Megan S. Parker, OD
- Medicare patients, 2024
- 310
- Part D claims, 2024
- 131
- Industry payments
- $172
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 10710 Charter Dr, Columbia, MD 21044
- Practice phone
- Call (410) 772-7345
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Howard County Gastrointestinal Diagnostic Center
Columbia, Maryland
Find Megan Parker'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.
Megan S. Parker is an optometrist in Columbia, Maryland
Megan Parker practices at Howard County Gastrointestinal Diagnostic Center in Columbia, Maryland.
Megan Parker's NPI, 1336189331, was assigned on June 7, 2006. Megan Parker graduated from Pennsylvania College of Optometry in 2001. Megan Parker holds Virginia license 0618001164.
- NPI
- 1336189331NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7416999479
- NPI enumeration date
- June 7, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (410) 772-7345
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 51
- Medical school graduation
- 2001
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Megan S. Parker practices at Howard County Gastrointestinal Diagnostic Center in Columbia, Maryland
Megan Parker's primary practice is Howard County Gastrointestinal Diagnostic Center, at 10710 Charter Dr, Columbia, MD 21044 in Howard County. The practice phone is (410) 772-7345.
- Howard County Gastrointestinal Diagnostic Center10710 Charter Dr, Columbia, MD 21044 · Howard CountyPhone(410) 772-7345
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Megan S. Parker is affiliated with 2 sites of care and 1 medical group
Megan Parker's primary practice is Howard County Gastrointestinal Diagnostic Center in Columbia, Maryland. Dmand AI also links Megan Parker to 1 group practice or clinic and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Megan S. Parker's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Megan Parker practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Howard County Gastrointestinal Diagnostic 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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Megan S. Parker is one of 562 optometrists in Maryland
Optometrist is Megan Parker's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Megan Parker is licensed in Virginia.
Specialties and state licenses
- Optometrist, VirginiaPrimary
Optometrists near Megan Parker
Counts of optometrists 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
Megan S. Parker treated 310 Medicare patients in 2024, average age 75
CMS counts 310 Medicare patients who saw Megan Parker in 2024. The largest group is 65 to 74, with 163 patients. 75% of them have high cholesterol, and 68% have high blood pressure. Their average risk score is 0.90, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Megan Parker's median patient age at 72, with 66% women.
Megan Parker's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Megan Parker's Medicare patients by sex, 2024
- Women18660%
- Men12440%
Chronic conditions among Megan Parker's Medicare patients, 2024
- High cholesterol75%
- High blood pressure68%
- Arthritis45%
- Diabetes27%
- Ischemic heart disease26%
- Anxiety19%
- Cancer15%
- Mood disorders15%
Share of Medicare patients with each condition. A patient can have several.
Megan Parker's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women66%
- Men34%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Megan S. Parker wrote 131 Medicare Part D claims in 2024
In 2024, Megan Parker wrote 131 Medicare Part D claims for 37 patients. 65% of them were for generic drugs.
Megan Parker's Part D claims by kind of drug, 2024
- Generic85 claims65%
- Brand-name46 claims35%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Megan S. Parker ranks in the 45th percentile for cataract surgery in Medicare
Megan Parker accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 20 procedures of cataract surgery by Megan Parker, more than 45% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Megan Parker ranks in Medicare procedure volume
- Cataract surgery
- 45th percentile20 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Megan S. Parker received $172 in industry payments in 2025
CMS Open Payments shows 3 general payments to Megan Parker from 3 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Alcon Laboratories Inc paid the most, $131.
Companies that paid Megan Parker the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Megan S. Parker graduated from Pennsylvania College of Optometry
Megan Parker graduated from Pennsylvania College of Optometry in 2001.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Megan S. Parker'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 Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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 (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)Doctors and Clinicians Utilization Data (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 Megan S. Parker
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Megan S. Parker's NPI number?
Megan S. Parker's NPI number is 1336189331. It was assigned on June 7, 2006, and it is active in the NPI Registry.
What does Megan S. Parker specialize in?
Megan S. Parker is an optometrist in Columbia, Maryland. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Megan S. Parker practice?
Megan Parker practices at 10710 Charter Dr, Columbia, MD 21044. Megan Parker's primary practice is Howard County Gastrointestinal Diagnostic Center in Columbia, Maryland. Dmand AI also links Megan Parker to 1 group practice or clinic and 1 medical group.
What is Megan S. Parker's office phone number?
The practice phone on file for Megan Parker is (410) 772-7345.
What is Megan S. Parker's medical license number?
Megan Parker holds Virginia license 0618001164.
Does Megan S. Parker accept Medicare?
Yes. CMS lists Megan Parker as accepting Medicare assignment.
How many Medicare patients does Megan S. Parker see?
CMS counts 310 Medicare patients who saw Megan Parker in 2024, with an average age of 75.
Where did Megan S. Parker go to medical school?
Megan Parker graduated from Pennsylvania College of Optometry in 2001.
Has Megan S. Parker received payments from drug or device companies?
CMS Open Payments shows $172 in general payments to Megan Parker from 3 companies from 2025 to 2025. The largest total came from Alcon Laboratories Inc.
How long has Megan S. Parker been practicing?
Megan Parker graduated from medical school in 2001, 25 years ago.
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