Dr. Carol A. Gerdes, MD
- Medicare services, 2021
- 132
- Part D claims, 2022
- 12
- Industry payments
- $580
- Affiliated sites
- 1
- Insurance carriers
- 4
- Practice address
- 501 S Shore Ctr W Suite D Suite D, Alameda, CA 94501
- Practice phone
- Call (510) 864-0660
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Alameda OB/GYN
Physician office · Alameda, California
Find Dr. Gerdes' professional email, personal email and mobile number
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Dr. Carol A. Gerdes is an OB-GYN in Alameda, California
Dr. Gerdes practices at Alameda OB/GYN in Alameda, California.
Dr. Gerdes' NPI, 1417063306, was assigned on August 22, 2006. Dr. Gerdes graduated from MCP-Hahnemann College of Medicine in 1986. Dr. Gerdes' California license number on file is G62236.
- NPI
- 1417063306NPI Registry (opens in a new tab)
- NPI enumeration date
- August 22, 2006
- NPI status
- Active
- Practice phone
- (510) 864-0660
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 66
- Medical school graduation
- 1986
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Carol A. Gerdes practices at Alameda OB/GYN in Alameda, California
Dr. Gerdes' primary practice is Alameda OB/GYN, at 501 S Shore Ctr W Suite D Suite D, Alameda, CA 94501. The practice phone is (510) 864-0660.
- Alameda OB/GYN501 S Shore Ctr W Suite D Suite D, Alameda, CA 94501Phone(510) 864-0660
Source: Dmand AI Affiliation Data
Dr. Carol A. Gerdes is affiliated with 1 site of care
Dr. Gerdes' primary practice is Alameda OB/GYN in Alameda, California.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Carol A. Gerdes' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gerdes practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Alameda OB/GYN | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Carol A. Gerdes is one of 4,642 OB-GYNs in California
Obstetrics and gynecology is Dr. Gerdes' primary specialty in the NPI Registry, under taxonomy code 207V00000X. Dr. Gerdes has a license on file in California.
Specialties and state licenses
- Obstetrics and gynecology, CaliforniaPrimary
OB-GYNs near Dr. Gerdes
Counts of OB-GYNs 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. Carol A. Gerdes billed Medicare for 132 services in 2021
CMS data shows 132 Medicare services from Dr. Gerdes across 4 procedure codes in 2021. Medicare paid $8,266 for them. Every service was in an office.
Dr. Gerdes' Medicare services by type, 2020 to 2021
- 2020
- 2021
- Other services
- 2020: 562021: 6720%
- Office and hospital visits
- 2020: 632021: 653%
Dr. Gerdes compared with the California median for OB-GYNs, 2021
- Dr. Gerdes
- California median
- Medicare services
- 132vs 582.3 times
- Part D claims
- 12vs 3566% below
Medians across 3,823 OB-GYNs in California with Dmand AI profiles that report each measure.
Dr. Gerdes' most billed Medicare procedure codes, 2021
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. Gerdes and other OB-GYNs in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Carol A. Gerdes' patients have a median age of 58
Across all payers, Dmand AI patient panel data puts Dr. Gerdes' median patient age at 58, with 92% women.
Dr. Gerdes' 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
- Women92%
- Men0%
Source: Dmand AI Patient Panel Data
Dr. Carol A. Gerdes wrote 12 Medicare Part D claims in 2022
In 2022, Dr. Gerdes wrote 12 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $632 in total drug cost. In 2021, CMS named 169 claims across 5 drugs.
Dr. Gerdes' 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, 2021 to 2022
- 2021
- 2022
- Claims for drugs CMS names
- 2021: 1692022: 1293%
Drugs named by CMS: 1 in 2022, 5 in 2021.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Carol A. Gerdes received $580 in industry payments from 2016 to 2021
CMS Open Payments shows 35 general payments to Dr. Gerdes from 11 drug and device companies from 2016 to 2021. Food and beverage make up the largest share, 96% of the total. Pfizer Inc. paid the most, $331.
General payments to Dr. Gerdes by program year, 2016 to 2021
General payments to Dr. Gerdes by kind, 2016 to 2021
- Food and beverage$55696%
- Education$244%
Companies that paid Dr. Gerdes the most, 2016 to 2021
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Carol A. Gerdes graduated from MCP-Hahnemann College of Medicine
Dr. Gerdes graduated from MCP-Hahnemann College of Medicine in 1986.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. Carol A. Gerdes accepts plans from 4 insurance carriers
Dr. Gerdes is in network with 4 carriers, including Blue Cross Blue Shield of Michigan, Aetna and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 4. Check the plan with the practice before a visit.
- Blue Cross Blue Shield of Michigan
- Aetna
- Blue Cross Blue Shield of Massachusetts
- HCSC
Plan types Dr. Gerdes accepts, by number of carriers
- Medicare4
- PPO3
- HMO2
- POS2
Source: Dmand AI Insurance Network Data
Sources for Dr. Carol A. Gerdes'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 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) |
| 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 Dr. Carol A. Gerdes
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. Carol A. Gerdes' NPI number?
Dr. Carol A. Gerdes' NPI number is 1417063306. It was assigned on August 22, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Carol A. Gerdes?
Dr. Carol A. Gerdes is an OB-GYN in Alameda, California. The primary specialty in the NPI Registry is Obstetrics & Gynecology Physician (taxonomy code 207V00000X).
Where does Dr. Carol A. Gerdes practice?
Dr. Gerdes practices at 501 S Shore Ctr W Suite D Suite D, Alameda, CA 94501. Dr. Gerdes' primary practice is Alameda OB/GYN in Alameda, California.
What is Dr. Carol A. Gerdes' office phone number?
The practice phone on file for Dr. Gerdes is (510) 864-0660.
What is Dr. Carol A. Gerdes' medical license number?
Dr. Gerdes' California license number on file is G62236.
Does Dr. Carol A. Gerdes accept Medicare?
Yes. CMS data shows Dr. Gerdes billed Medicare for 132 services in 2021.
What services does Dr. Carol A. Gerdes bill to Medicare?
In 2021, Dr. Gerdes' most billed Medicare services were office visit, established patient (99213), medicare temporary code (Q0091) and medicare service (G0101).
Where did Dr. Carol A. Gerdes go to medical school?
Dr. Gerdes graduated from MCP-Hahnemann College of Medicine in 1986.
What drugs does Dr. Carol A. Gerdes prescribe most?
In 2022 Medicare Part D data, Dr. Gerdes' most prescribed drugs by claims were Estradiol.
Has Dr. Carol A. Gerdes received payments from drug or device companies?
CMS Open Payments shows $580 in general payments to Dr. Gerdes from 11 companies from 2016 to 2021. The largest total came from Pfizer Inc.
How long has Dr. Carol A. Gerdes been practicing?
Dr. Gerdes graduated from medical school in 1986, 40 years ago.
What insurance does Dr. Carol A. Gerdes accept?
Dr. Gerdes is in network with 4 carriers, including Blue Cross Blue Shield of Michigan, Aetna and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 4. Check the plan with the practice before a visit.
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