Nils Thomas Ahlberg, MD
Anesthesiology Physician · San Francisco, CA
Nils Thomas Ahlberg, MD is an anesthesiology physician with a practice address in San Francisco, California, and NPI 1831149400, issued on May 12, 2006. Check the license (California A36935, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Nils Thomas Ahlberg
- Credential
- MD
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- A36935 CA
Self-reported in NPPES; status is on the state search - Practice location
- 900 Hyde St, San Francisco, CA 94109
- Phone
- (415) 353-6000
- Enumerated
- May 12, 2006
- Record last updated
- Jul 13, 2026
- Medicaid ID
- 00A369350 CA
- Medicare enrollment
- Enrolled (PECOS I20090406000437); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 900 Hyde St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Elsa Burger, LCSWClinical Social Worker1407149131
- Hyesoo ChaePharmacist1639090129
Verify Nils Thomas Ahlberg in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A36935Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $45.06
2 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. The 17,774 providers of this specialty with any payment received $669.59 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
- Anesthesiologists Medical Group OF San Francisco Inc.San Francisco, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
499 anesthesiology physician records list a practice address in San Francisco
They are 499 of the 38,143 NPPES records with a practice address in San Francisco, and 7,571 anesthesiology physician records in California.
All 499 in San Francisco → All 7,571 in California → Every provider in San Francisco →
Other anesthesiology physician records in California
- Alison A'Court, MDSan Diego, CA1912218199
- Elma Abad-Pelsang, MDDel Mar, CA1689611923
- Rolando Abada, M.D.San Diego, CA1952319071
- Maher Abadir, MDTurlock, CA1669491718
- Jerry Abajian, M.D.Napa, CA1851336218
- Carolyn AbbasiLoma Linda, CA1811287311
- Christine Abboud, D.O.Walnut Creek, CA1174901508
- Steven Abboud, MDPalo Alto, CA1619364908
- Therese Abboud, M.D.Coronado, CA1003112913
- Mohammed Abdel Rahim, M.B.CH.BNewport Beach, CA1255520854
Common questions
What is Nils Thomas Ahlberg, MD's NPI number?
Nils Thomas Ahlberg, MD's National Provider Identifier (NPI) is 1831149400, issued on May 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Nils Thomas Ahlberg, MD located?
The NPPES record lists a practice address at 900 Hyde St, San Francisco, CA, 94109. Phone: (415) 353-6000. Providers update this record themselves, so call before visiting.
How can I verify Nils Thomas Ahlberg, MD's license?
NPPES lists California license number A36935, 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.
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.