Greti Ileana Petersen
- Medicare services, 2024
- 25
- Medicare patients, 2024
- 53
- Part D claims, 2024
- 808
- Publications
- 13
- MIPS score, 2024
- 88
- Practice address
- 625 34th St, Bakersfield, CA 93301
- Practice phone
- Call (883) 678-2781
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Comprehensive Care Center
FQHC - Main Site · Bakersfield, California
Find Greti Petersen'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.
Greti Ileana Petersen is an internist in Bakersfield, California
Greti Petersen practices at Comprehensive Care Center in Bakersfield, California.
Greti Petersen's NPI, 1144252040, was assigned on July 7, 2006. Greti Petersen graduated from University of Craiova Faculty of Medicine in 1992. Greti Petersen holds California license A93553.
- NPI
- 1144252040NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9537163191
- NPI enumeration date
- July 7, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (883) 678-2781
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 60
- Medical school graduation
- 1992
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Greti Ileana Petersen practices at Comprehensive Care Center in Bakersfield, California
Greti Petersen's primary practice is Comprehensive Care Center, at 625 34th St, Bakersfield, CA 93301 in Kern County. The practice phone is (883) 678-2781.
- Comprehensive Care Center625 34th St, Bakersfield, CA 93301 · Kern CountyPhone(883) 678-2781
Source: Dmand AI Affiliation Data
Greti Ileana Petersen is affiliated with 2 sites of care and 2 medical groups
Greti Petersen's primary practice is Comprehensive Care Center in Bakersfield, California. Greti Petersen is also affiliated with Adventist Health Bakersfield. The medical group on file is Kern Medical. Dmand AI also links Greti Petersen to 1 more medical group, named with a free account. Greti Petersen's employer is on file too: a community health center (fqhc).
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Greti Ileana Petersen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Greti Petersen practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Comprehensive Care Center | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Greti Ileana Petersen is one of 16,751 internists in California
Internal medicine is Greti Petersen's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Greti Petersen is board certified in internal medicine by the American Board of Internal Medicine. Greti Petersen is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Clinical focus
Dmand AI lists acute diabetes, acute respiratory failure, anemia, arthritis, chronic diabetes, chronic hypertension, cold sores or genital herpes and coronary artery disease among the conditions Greti Petersen treats.
Internists near Greti Petersen
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
Greti Ileana Petersen billed Medicare for 25 services in 2024
CMS data shows 25 Medicare services from Greti Petersen across 1 procedure code in 2024, all of them office visits, for 53 Medicare patients. Medicare paid $2,400 for them. Every service was in an office.
Greti Petersen's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2972024: 2592%
Greti Petersen compared with the California median for internists, 2024
- Greti Petersen
- California median
- Medicare services
- 25vs 36193% below
- Medicare patients
- 53vs 15165% below
- Part D claims
- 473vs 42112% above
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Greti Petersen's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Greti Petersen?
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Greti Ileana Petersen treated 53 Medicare patients in 2024, average age 71
CMS counts 53 Medicare patients who saw Greti Petersen in 2024. The largest group is 65 to 74, with 26 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 58% are also on Medicaid. Their average risk score is 1.67, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Greti Petersen's median patient age at 52, with 62% women.
Greti Petersen's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Greti Petersen's Medicare patients by sex, 2024
- Women3566%
- Men1834%
Chronic conditions among Greti Petersen's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis49%
- Diabetes45%
- Ischemic heart disease40%
- Chronic kidney disease34%
- Anxiety28%
- Tobacco use26%
Share of Medicare patients with each condition. A patient can have several.
Greti Petersen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 52
Patient panel by sex, all payers
- Women62%
- Men37%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Greti Ileana Petersen wrote 808 Medicare Part D claims in 2024
In 2024, Greti Petersen wrote 808 Medicare Part D claims for 151 patients. 85% of them were for generic drugs. CMS names the drug for 473 of them, across 18 drugs with 11 or more claims each, at $13,631 in total drug cost. In 2023, CMS named 397 claims across 18 drugs.
Greti Petersen's Part D claims by kind of drug, 2024
- Generic688 claims85%
- Brand-name and other120 claims15%
Greti Petersen'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 Greti Petersen's Part D claims, 2024
- Antibiotics3%22 of 808 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: 3972024: 47319%
Drugs named by CMS: 18 in 2024, 18 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
Greti Ileana Petersen scored 88 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 88 out of 100 for Greti Petersen for performance year 2024, reported as part of a group. Greti Petersen accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Greti Petersen's MIPS scores, performance year 2024
- 88of 100Final score
- 47.7of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 82of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Greti Ileana Petersen has 13 publications on record
Dmand AI links 13 papers to Greti Petersen, published from 2015 to 2022. The most frequent topics are Lymphohistiocytosis, Hemophagocytic and Endocarditis, Bacterial. Greti Petersen has published most often in J Investig Med High Impact Case Rep. Greti Petersen's most frequent co-authors are Everardo Cobos, MD, Roopam Jariwal, MD and Tushar Bajaj, MD.
