Natalie Christine Spach, MD
Obstetrics & Gynecology Physician · Palo Alto, CA
Natalie Christine Spach, MD is an obstetrics & gynecology physician with a practice address in Palo Alto, California, and NPI 1295470599, issued on May 2, 2022. Check the license (California A189066, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Natalie Christine Spach
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- A189066 CA
Self-reported in NPPES; status is on the state search - Practice location
- 725 Welch RD, Palo Alto, CA 94304
- Phone
- (650) 497-8000
- Enumerated
- May 2, 2022
- Record last updated
- Jun 27, 2026
- Medicare enrollment
- Enrolled (PECOS I20260528004681); may accept Medicare assignment
- Medical or professional school
- North Carolina Medical School, 2022
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 5,088 in California → Look up another NPI →
Also registered at 725 Welch RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Shayda Abadi, NPNurse Practitioner1316745540
- Natasha AbadillaStudent in an Organized Health Care Education/Training Program1194306928
- Alexandra Abbott, MDPediatrics Physician1760018675
- Steven Abboud, MDAnesthesiology Physician1619364908
- Ali Abdelhafiz Abdelsamea, MDPediatrics Physician1699390104
- Alireza Abdollah Shamshirsaz, M.D.Obstetrics & Gynecology Physician1881804235
Verify Natalie Christine Spach in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A189066Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
43% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
94 Medicare Part D claims for 40 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. 26 claims were for opioids.
Most prescribed
- Oxycodone Hcl25 claims
- Ondansetron Hcl20 claims
- Ibuprofen16 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.
Natalie Christine Spach among 5,088 obstetrics & gynecology physician records in California
Natalie Christine Spach, MD is one of 5,088 obstetrics & gynecology physician records with a practice address in California. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 98% of them.
- NPI issued2022 · 98% of these records are older, under 1% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated2022 · median 2004 among the 2,700 with a school on file
- Record last updated2026 · 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 207V00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Physician providers in California
There are 5,088 obstetrics & gynecology physician records in California.
All 5,088 in California → Every provider in Palo Alto → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Alireza Abdollah Shamshirsaz, M.D.Palo Alto, CA 943041881804235
- Erika Balassiano, MDPalo Alto, CA 943041558599928
- Virginia Chan, D.O.Palo Alto, CA 943041134329972
- Edward Cohen, MDPalo Alto, CA 943041003838541
- Lisa Goldthwaite, M.D.Palo Alto, CA 943041457594244
- Betty Kung, MDPalo Alto, CA 943041972675700
- Kathryn Lannin, MDPalo Alto, CA 943041508951583
- Madeleine Lemyre, M.D.Palo Alto, CA 943041831389097
Common questions
What is Natalie Christine Spach, MD's NPI number?
Natalie Christine Spach, MD's National Provider Identifier (NPI) is 1295470599, issued on May 2, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Natalie Christine Spach, MD located?
The NPPES record lists a practice address at 725 Welch RD, Palo Alto, CA, 94304. Phone: (650) 497-8000. Providers update this record themselves, so call before visiting.
How can I verify Natalie Christine Spach, MD's license?
NPPES lists California license number A189066, 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 Natalie Christine Spach, MD prescribe under Medicare Part D?
In 2024, Natalie Christine Spach, MD had 94 Medicare Part D claims for 40 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. 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.