Dr. Anna Greka, MD
- Medicare services, 2024
- 49
- Medicare patients, 2024
- 12
- Part D claims, 2022
- 13
- Hospital affiliations
- 2
- Industry payments
- $21,480
- Practice address
- 75 Francis Street, Boston, MA 02115
- Practice phone
- Call (617) 732-5500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Anna Greka is an internist in Boston, Massachusetts
Dr. Greka practices at Brigham and Women's Hospital in Boston, Massachusetts, part of Mass General Brigham.
Dr. Greka's NPI, 1679672596, was assigned on September 21, 2006. Dr. Greka graduated from Harvard Medical School in 2004. Dr. Greka holds Massachusetts license 230247.
- NPI
- 1679672596NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4587714449
- NPI enumeration date
- September 21, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (617) 732-5500
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 48
- Medical school graduation
- 2004
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Anna Greka practices at Brigham and Women's Hospital in Boston, Massachusetts
Dr. Greka's primary practice is Brigham and Women's Hospital, at 75 Francis Street, Boston, MA 02115 in Suffolk County. The practice phone is (617) 732-5500.
- Brigham and Women's Hospital75 Francis Street, Boston, MA 02115 · Suffolk CountyPhone(617) 732-5500
Source: Dmand AI Affiliation Data
Dr. Anna Greka is affiliated with 3 sites of care and 1 medical group
Dr. Greka's primary practice is Brigham and Women's Hospital in Boston, Massachusetts, part of Mass General Brigham. Dr. Greka is also affiliated with Massachusetts General Hospital. The medical group on file is Brigham and Women's Hospital. Dmand AI also links Dr. Greka to 1 more hospital outpatient department, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Anna Greka's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Greka practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Brigham and Women's Hospital | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Anna Greka is one of 5,528 internists in Massachusetts
Internal medicine is Dr. Greka's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Greka is licensed in Massachusetts.
Specialties and state licenses
- Internal medicine, MassachusettsPrimary
Internists near Dr. Greka
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. Anna Greka billed Medicare for 49 services in 2024
CMS data shows 49 Medicare services from Dr. Greka across 1 procedure code in 2024, for 12 Medicare patients. Medicare paid $3,168 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Greka's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 882024: 4944%
Dr. Greka compared with the Massachusetts median for internists, 2024
- Dr. Greka
- Massachusetts median
- Medicare services
- 49vs 43189% below
- Medicare patients
- 12vs 19494% below
- Part D claims
- 13vs 40297% below
Medians across 5,369 internists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Greka'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Greka and other internists in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Anna Greka treated 12 Medicare patients in 2024, average age 70
CMS counts 12 Medicare patients who saw Dr. Greka in 2024. 75% of them have high blood pressure, and 75% have ischemic heart disease. Their average risk score is 5.62, 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. Greka's median patient age at 50, with 25% women.
Chronic conditions among Dr. Greka's Medicare patients, 2024
- High blood pressure75%
- Ischemic heart disease75%
Share of Medicare patients with each condition. A patient can have several.
Dr. Greka's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 50
Patient panel by sex, all payers
- Women25%
- Men75%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Anna Greka wrote 13 Medicare Part D claims in 2022
In 2022, Dr. Greka wrote 13 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $109 in total drug cost. In 2020, CMS named 26 claims across 2 drugs.
Dr. Greka's most prescribed drugs by claims, 2022
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2020 to 2022
- 2020
- 2022
- Claims for drugs CMS names
- 2020: 262022: 1350%
Drugs named by CMS: 1 in 2022, 2 in 2020.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
How Dr. Anna Greka takes part in Medicare
Dr. Greka 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. Anna Greka received $21,480 in industry payments from 2016 to 2023
CMS Open Payments shows 15 general payments to Dr. Greka from 8 drug and device companies from 2016 to 2023. Consulting fees make up the largest share, 89% of the total. Bristol-Myers Squibb Company paid the most, $7,240.
General payments to Dr. Greka by program year, 2016 to 2023
General payments to Dr. Greka by kind, 2016 to 2023
- Consulting fees$19,06389%
- Speaker and faculty fees$1,4117%
- Travel and lodging$8814%
- Food and beverage$1251%
Companies that paid Dr. Greka the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Anna Greka graduated from Harvard Medical School
Dr. Greka graduated from Harvard Medical School in 2004.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Anna Greka'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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (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. Anna Greka
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. Anna Greka's NPI number?
Dr. Anna Greka's NPI number is 1679672596. It was assigned on September 21, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Anna Greka?
Dr. Anna Greka is an internist in Boston, Massachusetts. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Anna Greka practice?
Dr. Greka practices at 75 Francis Street, Boston, MA 02115. Dr. Greka's primary practice is Brigham and Women's Hospital in Boston, Massachusetts, part of Mass General Brigham. Dmand AI also links Dr. Greka to 1 hospital outpatient department.
What is Dr. Anna Greka's office phone number?
The practice phone on file for Dr. Greka is (617) 732-5500.
What is Dr. Anna Greka's medical license number?
Dr. Greka holds Massachusetts license 230247.
Which hospitals is Dr. Anna Greka affiliated with?
Dr. Greka practices at Brigham and Women's Hospital in Boston, Massachusetts. Dr. Greka is also affiliated with Massachusetts General Hospital.
What medical group is Dr. Anna Greka part of?
Dr. Greka is linked to Brigham and Women's Hospital.
Does Dr. Anna Greka accept Medicare?
Yes. CMS data shows Dr. Greka billed Medicare for 49 services in 2024, and Dr. Greka accepts Medicare assignment.
How many Medicare patients does Dr. Anna Greka see?
CMS counts 12 Medicare patients who saw Dr. Greka in 2024, with an average age of 70.
What services does Dr. Anna Greka bill to Medicare?
In 2024, Dr. Greka's most billed Medicare services were hospital inpatient care (99232).
Show 4 more questionsShow fewer questions
Where did Dr. Anna Greka go to medical school?
Dr. Greka graduated from Harvard Medical School in 2004.
What drugs does Dr. Anna Greka prescribe most?
In 2022 Medicare Part D data, Dr. Greka's most prescribed drugs by claims were Lisinopril.
Has Dr. Anna Greka received payments from drug or device companies?
CMS Open Payments shows $21,480 in general payments to Dr. Greka from 8 companies from 2016 to 2023. The largest total came from Bristol-Myers Squibb Company.
How long has Dr. Anna Greka been practicing?
Dr. Greka graduated from medical school in 2004, 22 years ago.
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