. Germeyan's primary practice is HCA HealthONE Swedish in Englewood, Colorado, part of HCA Healthcare.
What is Dr. Sierra Cihan Germeyan's office phone number?
The practice phone on file for Dr. Germeyan is (303) 788-5000.
What is Dr. Sierra Cihan Germeyan's medical license number?
Dr. Germeyan holds Colorado license DR.0068398, one of the licenses on file in 2 states.
Which states has Dr. Sierra Cihan Germeyan been licensed in?
Dmand AI has state licenses on file for Dr. Germeyan in Colorado and Oregon.
Which hospitals is Dr. Sierra Cihan Germeyan affiliated with?
Dr. Germeyan practices at HCA HealthONE Swedish in Englewood, Colorado. Dr. Germeyan is also affiliated with HCA HealthONE Sky Ridge.
What medical group is Dr. Sierra Cihan Germeyan part of?
Dr. Germeyan is linked to Colorado Permanente Medical Group.
Does Dr. Sierra Cihan Germeyan accept Medicare?
Yes. CMS lists Dr. Germeyan as accepting Medicare assignment.
How many Medicare patients does Dr. Sierra Cihan Germeyan see?
CMS counts 12 Medicare patients who saw Dr. Germeyan in 2024, with an average age of 65.
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Where did Dr. Sierra Cihan Germeyan go to medical school?
Dr. Germeyan graduated from Indiana University School of Medicine in 2019.
What drugs does Dr. Sierra Cihan Germeyan prescribe most?
In 2024 Medicare Part D data, Dr. Germeyan's most prescribed drugs by claims were Pradaxa and Atorvastatin Calcium.
How long has Dr. Sierra Cihan Germeyan been practicing?
Dr. Germeyan graduated from medical school in 2019, 7 years ago.
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