Greti Petersen's papers by year, 2015 to 2022
Topics Greti Petersen writes about most
- Lymphohistiocytosis, Hemophagocytic
- Endocarditis, Bacterial
Greti Petersen's most frequent co-authors
- Everardo Cobos, MD5 shared papers
- Roopam Jariwal, MD3 shared papers
- Tushar Bajaj, MD2 shared papers
Recent publications by Greti Petersen
J Investig Med High Impact Case Rep
J Investig Med High Impact Case Rep
J Investig Med High Impact Case Rep
See who Greti Petersen researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Greti Petersen works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Greti Ileana Petersen received $2,858 in industry payments from 2016 to 2025
CMS Open Payments shows 150 general payments to Greti Petersen from 29 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 97% of the total. Astellas Pharma US Inc paid the most, $450.
General payments to Greti Petersen by program year, 2016 to 2025
General payments to Greti Petersen by kind, 2016 to 2025
- Food and beverage$2,77897%
- Education$803%
Companies that paid Greti Petersen the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Greti Ileana Petersen graduated from University of Craiova Faculty of Medicine
Greti Petersen graduated from University of Craiova Faculty of Medicine in 1992. Greti Petersen is a member of AAIM and ACP.
- Medical school
- Board certified in internal medicine
- Board certified in obesity medicine
Source: Dmand AI Professional Profile Data
Greti Ileana Petersen accepts plans from 8 insurance carriers
Greti Petersen is in network with 8 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Blue Cross Blue Shield of Michigan
- Blue Cross Blue Shield of Massachusetts
- Regence Health Plans
- CMS Medicare
- Humana
- Molina
Plan types Greti Petersen accepts, by number of carriers
- Medicare7
- PPO5
- HMO4
- POS3
- EPO2
Source: Dmand AI Insurance Network Data
Sources for Greti Ileana Petersen'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 services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| 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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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 Greti Ileana Petersen
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Greti Ileana Petersen's NPI number?
Greti Ileana Petersen's NPI number is 1144252040. It was assigned on July 7, 2006, and it is active in the NPI Registry.
What does Greti Ileana Petersen specialize in?
Greti Ileana Petersen is an internist in Bakersfield, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Greti Ileana Petersen practice?
Greti Petersen practices at 625 34th St, Bakersfield, CA 93301. Greti Petersen's primary practice is Comprehensive Care Center in Bakersfield, California. Dmand AI also links Greti Petersen to 1 medical group.
What is Greti Ileana Petersen's office phone number?
The practice phone on file for Greti Petersen is (883) 678-2781.
What is Greti Ileana Petersen's medical license number?
Greti Petersen holds California license A93553.
Which hospitals is Greti Ileana Petersen affiliated with?
Greti Petersen is affiliated with Adventist Health Bakersfield.
What medical group is Greti Ileana Petersen part of?
Greti Petersen is linked to Kern Medical. Dmand AI links Greti Petersen to 1 more medical group.
Does Greti Ileana Petersen accept Medicare?
Yes. CMS data shows Greti Petersen billed Medicare for 25 services in 2024, and Greti Petersen accepts Medicare assignment.
What is Greti Ileana Petersen's MIPS score?
Greti Petersen's MIPS final score for performance year 2024 is 88 out of 100, reported as part of a group.
How many Medicare patients does Greti Ileana Petersen see?
CMS counts 53 Medicare patients who saw Greti Petersen in 2024, with an average age of 71.
Show 9 more questionsShow fewer questions
Is Greti Ileana Petersen board certified?
Yes. Greti Petersen is board certified in internal medicine by the American Board of Internal Medicine.
What services does Greti Ileana Petersen bill to Medicare?
In 2024, Greti Petersen's most billed Medicare services were office visit, established patient (99214).
Where did Greti Ileana Petersen go to medical school?
Greti Petersen graduated from University of Craiova Faculty of Medicine in 1992.
What drugs does Greti Ileana Petersen prescribe most?
In 2024 Medicare Part D data, Greti Petersen's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Levothyroxine Sodium.
Has Greti Ileana Petersen received payments from drug or device companies?
CMS Open Payments shows $2,858 in general payments to Greti Petersen from 29 companies from 2016 to 2025. The largest total came from Astellas Pharma US Inc.
How long has Greti Ileana Petersen been practicing?
Greti Petersen graduated from medical school in 1992, 34 years ago.
Does Greti Ileana Petersen do research?
Dmand AI links 13 publications to Greti Petersen, published from 2015 to 2022.
Who does Greti Ileana Petersen publish with?
Greti Petersen's most frequent co-authors are Everardo Cobos, MD (5 shared papers), Roopam Jariwal, MD (3 shared papers) and Tushar Bajaj, MD (2 shared papers).
What insurance does Greti Ileana Petersen accept?
Greti Petersen is in network with 8 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.
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