Dr. Bertha A. Mera, MD
- Medicare services, 2019
- 1,168
- Part D claims, 2021
- 36
- Hospital affiliations
- 1
- Industry payments
- $1,229
- Medical group
- 1
- Practice address
- One Barnes-Jewish Hospital Plaza, Saint Louis, MO 63110
- Practice phone
- Call (314) 747-3000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Mera's professional email, personal email and mobile number
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Dr. Bertha A. Mera is an internist in Saint Louis, Missouri
Dr. Mera practices at Barnes-Jewish Hospital in Saint Louis, Missouri, part of BJC Health.
Dr. Mera's NPI, 1265486633, was assigned on May 20, 2006. Dr. Mera holds Missouri license 107581.
- NPI
- 1265486633NPI Registry (opens in a new tab)
- NPI enumeration date
- May 20, 2006
- NPI status
- Active
- Practice phone
- (314) 747-3000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Bertha A. Mera practices at 2 locations in Saint Louis, Missouri
Dr. Mera's primary practice is Barnes-Jewish Hospital, at One Barnes-Jewish Hospital Plaza, Saint Louis, MO 63110 in St. Louis City. The practice phone is (314) 747-3000. Dr. Mera also practices at Barnes-Jewish Hospital, 1 Barnes Jewish Hospital Plz, Saint Louis, MO 63110.
- Barnes-Jewish HospitalPrimaryOne Barnes-Jewish Hospital Plaza, Saint Louis, MO 63110 · St. Louis CityPhone(314) 747-3000
- Barnes-Jewish Hospital1 Barnes Jewish Hospital Plz, Saint Louis, MO 63110 · Saint Louis CityPhone(314) 747-3000
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. Bertha A. Mera is affiliated with 1 site of care and 1 medical group
Dr. Mera's primary practice is Barnes-Jewish Hospital in Saint Louis, Missouri, part of BJC Health. The medical group on file is West County Radiological Group.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Bertha A. Mera's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Mera practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Barnes-Jewish Hospital | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across BJC Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Bertha A. Mera is one of 2,114 internists in Missouri
Internal medicine is Dr. Mera's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Mera is licensed in Missouri.
Specialties and state licenses
- Internal medicine, MissouriPrimary
Internists near Dr. Mera
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. Bertha A. Mera billed Medicare for 1,168 services in 2019
CMS data shows 1,168 Medicare services from Dr. Mera across 16 procedure codes in 2019. Medicare paid $65,633 for them. Every service was in an office.
Dr. Mera's Medicare services by type, 2018 to 2019
- 2018
- 2019
- Office and hospital visits
- 2018: 6092019: 5972%
- Tests and treatments
- 2018: 3022019: 26811%
- Other services
- 2018: 1812019: 1873%
- Lab and pathology
- 2018: 512019: 6425%
- Drugs given in the office
- 2018: 752019: 5231%
Dr. Mera compared with the Missouri median for internists, 2019
- Dr. Mera
- Missouri median
- Medicare services
- 1,168vs 5302.2 times
- Part D claims
- 36vs 32589% below
Medians across 2,076 internists in Missouri with Dmand AI profiles that report each measure.
Dr. Mera's most billed Medicare procedure codes, 2019
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 Dr. Mera?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Mera and other internists in Missouri.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Bertha A. Mera's patients have a median age of 58
Across all payers, Dmand AI patient panel data puts Dr. Mera's median patient age at 58, with 52% women.
Dr. Mera's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 58
Patient panel by sex, all payers
- Women52%
- Men48%
Source: Dmand AI Patient Panel Data
Dr. Bertha A. Mera wrote 36 Medicare Part D claims in 2021
In 2021, Dr. Mera wrote 36 Medicare Part D claims. Every claim was for a generic drug. They cover 3 drugs, with $522 in total drug cost. In 2020, CMS named 895 claims across 34 drugs.
Dr. Mera's most prescribed drugs by claims, 2021
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 2021
- 2020
- 2021
- Claims for drugs CMS names
- 2020: 8952021: 3696%
Drugs named by CMS: 3 in 2021, 34 in 2020.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Bertha A. Mera received $1,229 in industry payments from 2016 to 2019
CMS Open Payments shows 47 general payments to Dr. Mera from 15 drug and device companies from 2016 to 2019. Food and beverage make up the largest share, 83% of the total. Astellas Pharma US Inc paid the most, $219.
General payments to Dr. Mera by program year, 2016 to 2019
General payments to Dr. Mera by kind, 2016 to 2019
- Food and beverage$1,01783%
- Education$21217%
Companies that paid Dr. Mera the most, 2016 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Bertha A. Mera'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDmand AI Practice 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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Bertha A. Mera
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. Bertha A. Mera's NPI number?
Dr. Bertha A. Mera's NPI number is 1265486633. It was assigned on May 20, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Bertha A. Mera?
Dr. Bertha A. Mera is an internist in Saint Louis, Missouri. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Bertha A. Mera practice?
Dr. Mera practices at One Barnes-Jewish Hospital Plaza, Saint Louis, MO 63110. Dr. Mera also practices at 1 Barnes Jewish Hospital Plz, Saint Louis, MO 63110. Dr. Mera's primary practice is Barnes-Jewish Hospital in Saint Louis, Missouri, part of BJC Health.
What is Dr. Bertha A. Mera's office phone number?
The practice phone on file for Dr. Mera is (314) 747-3000.
What is Dr. Bertha A. Mera's medical license number?
Dr. Mera holds Missouri license 107581.
Which hospitals is Dr. Bertha A. Mera affiliated with?
Dr. Mera practices at Barnes-Jewish Hospital in Saint Louis, Missouri.
What medical group is Dr. Bertha A. Mera part of?
Dr. Mera is linked to West County Radiological Group.
Does Dr. Bertha A. Mera accept Medicare?
Yes. CMS data shows Dr. Mera billed Medicare for 1,168 services in 2019.
What services does Dr. Bertha A. Mera bill to Medicare?
In 2019, Dr. Mera's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and heart test or procedure (93000).
What drugs does Dr. Bertha A. Mera prescribe most?
In 2021 Medicare Part D data, Dr. Mera's most prescribed drugs by claims were Sertraline HCl, Carvedilol and Spironolactone.
Has Dr. Bertha A. Mera received payments from drug or device companies?
CMS Open Payments shows $1,229 in general payments to Dr. Mera from 15 companies from 2016 to 2019. The largest total came from Astellas Pharma US Inc.
How long has Dr. Bertha A. Mera been practicing?
Dr. Mera's NPI was assigned in 2006.
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