Charles A. Birbara, M.D.
Specialist · Worcester, MA
Charles A. Birbara, M.D. is a specialist with a practice address in Worcester, Massachusetts, and NPI 1093705410, issued on Oct 26, 2005. Check the license (Massachusetts 32425, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Charles A. Birbara
- Credential
- M.D.
- Primary taxonomy
- Specialist 174400000X
- License number
- 32425 MA
Self-reported in NPPES; status is on the state search - Practice location
- 25 Oak Ave, Worcester, MA 01605
- Phone
- (508) 799-2674
- Enumerated
- Oct 26, 2005
- Record last updated
- Jun 8, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (508) 799-2586
- Medicaid ID
- 2034697 MA
- Medicare enrollment
- Enrolled (PECOS I20060412000092); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest specialist records → All 1,096 in Massachusetts → Look up another NPI →
Also registered at 25 Oak Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Richard Eisenberg, MDOphthalmology Physician1093765455
- Teri Kleinberg, MDOphthalmology Physician1609187046
- Charles Roberts, M.D.Ophthalmology Physician1881884914
- Stuart Weisman, MDOphthalmology Physician1922023787
Verify Charles A. Birbara in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license 32425Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3% more Medicare Part D claims than the average specialist in 2024
1,426 Medicare Part D claims for 220 beneficiaries, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D. 446 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen221 claims
- Methotrexate138 claims
- Gabapentin125 claims
- Tramadol Hcl91 claims
- Prednisone86 claims
- Meloxicam52 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.
The MIPS final score for 2023 (Medicare payment program): 97 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $3,522.23
124 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. The 5,844 providers of this specialty with any payment received $4,760.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Charles A. Birbara among 1,096 specialist records in Massachusetts
Charles A. Birbara, M.D. is one of 1,096 specialist records with a practice address in Massachusetts. 15% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 90% newer
- In a Medicare fileYes · 15% of these records are
- In the CMS Doctors and Clinicians fileYes · 12% of these records are
- Graduated1962 · median 1989 among the 128 with a school on file
- Record last updated2012 · 82% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Specialist providers in Massachusetts
There are 1,096 specialist records in Massachusetts.
All 1,096 in Massachusetts → Every provider in Worcester → Specialist nationwide →
The 8 specialist records with the nearest ZIP codes
- Jael Alhessabi, R.EWorcester, MA 016051336772359
- Robin Allen, LMTWorcester, MA 016051114475787
- Ruth Berman, L.M.T.Worcester, MA 016051033323928
- David Dykhuizen, M.D.Worcester, MA 016051619959202
- Eliza Lundstrom Hallstrom, LMTWorcester, MA 016051962865550
- Richard Ng, MDWorcester, MA 016051780737957
- Lauren WallaceWorcester, MA 016051376336636
- Joel Weiner, M.D.Worcester, MA 016051689661373
Common questions
What is Charles A. Birbara, M.D.'s NPI number?
Charles A. Birbara, M.D.'s National Provider Identifier (NPI) is 1093705410, issued on Oct 26, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Charles A. Birbara, M.D. located?
The NPPES record lists a practice address at 25 Oak Ave, Worcester, MA, 01605. Phone: (508) 799-2674. Providers update this record themselves, so call before visiting.
How can I verify Charles A. Birbara, M.D.'s license?
NPPES lists Massachusetts license number 32425, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Charles A. Birbara, M.D. prescribe under Medicare Part D?
In 2024, Charles A. Birbara, M.D. had 1,426 Medicare Part D claims for 220 beneficiaries; the average among specialist prescribers was 1,380. Part D covers Medicare prescriptions only.
What is Charles A. Birbara, M.D.'s MIPS final score?
The 2023 MIPS final score is 97 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.