Nathan Singer, M.D.
Interventional Pain Medicine Physician · Santa Maria, CA
Nathan Singer, M.D. is an interventional pain medicine physician with a practice address in Santa Maria, California, and NPI 1114108016, issued on Nov 19, 2007. Check the license (California A48173, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Nathan Singer
- Credential
- M.D.
- Primary taxonomy
- Interventional Pain Medicine Physician 208VP0014X
- License number
- A48173 CA
Self-reported in NPPES; status is on the state search - Practice location
- 821 E Chapel St Ste 204, Santa Maria, CA 93454
- Phone
- (805) 922-0760
- Enumerated
- Nov 19, 2007
- Record last updated
- Dec 30, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (805) 922-1037
- Medicaid ID
- 00A481730 CA
- Medicare enrollment
- Enrolled (PECOS I20091119000551); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest interventional pain medicine physician records → All 219 in California → Look up another NPI →
Verify Nathan Singer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A48173Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.0 times the Medicare Part D claims of the average interventional pain medicine physician in 2024
4,637 Medicare Part D claims for 219 beneficiaries, against an average of 2,306 among the 2,100 providers of this specialty who prescribed in Part D. 2,858 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen555 claims
- Oxycodone Hcl521 claims
- Morphine Sulfate Er487 claims
- Oxycodone-Acetaminophen319 claims
- Hydromorphone Hcl277 claims
- Gabapentin237 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): 0 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: $171.26
2 payments; by number, the most common kind was food and beverage; the largest payer was Curonix LLC. The 1,966 providers of this specialty with any payment received $3,889.53 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.
Nathan Singer among 219 interventional pain medicine physician records in California
Nathan Singer, M.D. is one of 219 interventional pain medicine physician records with a practice address in California. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 45% of them.
- NPI issued2007 · 45% of these records are older, 42% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 76% of these records are
- Graduated1984 · median 2003 among the 167 with a school on file
- Record last updated2021 · 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 208VP0014X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Interventional Pain Medicine Physician providers in California
There are 219 interventional pain medicine physician records in California.
All 219 in California → Every provider in Santa Maria → Interventional Pain Medicine Physician nationwide →
The 8 interventional pain medicine physician records with the nearest ZIP codes
- James MaseSanta Maria, CA 934541972536688
- Denise Rubino, MDLompoc, CA 934361912145533
- Schuyler Rockwood, DOSan Luis Obispo, CA 934051841879079
- Rohit ChoudharyPalmdale, CA 935511033505607
- Kevin Kohan, D.O.Palmdale, CA 935511487776746
- Jay Lee, DOClovis, CA 936111255795597
- Jonathan Grossman, MDVisalia, CA 932911225242332
- Elizabeth Ngo, D.O.Visalia, CA 932771053605618
Common questions
What is Nathan Singer, M.D.'s NPI number?
Nathan Singer, M.D.'s National Provider Identifier (NPI) is 1114108016, issued on Nov 19, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Nathan Singer, M.D. located?
The NPPES record lists a practice address at 821 E Chapel St Ste 204, Santa Maria, CA, 93454. Phone: (805) 922-0760. Providers update this record themselves, so call before visiting.
How can I verify Nathan Singer, M.D.'s license?
NPPES lists California license number A48173, 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 Nathan Singer, M.D. prescribe under Medicare Part D?
In 2024, Nathan Singer, M.D. had 4,637 Medicare Part D claims for 219 beneficiaries; the average among interventional pain medicine physician prescribers was 2,306. Part D covers Medicare prescriptions only.
What is Nathan Singer, M.D.'s MIPS final score?
The 2023 MIPS final score is 0 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.