Cynthia Lynn Pena, MD
Pain Medicine (Anesthesiology) Physician · Fairfield, CA
Cynthia Lynn Pena, MD is a pain medicine (anesthesiology) physician with a practice address in Fairfield, California, and NPI 1417031717, issued on Oct 24, 2006. Check the license (California A88607, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Cynthia Lynn Pena
- Credential
- MD
- Primary taxonomy
- Pain Medicine (Anesthesiology) Physician 207LP2900X
- License number
- A88607 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1101 B Gale Wilson Blvd, Fairfield, CA 94533
- Phone
- (707) 646-4669
- Enumerated
- Oct 24, 2006
- Record last updated
- Sep 14, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (707) 646-4667
- Medicare enrollment
- Enrolled (PECOS I20061214000252); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest pain medicine (anesthesiology) physician records → All 536 in California → Look up another NPI →
Also registered at 1101 B Gale Wilson Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jared Bunde, RN, PHNRegistered Nurse1629425004
- Annabelle DilemPhysical Therapist1497003677
- David Ehrenfeld, M.D.Emergency Medicine Physician1417051830
- Douglas HintonPhysical Therapist1992115463
- Kelly McMahon, SPSpeech-Language Pathologist1487064903
- Christopher Rumery, M.D.Anesthesiology Physician1073507018
Verify Cynthia Lynn Pena in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A88607Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
52% more Medicare Part D claims than the average pain medicine (anesthesiology) physician in 2024
2,666 Medicare Part D claims for 196 beneficiaries, against an average of 1,750 among the 2,982 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims. 1,237 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen528 claims
- Gabapentin253 claims
- Oxycodone-Acetaminophen242 claims
- Pregabalin232 claims
- Lidocaine144 claims
- Oxycodone Hcl124 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: $117.24
6 payments; by number, the most common kind was food and beverage; the largest payer was Scilex Pharmaceuticals Inc. The 2,789 providers of this specialty with any payment received $3,225.41 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 2 group practices
- Northbay Health Medical FoundationVacaville, CA
- Northbay Physicians Surgery Center, LLCVacaville, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Cynthia Lynn Pena among 536 pain medicine (anesthesiology) physician records in California
Cynthia Lynn Pena, MD is one of 536 pain medicine (anesthesiology) physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 57% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2000 · median 2004 among the 367 with a school on file
- Record last updated2015 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207LP2900X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pain Medicine (Anesthesiology) Physician providers in California
There are 536 pain medicine (anesthesiology) physician records in California.
All 536 in California → Every provider in Fairfield → Pain Medicine (Anesthesiology) Physician nationwide →
The 8 pain medicine (anesthesiology) physician records with the nearest ZIP codes
- Michael Miller, D.O.Travis Afb, CA 945351609309475
- Ryan Young, M.D.Travis Afb, CA 945351255588927
- William Clauson, M.D.Fremont, CA 945361427072560
- Marilee Schuchard, M.D.Fremont, CA 945361629091939
- Colin Fernandes, MDMartinez, CA 945531215911763
- Christina Wang, M.D.Martinez, CA 945531548555014
- Arun Anand, MDBenicia, CA 945101578521050
- Lucas Konovalenko, MDNapa, CA 945581699972679
Common questions
What is Cynthia Lynn Pena, MD's NPI number?
Cynthia Lynn Pena, MD's National Provider Identifier (NPI) is 1417031717, issued on Oct 24, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Cynthia Lynn Pena, MD located?
The NPPES record lists a practice address at 1101 B Gale Wilson Blvd, Fairfield, CA, 94533. Phone: (707) 646-4669. Providers update this record themselves, so call before visiting.
How can I verify Cynthia Lynn Pena, MD's license?
NPPES lists California license number A88607, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Cynthia Lynn Pena, MD prescribe under Medicare Part D?
In 2024, Cynthia Lynn Pena, MD had 2,666 Medicare Part D claims for 196 beneficiaries; the average among pain medicine (anesthesiology) physician prescribers was 1,750. 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.