Douglas Ankrom, M.D.
NPI 1558390393 · Urology Physician · Sonora, CA
Enrolled with Medicare as Practitioner - Urology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Douglas Ankrom, M.D. is a Urology Physician provider in Sonora, CA (NPI 1558390393).
Provider details
- NPI number
- 1558390393
- Entity type
- Individual
- Primary specialty
- Urology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- A52517 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
3,723 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Automated Urinalysis Test81003 | 776 | $2 |
| Ultrasound Measurement of Bladder Capacity After Voiding51798 | 754 | $13 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 731 | $137 |
| Insertion of Lower Leg Neurostimulator Electrode64566 | 652 | $129 |
| Electronic Assessment of Bladder Emptying51741 | 547 | $14 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 180 | $96 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tamsulosin Hcl | 613 | 196 |
| Finasteride | 571 | 170 |
| Mirabegronbrand: Myrbetriq | 94 | 36 |
| Testosterone | 47 | — |
| Ciprofloxacin Hcl | 27 | 27 |
| Dutasteride | 26 | — |
| Silodosin | 22 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,493 across 13 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-02
- Last updated
- 2010-02-04
Frequently asked questions
- What is Douglas Ankrom's NPI number?
- Douglas Ankrom's National Provider Identifier (NPI) is 1558390393, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Douglas Ankrom's specialty?
- Douglas Ankrom is listed in the NPPES registry with a primary specialty of Urology Physician (Allopathic & Osteopathic Physicians).
- Where is Douglas Ankrom located?
- Douglas Ankrom's practice location on file with NPPES is 680 Guzzi Ln Ste 205, Sonora, CA 95370-5288.
- What is Douglas Ankrom's phone number?
- The practice phone number listed in the NPPES registry for Douglas Ankrom is (209) 533-3321.
- Does Douglas Ankrom accept Medicare?
- Douglas Ankrom is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Douglas Ankrom's NPI active?
- Yes — Douglas Ankrom's NPI (1558390393) is active in the NPPES registry as of the last update on 2010-02-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.