NPPES file of Aug 9, 2026

Callia Anastacia Twigg, O.D

Optometrist · Severna Park, MD

Callia Anastacia Twigg, O.D is an optometrist with a practice address in Severna Park, Maryland, and NPI 1598441172, issued on Jun 27, 2023. Check the license (Maryland TA2927, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1598441172
Name
Callia Anastacia Twigg
Credential
O.D
Primary taxonomy
Optometrist 152W00000X
License number
TA2927 MD
Self-reported in NPPES; status is on the state search
Practice location
489 Ritchie Hwy Ste 200, Severna Park, MD 21146
Phone
(410) 975-0090
Enumerated
Jun 27, 2023
Record last updated
Nov 4, 2024
Medicare enrollment
Enrolled (PECOS I20230807004011); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 489 Ritchie Hwy Ste 200

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Sara Francomacaro, MDOphthalmology Physician1295230100

Verify Callia Anastacia Twigg in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Maryland board licenses this profession
    Search for license TA2927
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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12% fewer Medicare Part D claims than the average optometrist in 2024

245 Medicare Part D claims for 128 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 56% of claims.

  1. Callia Twigg245
  2. Specialty average277

Most prescribed

  1. Prednisolone Acetate93 claims
  2. Ofloxacin25 claims
  3. Timolol Maleate15 claims
  4. Latanoprost14 claims
  5. Valacyclovir14 claims
  6. Restasis13 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $29.79

1 payment: food and beverage; the largest payer was RxSight Inc. The 34,453 providers of this specialty with any payment received $769.99 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Callia Twigg$29.79
  2. Specialty average$769.99

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Rutzen Eye SpecialistsSeverna Park, MD

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Callia Anastacia Twigg among 924 optometrist records in Maryland

Callia Anastacia Twigg, O.D is one of 924 optometrist records with a practice address in Maryland. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 93% of them.

  • NPI issued2023 · 93% of these records are older, 5% newer
  • In a Medicare fileYes · 72% of these records are
  • In the CMS Doctors and Clinicians fileYes · 56% of these records are
  • Graduated2023 · median 2005 among the 517 with a school on file
  • Record last updated2024 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 152W00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

9 optometrist records list a practice address in Severna Park

They are 9 of the 701 NPPES records with a practice address in Severna Park, and 924 optometrist records in Maryland.

The 8 optometrist records with the nearest ZIP codes

  1. Thomas Brown, ODSeverna Park, MD 211461912566753
  2. Christopher Caldwell, O.D.Severna Park, MD 211461407160377
  3. Gina Frankford, O.D.Severna Park, MD 211461497016695
  4. Mark Henriksen, ODSeverna Park, MD 211461598235749
  5. Noah Linhart, ODSeverna Park, MD 211461316838477
  6. Heather Min, O.D.Severna Park, MD 211461013693910
  7. Shawn Mudd, ODSeverna Park, MD 211461649363946
  8. Barry Tilles, O.D.Severna Park, MD 211461477651248

Common questions

What is Callia Anastacia Twigg, O.D's NPI number?

Callia Anastacia Twigg, O.D's National Provider Identifier (NPI) is 1598441172, issued on Jun 27, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Callia Anastacia Twigg, O.D located?

The NPPES record lists a practice address at 489 Ritchie Hwy Ste 200, Severna Park, MD, 21146. Phone: (410) 975-0090. Providers update this record themselves, so call before visiting.

How can I verify Callia Anastacia Twigg, O.D's license?

NPPES lists Maryland license number TA2927, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.

How much does Callia Anastacia Twigg, O.D prescribe under Medicare Part D?

In 2024, Callia Anastacia Twigg, O.D had 245 Medicare Part D claims for 128 beneficiaries; the average among optometrist prescribers was 277. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.