Cecilia Pena-Sisto, MD
Internal Medicine Physician · Pittsfield, MA
Cecilia Pena-Sisto, MD is an internal medicine physician with a practice address in Pittsfield, Massachusetts, and NPI 1992942189, issued on Jan 9, 2009. Check the license (Massachusetts 233290, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Cecilia Pena-Sisto
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 233290 MA
Self-reported in NPPES; status is on the state search - Practice location
- 510 North St # 1, Pittsfield, MA 01201
- Phone
- (413) 447-2351
- Enumerated
- Jan 9, 2009
- Record last updated
- Feb 1, 2012 (not updated in 14 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20111215000734); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 6,825 in Massachusetts → Look up another NPI →
Verify Cecilia Pena-Sisto in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 233290Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
40% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,915 Medicare Part D claims for 316 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 85 claims were for opioids.
Most prescribed
- Atorvastatin Calcium163 claims
- Lisinopril90 claims
- Amlodipine Besylate89 claims
- Omeprazole84 claims
- Hydrochlorothiazide79 claims
- Metformin Hcl75 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: $105.04
2 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. The 50,334 providers of this specialty with any payment received $1,303.06 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.
Bills Medicare through one group practice
- Community Health Programs IncPittsfield, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Cecilia Pena-Sisto among 6,825 internal medicine physician records in Massachusetts
Cecilia Pena-Sisto, MD is one of 6,825 internal medicine physician records with a practice address in Massachusetts. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 60% of them.
- NPI issued2009 · 60% of these records are older, 37% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1989 · median 2004 among the 4,103 with a school on file
- Record last updated2012 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
60 internal medicine physician records list a practice address in Pittsfield
They are 60 of the 2,189 NPPES records with a practice address in Pittsfield, and 6,825 internal medicine physician records in Massachusetts.
All 6,825 in Massachusetts → Every provider in Pittsfield → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Kyneret Albert, MDPittsfield, MA 012011457325102
- Gordon Bird, M.D.Pittsfield, MA 012011225021603
- Michael Blackman, MDPittsfield, MA 012011558329177
- Noel Blagg, M.D.Pittsfield, MA 012011952394355
- Rebecca Caine, M.D.Pittsfield, MA 012011730147356
- Charles D'Agostino, MDPittsfield, MA 012011750366381
- Sharon Gittzus, A.N.P.-CPittsfield, MA 012011265494439
- Harry Hartford, M.D.Pittsfield, MA 012011669470456
Common questions
What is Cecilia Pena-Sisto, MD's NPI number?
Cecilia Pena-Sisto, MD's National Provider Identifier (NPI) is 1992942189, issued on Jan 9, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Cecilia Pena-Sisto, MD located?
The NPPES record lists a practice address at 510 North St # 1, Pittsfield, MA, 01201. Phone: (413) 447-2351. Providers update this record themselves, so call before visiting.
How can I verify Cecilia Pena-Sisto, MD's license?
NPPES lists Massachusetts license number 233290, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Cecilia Pena-Sisto, MD prescribe under Medicare Part D?
In 2024, Cecilia Pena-Sisto, MD had 1,915 Medicare Part D claims for 316 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.